General Science 200 Questions PDF
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This document contains 200 questions covering key concepts in biology, chemistry, and physics, suitable for secondary school students. The content spans diverse fields from plant and animal biology to organic chemistry and earth science. The paper is designed for students to test their understanding and apply scientific principles.
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GENERAL SCIENCE 200 QUESTIONS 5. Among the methods of asexual reproduction in plants, which option does not fit into this 1. Whose works marked the beginning of the category? modern taxonomy that developed a scheme of...
GENERAL SCIENCE 200 QUESTIONS 5. Among the methods of asexual reproduction in plants, which option does not fit into this 1. Whose works marked the beginning of the category? modern taxonomy that developed a scheme of A. Sporophyte generation classification with hierarchical categories based B. Formation of a bud on the physical and behavioral characteristics of C. Germination of runners in grasses organisms? D. Stem cuttings A. Ernest Mayr Subject: Biology (Plant and Animal Biology) B. Carolus Linnaeus Topic: Plant Reproduction C. Aristotle Level: Analyzing D. Alexander Fleming Subject: Biology (Plant and Animal Biology) 6. The end products of the dark-reaction phase Topic: Overview (Personalities) of photosynthesis are ADP and ____________. Level: Remembering A. Carbon Dioxide B. sugar 2. In the life cycle of flowering plants, which C. carbon specific floral structure undergoes the process D. starch of fertilization and later develops into a fruit? Subject: Biology (Plant and Animal Biology) A. Sepal Topic: Photosynthesis B. Anther Level: Remembering C. Ovary D. Style 7. An aquatic plant cell was placed in a jar with Subject: Biology (Plant and Animal Biology) water, covered and was exposed to sunlight. Topic: Plant Growth and Development After a few hours, bubbles were observed in the Level: Understanding set-up. What may be the cause of this? A. Opening of the stomata of the leaves 3. In developing a sustainable method for liberating oxygen gas growing crops in urban areas with limited space B. Cellular Respiration of the mitochondria and resources, which technique would you producing carbon dioxide employ, involving the cultivation of plants using C. Photosynthesis of the chloroplast producing a water-based nutrient solution rather than oxygen soil? D. Decomposition of the plant tissue producing A. Aquaponics carbon dioxide B. Mariculture Subject: Biology (Plant and Animal Biology) C. Hydroponics Topic: Photosynthesis D. Aquaculture Level: Applying Subject: Biology (Plant and Animal Biology) Topic: Plant Growth and Development 8. Mimosa pudica, locally known as Makahiya is Level: Applying called as such because its leaflets tend to close when touched. This organismal response to a 4. An autotrophic nutritional relationship given stimulus is called: among organisms in an ecosystem is shown in A. Hydrotropism the conversion of _____________. B. Geotropism A. protein into amino acids C. Phototropism B. radiant energy to chemical energy D. Thigmotropism C. free nitrogen into nitrites Subject: Biology (Plant and Animal Biology) D. rocks into soil Topic: Plants with the Environment Subject: Biology (Plant and Animal Biology) Level: Applying Topic: Plant Nutrition and Transport Level: Applying 9. Applying phylogenetic principles to classify plants involves considering which of the following factors? A. Physical structure A. irritability B. Evolutionary origin B. evolution C. Natural composition C. adaptation D. Physical sequence" D. homeostasis Subject: Biology (Plant and Animal Biology) Subject: Biology (Plant and Animal Biology) Topic: Plant Classification Topic: Regulation of Internal Environment Level: Applying Level: Applying 10. In animals, meiosis leads to the formation of 14. When body parts are paired on either side gametes, which subsequently undergo of the body; this type of symmetry is called fertilization. What is the outcome of _______________. fertilization? A. Dorso-ventral A. sporophytes B. Bilateral B. zygotes C. Radial C. clones D. dorsal D. somatic cells Subject: Biology (Plant and Animal Biology) Subject: Biology (Plant and Animal Biology) Topic: Animal Body Plan Topic: Animal Growth and Development Level: Applying Level: Applying 15. Which term describes mammals that 11. Based on the structural differences between reproduce by laying eggs? plants and animals, which statement correctly A. viviparous highlights a distinguishing feature of the two? B. primates A. Plant cells have plastids, while animal cells do C. oviparous not. D. marsupials B. Plant cells have a stiff cell wall composed of Subject: Biology (Plant and Animal Biology) cellulose, unlike animal cells. Topic: Animal Classification C. Animal cells possess centrioles, whereas cells Level: Remembering of higher plants do not. D. Plant cells are characterized by only a thin 16. Taxonomists need to classify organisms and membrane, unlike animal cells. group them appropriately according to a pre- Subject: Biology (Plant and Animal Biology) identified characteristic. Two organisms can be Topic: Animal Growth and Development identified belonging to the same species if they Level: Analyzing can: A. Eat the same kind of food 12. Nitrogen is taken in by plants and animals to B. Breed in a natural setting make proteins. Plants get it from soil while C. Survive together in nature animals get nitrogen from _____. D. Live together in an ecosystem A. Food Subject: Biology (Plant and Animal Biology) B. Water Topic: Animal Classification C. Soil Level: Understanding D. Air Subject: Biology (Plant and Animal Biology) 17. Which among the following statements Topic: Animal Nutrition describes a genome? Level: Applying A. The complete complement of an organism's genes 13. In a desert environment where B. A specific sequence of polypeptides within temperatures fluctuate greatly between day each cell and night, animals tend to regulate their C. An arrangement of our chromosomes from internal environment to withstand the changes. largest to smallest Which biological concept best describes this D. A specialized polymer of four different kinds ability? of monomers Subject: Biology (Genetics) D. Law of Segregation Topic: Overview Subject: Biology (Genetics) Level: Understanding Topic: Mendelian Genetics Level: Understanding 18. Who coined the word “gene”? A. Darwin 23. A certain breed of chickens has two kinds, B. Johansenn one with black features while the other has C. Mendel white feathers. When the two kinds of chickens D. Watson are bred together, their offspring had both Subject: Biology (Genetics) white and black feathers. This situation Topic: Personalities showcases which law of genetics? Level: Remembering A. Law of Dominance B. Law of Segregation 19. Who is the father of heredity? C. Law of Independent Assortment, incomplete A. Gregor Mendel dominance B. Louis Pasteur D. Law Independent Assortment, Codominance C. Charles Darwin Subject: Biology (Genetics) D. Carolus Linnaeus Topic: Mendelian Genetics Subject: Biology (Genetics) Level: Applying Topic: Personalities Level: Remembering 24. Which of the following systems could explain the ABO blood group system? 20. If the liver cells of an animal have 24 A. Epistasis chromosomes, its sperm cells would have how B. Multiple alleles many chromosomes? C. Polygenic traits A. 12 D. Incomplete dominance B. 6 Subject: Biology (Genetics) C. 48 Topic: Non- Mendelian Genetics D. 24 Level: Applying Subject: Biology (Genetics) Topic: The Chromosomal Basis of Heredity 25. Which parental pair could produce a Level: Applying colorblind female? A. Heterozygous normal vision mother and 21. While examining a human cell in a biology normal father. lab, researchers noted the presence of twenty- B. Heterozygous normal vision mother and two pairs of autosomes and two X colorblind father. chromosomes. Which type of cell was C. Normal vision mother and colorblind father. observed? D. Homozygous normal vision mother and A. sperm normal father. B. female somatic cell Subject: Biology (Genetics) C. male somatic cell Topic: Non- Mendelian Genetics D. unfertilized egg Level: Evaluating Subject: Biology (Genetics) Topic: The Chromosomal Basis of Heredity 26. Hemophilia is an X-linked disorder. The Level: Analyzing daughter of a father with hemophilia and a carrier mother has a _____ probability of having 22. When the gene pair is heterozygous, only hemophilia. one is physically expressed and the other one is A. 0% hidden. which genetic principle is described? B. 25% A. Law of Incomplete Dominance C. 50% B. Law of Dominance D. 100% C. Law of Independent Assortment Subject: Biology (Genetics) Topic: Punnet Square Level: Application Level: Application 32. Arrange the following in chronological 27. The observable characteristics such as skin order: color and facial features are to “phenotype” I. Genetic Engineering while behavior and temperament are to _____. II. DNA Sequencing A. Mutagen III. Darwin’s Evolution Theory B. Mutation IV. Genetic Medicine C. Genotype V. Gregor Mendel’s Heredity D. Genomics A. III, IV, II, I, and V Subject: Biology (Genetics) B. V, III, II, I, and IV Topic: Punnet Square C. III, V, I, II, and IV Level: Application D. V, III, I, II, and IV Subject: Biology (Genetics) 28. Muscles are composed of: Topic: Genetic Engineering and Biotechnology A. Carbohydrates Level: Analysis B. Proteins C. Vitamins 33. Which type of cell would probably provide D. Fats the best opportunity to study lysosomes? Subject: Biology (Genetics) A. Leaf Cell of a plant. Topic: Gene Function: Proteins and Enzymes B. Nerve cell. Level: Remembering C. Muscle cell D. Phagocytes white blood cells. 29. In a reaction, by how many times does an Subject: Biology (Cell and Molecular Biology) enzyme increase the rate of the reaction? Topic: Overview A. thousandfold Level: Applying B. hundredfold C. millionfold 34. Who discovered the cell? D. billionfold A. Robert Brown Subject: Biology (Genetics) B. Robert Hooke Topic: Gene Function: Proteins and Enzymes C. Theodor Schwann Level: Applying D. Matthias Schleiden 30. An organism that has an extra copy of a Subject: Biology (Cell and Molecular Biology) chromosome in all its cells is a result of Topic: Personalities ________________. Level: Remembering A. gene mutation B. chromosomal mutation 35. Who is known as the father of microbiology C. somatic mutation and the first to observe animalcules? D. polyploidy A. Robert Hooke Subject: Biology (Genetics) B. Antoine Van Leuwenhoek Topic: Mutation C. Theodor Schwann Level: Applying D. Louis Pasteur 31. What is an example of a product of 36. True of mitosis: biotechnology that has existed even before the A. Produces diploid cells industrial age? B. Produces both diploid and haploid cells A. Chemical pesticide C. Produces haploid cells B. Vitamin C D. No cells are reproduced C. Synthetic Medicine Subject: Biology (Cell and Molecular Biology) D. Leavened bread Topic: Cells Subject: Biology (Genetics) Level: Understanding Topic: Genetic Engineering and Biotechnology 37. Eula has bacterial pneumonia. What Topic: Protein Structure and Function medication should be given to manage her Level: Applying illness? A. Antibiotics 42. In understanding protein structure and B. Antiviral function, which statement best reflects the C. Analgesic relationship between tertiary structure and D. Anti- Inflammatory drugs protein functionality? Subject: Biology (Cell and Molecular Biology) A. Tertiary structure has little impact on protein Topic: Cells function, as long as the primary structure Level: Applying remains intact. B. Tertiary structure primarily determines 38. Among the given statements, which one protein function through its interactions with could be the effect of drugs on cells? other molecules. A. Produce toxic substance C. Protein function is solely dependent on the B. Discontinuous cell activity quaternary structure, while tertiary structure is C. Cause damage to their structure irrelevant. D. Poison the cell liquid D. Tertiary structure plays a minor role in Subject: Biology (Cell and Molecular Biology) protein function compared to secondary Topic: Cells structure. Level: Analyzing Subject: Biology (Cell and Molecular Biology) Topic: Protein Structure and Function 39. Which of the following is a part of the Level: Analyzing process of chemiosmosis? A. Electrons move along the electron transport 43. In organ transplantation, which of the chain. following factors poses the most significant B. Water molecules are split. threat in the patient? C. Hydrogen ions pass through membranes. A. Recipient's race D. Light is absorbed by chlorophyll. B. Phagocytes Subject: Biology (Cell and Molecular Biology) C. Donor's sex Topic: Energy Generation, Catalysis, and D. Antigen-antibody reaction Biosynthesis Subject: Biology (Cell and Molecular Biology) Level: Analysis Topic: Protein Structure and Function Level: Evaluation 40. Which of the following molecules is likely to have the most potential energy? 44. A nucleotide of DNA may contain ________. A. sucrose A. ribose, uracil, and a phosphate group B. ATP B. deoxyribose, uracil, and a phosphate group C. Glucose C. deoxyribose, thymine, and a phosphate D. ADP group Subject: Biology (Cell and Molecular Biology) D. ribose, thymine, and a phosphate group Topic: Energy Generation, Catalysis, and Subject: Biology (Cell and Molecular Biology) Biosynthesis Topic: DNA and Chromosomes Level: Evaluating Level: Remembering 41. Which level of protein structure primarily 45. Recent studies using DNA revealed that the determines its unique three-dimensional shape domesticated dogs from different homes, the and function? wolf from the forest, and the Chihuahua from A. Primary structure Mexico demonstrate the occurrence of B. Secondary structure similarities but belong to different _____. C. Tertiary structure A. Order D. Quaternary structure B. Family Subject: Biology (Cell and Molecular Biology) C. Phylum D. Species A. Robert Koch Subject: Biology (Cell and Molecular Biology) B. Louis Pasteur Topic: DNA and Chromosomes C. Charles Darwin Level: Applying D. Anton van Leeuwenhoek Subject: Biology (Microbiology and Parasitology) 46. Which of the following is a cloned Topic: Personalities organism? Level: Remembering A. Rat with rabbit hemoglobin genes. B. Human gene with a blood clothing gene. 51. Chronological order from earlier to present: C. Bacterium that has received genes by Microscope, antiseptic, pasteurization. conjugation. A. Leuwenhoek- Pasteur- Lister D. Fern grown in cell culture from a single root B. Pasteur- Leuwenhoek- Lister cell. C. Lister- Pasteur- Leuwenhoek Subject: Biology (Cell and Molecular Biology) D. Pasteur- Leuwenhoek- Lister Topic: DNA and Chromosomes Subject: Biology (Microbiology and Parasitology) Level: Applying Topic: Personalities Level: Understanding 47. Which is true about transcription? A. Transcription happens inside the nucleus. 52. Which of the following products is not B. RNA carries specific amino acids to the derived from microbes? ribosomes. A. beer C. The process stops when one of the three stop B. biofuel codons is encountered. C. vaccine D. All of the above. D. tobacco Subject: Biology (Cell and Molecular Biology) Subject: Biology (Microbiology and Parasitology) Topic: Gene Expression Topic: Microbial Diversity Level: Applying Level: Applying 53. A dairy farmer wants to eliminate harmful 48. Which of the following shows the main microbes in milk without compromising its taste function of the chromosomes in a cell? or nutritional properties. Which method would A. Provide nutrients necessary for development he most likely employ B. Provide energy needed for growth to A. Freezing maturity B. Canning C. Provide proteins required by the genes C. Pasteurization D. Provide information needed for proper D. Fermentation growth and development Subject: Biology (Microbiology and Parasitology) Subject: Biology (Cell and Molecular Biology) Topic: Microbial Diversity Topic: Gene Expression Level: Applying Level: Understanding 54. During a severe flu outbreak, which of the 49. White blood cells are the “soldiers” of the following strategies is most effective in body. They fight the disease-causing organisms. bolstering the body's natural defense They are _____________. mechanisms, thereby reducing the risk of A. antibodies infection? B. phagocytes A. Handwashing with soap and water C. antigens B. Taking antiviral medication D. erythrocytes C. Getting vaccinated against the flu Subject: Biology (Microbiology and Parasitology) D. Using antibiotics to treat bacterial infections Topic: Overview Subject: Biology (Microbiology and Parasitology) Level: Understanding Topic: Infection and Host Resistance Level: Applying 50. Who is the Father of Modern Microbiology? 55. In a community affected by a B. amoeba gastrointestinal infection outbreak, public C. virus health officials are assessing potential sources D. sperm of contamination. Which of the following Subject: Biology (Microbiology and Parasitology) environmental factors is most likely to influence Topic: Virus the transmission of the infection? Level: Remembering A. Availability of healthcare facilities B. Presence of contaminated water sources 60. Dengue is a dreaded disease. In its C. Climate variations throughout the year advanced stage, it causes internal bleeding of D. Cultural practices related to food preparation which in most cases, it is fatal. What causes this Subject: Biology (Microbiology and Parasitology) disease? Topic: Infection and Host Resistance A. A certain kind of virus Level: Applying B. A certain kind of protozoa C. A certain species of mosquito 56. What term used to describe harmful D. A certain strain of bacterium organisms such as bacteria and viruses? Subject: Biology (Microbiology and Parasitology) A. Mutagens Topic: Virus B. Microbes Level: Applying C. Enzymes D. Hormones 61. In a forest ecosystem, there has been an Subject: Biology (Microbiology and Parasitology) observable sudden decline of several tree Topic: Domain Bacteria species. Infected trees were observed to have Level: Remembering white, thread-like structures on their roots. Which of the following fungal characteristics is 57. The bacteria plays important roles in nature most likely responsible for this phenomenon? as __________________. A. Production of spores through meiosis A. Gera catalysts B. Formation of mycelium for nutrient B. Biological enhancers absorption C. Chemical recyclers C. Synthesis of toxins to inhibit plant growth D. Organic additive D. Generation of gametes for sexual Subject: Biology (Microbiology and Parasitology) reproduction Topic: Domain Bacteria Subject: Biology (Microbiology and Parasitology) Level: Applying Topic: Fungal Infections Level: Applying 58. Which of the following statements best reflects the significance of bacteria? 62. Which of the following is not true of fungi? A. Bacteria are responsible for causing A. some are pathogenic infectious diseases. B. some are photosynthetic B. Bacteria play essential roles in nutrient C. some are edible cycling, bioremediation, and the maintenance D. form symbiotic relationship with algae of human health. Subject: Biology (Microbiology and Parasitology) C. Bacteria have limited diversity and are only Topic: Fungal Infections found in extreme environments. Level: Analyzing D. Bacteria are insignificant in comparison to other microorganisms such as fungi and 63. In a densely wooded area, hikers frequently protists. encounter mosquito bites, tick infestations, and Subject: Biology (Microbiology and Parasitology) lice outbreaks during their outdoor excursions. Topic: Domain Bacteria What ecological role do these blood-feeding Level: Evaluating organisms fulfill? A. Herbivores 59. Which of the following is not a type of cell? B. Carnivores A. bacteria C. Parasites D. Omnivores Level: Evaluating Subject: Biology (Microbiology and Parasitology) Topic: Parasitic Infections 68. When body parts are paired on either side Level: Applying of the body; this type of symmetry is called _______________. 64. Given the characteristics of different symbiotic relationships, analyze which term A. Dorso-ventral best describes an organism that survives at the B. bilateral expense of its host: C. Radial A. Mutualism D. dorsal B. Host Subject: Biology (Anatomy and Physiology) C. Parasite Topic: Body Plan D. Commensalism Level: Remembering Subject: Biology (Microbiology and Parasitology) Topic: Parasitic Infections 69. Arthropods exhibit fast and coordinated Level: Analyzing movement because they possess A. an endoskeleton 65. Which branch of biology involves the B. jointed appendages detailed study of the structure of organisms and C. exoskeleton their parts? D. bilateral symmetry A. Anatomy Subject: Biology (Anatomy and Physiology) B. Physiology Topic: Body Plan C. Genetics Level: Applying D. Ecology Subject: Biology (Anatomy and Physiology) 70. The skin cancer is caused by ultraviolet rays Topic: Overview of the sun. Over many years, exposure to Level: Remembering ultraviolet rays causes damage to skin cells, and they begin to reproduce uncontrollably. From 66. During lab, a student was asked to cut a the passage, what is the best way to prevent kidney in a parasagittal plane. How did the skin cancer? student make the cut? A. Get regular medical check up A. any vertical cut except in the median B. Avoid exposure to ultraviolet light B. cut diagonally C. Stop skin cells to reproduce C. any cut dividing the body in anterior and D. Sunbathe evenly on all parts o posterior Subject: Biology (Anatomy and Physiology) D. a horizontal cut dividing the body into a top Topic: Body Plan and bottom Level: Applying Subject: Biology (Anatomy and Physiology) Topic: Overview 71. Which of the following is a characteristic of Level: Applying living things? A. reproduces sexually 67. Select the statement that is most correct. B. dependent on oxygen A. Organ systems operate independently of C. utilizes energy from sunlight each other to maintain life. D. capable of adapting through evolution B. Organ systems can be composed of cells or Subject: Biology (Anatomy and Physiology) tissues, but not both. Topic: Chemistry of Life C. The immune system is closely associated with Level: Understanding the lymphatic system. D. The endocrine system is not a true structural 72. Water, oxygen, carbon dioxide and glucose organ system. can pass through the cell membrane of the Red Subject: Biology (Anatomy and Physiology) Blood Cell while other substances are blocked Topic: Overview from entering. This cell membrane is described D. They have a limited amount of genetic as material. A. Perforated Subject: Biology (Anatomy and Physiology) B. Permeable Topic: Cellular Structure and Function C. Semi-permeable Level: Analysis D. Non-conductive Subject: Biology (Anatomy and Physiology) 77. Which among the pair of words given is not Topic: Chemistry of Life a correct functional pair? Level: Applying A. chloroplast – ATP production B. cytoskeleton – cellular traffic 73. In order for an organism to live in the C. golgi complex - glycosylation longest possible time, which among the D. ribosome – protein synthesis following gases is needed? Subject: Biology (Anatomy and Physiology) A. Oxygen Topic: Cellular Structure and Function B. Nitrates Level: Evaluating C. Carbon dioxide D. Light energy 78. What is the longest cell in the body? Subject: Biology (Anatomy and Physiology) A. Epithelial cell Topic: Chemistry of Life B. Nerve cell Level: Applying C. Skin cell D. Sensory cell 74. Chloroplasts enable plants to create their Subject: Biology (Anatomy and Physiology) own food. Animal cell’s don’t have chloroplasts Topic: Body System and so we can say that ________. Level: Remembering A. Plant cells are more complex than the animal cells 79. Animals living in the high mountain areas B. Animal must obtain food from outside counter the cold by means of their: sources A. Thick hair coat C. Animal cells are more complex than plant B. Thin blood cells C. Low body temperature D. Animal cells prey upon plant cells as a food D. Warm food source Subject: Biology (Anatomy and Physiology) Subject: Biology (Anatomy and Physiology) Topic: Body System Topic: Cellular Structure and Function Level: Applying Level: Understanding 80. It has been observed that our lips are 75. Which of the following statements is true “redder” than our palm. Which among the about cell theory? following statements explains this? A. The Cell theory does not apply to fungi A. Many blood vessels are located around the B. The Cell theory does not apply to virus lips. C. The Cell theory does not apply to algae B. Lip epidermis is thinner. D. The Cell theory does not apply to microbes C. Lips are heavily keratinized. Subject: Biology (Anatomy and Physiology) D. There is increased blood Topic: Cellular Structure and Function Subject: Biology (Anatomy and Physiology) Level: Applying Topic: Body System Level: Applying 76. How are mitochondria and chloroplasts similar to bacteria? 81. Which of the following statements is an A. They are larger than normal cells. example of a physical property? B. They are bounded by a single membrane. A. Sugar is a high-energy food C. They lack ribosomes. B. Gold is highly resistant to corrosion C. Hydrogen cyanide is an extremely poisonous gas 86. What is the maximum number of electrons D. Baking powder gives off bubbles of carbon that can be accommodated in n=3? dioxide a. 2 Subject: Chemistry (Inorganic Chemistry) b. 8 Topic: Overview c. 18 Level: Understanding d. 32 Subject: Chemistry (Inorganic Chemistry) 82. Who is considered the Father of Inorganic Topic: Atoms and Elements Chemistry? Level: Applying A. Antoine Lavoisier B. Alfred Werner 87. Which of the following elements is less C. Dmitri Mendeleev electronegative than carbon? D. John Dalton A. Si Subject: Chemistry (Inorganic Chemistry) B. N Topic: Personalities C. Cl Level: Remembering D. F Subject: Chemistry (Inorganic Chemistry) 83. Which of the following accounts for less Topic: Periodic Properties of the Elements than 0.01% of living matter? Level: Applying A. Copper B. Oxygen 88. Water is a simple compound composed of C. Nitrogen hydrogen and oxygen atoms. What is the IUPAC D. Hydrogen name for water, considering the number of Subject: Chemistry (Inorganic Chemistry) atoms of each element present? Topic: Matter a. Dihydrogen monoxide Level: Remembering b. Dihydrogen oxide c. Hydrogen hydroxide 84. When selecting a material for insulating d. Hydroxyl hydride electrical wires, which property of matter is Subject: Chemistry (Inorganic Chemistry) most important to consider? Topic: Inorganic Compounds A. Thermal conductivity Level: Applying B. Transparency C. Hardness 89. Which among the following process is D. Surface tension described by which small molecular units are Subject: Chemistry (Inorganic Chemistry) chemically bonded together to form large, Topic: Matter complex structures known as macromolecules? Level: Applying A. Osmosis B. Macromerization 85. Which of the following is NOT true about C. Polymerization the nature of the subatomic particles in an D. Monomerization atom? Subject: Chemistry (Inorganic Chemistry) A. Electrons spin around the nucleus. Topic: Chemical Reactions and Stoichiometry B. The nuclear charge of the nucleus holds the Level: Understanding electron. C. The number of neutrons depends on the 90. Evaluate the following reactions. Which of number of protons. the following chemical equations is an example D. Protons and neutrons are fundamental of a combustion reaction? subatomic particles. A. Cl2 (g) + Zn (s) → ZnCl2 (s) Subject: Chemistry (Inorganic Chemistry) B. 2 KClO3 (s) → 3 O2 (g) + 2 KCl (s) Topic: Atoms and Elements C. CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (g) Level: Applying D. HCl (aq) + Mg (s) → MgCl2 (aq) + H2 (g) Subject: Chemistry (Inorganic Chemistry) purely organic compound, from inorganic Topic: Chemical Reactions and Stoichiometry materials. Which of the following correctly Level: Evaluating summarizes the significance of Wöhler's experiment? 91. Which of the following is a homogenous A. It disproved the theory of vitalism, solution? demonstrating that organic compounds could A. Water be synthesized from inorganic substances under B. Blood laboratory conditions. C. Milk B. It confirmed the theory of vitalism, showing D. Sand that only living organisms could produce Subject: Chemistry (Inorganic Chemistry) organic compounds like urea. Topic: Solutions C. It established the principle of isomerism, Level: Applying revealing that urea could exist in multiple structural forms. 92. When a solution of an acid and a base are D. It validated the concept of homeostasis, mixed together in a laboratory setting, which of illustrating the ability of organisms to regulate the following statements most accurately their internal environment. describes the outcome of the reaction? Subject: Chemistry (Organic Chemistry) a. A salt and water are formed as products of Topic: Personalities the reaction. Level: Applying b. The acid and base lose their respective acidic and basic properties. 96. Which among the following shows the c. Both the acid and the base are neutralized. formula for methane? d. All of the above statements are correct. A. CH4 Subject: Chemistry (Inorganic Chemistry) B. C2H6 Topic: Acids and Bases C. C3H8 Level: Analyzing D. C4H10 Subject: Chemistry (Organic Chemistry) 93. The chemist spent his life studying and Topic: Hydrocarbons understanding carbon-based substances and Level: Remembering compounds. Under which branch of chemistry are they dealing? 97. Which of the following statements about A. Inorganic chemistry hydrocarbons is true? B. Biochemistry A. Hydrocarbons that only contain single C. Nuclear chemistry covalent bonds between carbon atoms are also D. Organic chemistry known as alkynes. Subject: Chemistry (Organic Chemistry) B. Hydrocarbons can have the same molecular Topic: Overview formula but different molecular geometries. Level: Understanding C. Hydrocarbons are composed entirely of hydrogen, carbon, and oxygen atoms. 94. Which scientist is recognized as the Father D. Hydrocarbons can only form linear of Organic Chemistry? structures. A. Louis Pasteur Subject: Chemistry (Organic Chemistry) B. Friedrich Wohler Topic: Hydrocarbons C. Robert Hooke Level: understanding D. Linus Pauling Subject: Chemistry (Organic Chemistry) 98. Which among the following molecular Topic: Personalities formula shows that of an alkene with 10 carbon Level: Remembering atoms? A. C10H22 95. In 1828, Friedrich Wöhler famously B. C10H20 synthesized urea, a previously thought to be C. C10H18 D. C10H24 103. Plastics, detergents, food additives, and Subject: Chemistry (Organic Chemistry) medicine are products of chemical reactions Topic: Hydrocarbons that are used in everyday life. This is made Level: Applying possible because of _____. A. Organic chemistry 99. A compound has the molecular formula B. Biochemistry CH₃CH₂OH, containing a hydroxyl functional C. Inorganic Chemistry group. Which of the following classes of D. Analytical Chemistry compounds could this compound belong to? Subject: Chemistry (Organic Chemistry) A. ester Topic: Synthetic Polymers B. ketone Level: Applying C. alkene D. alcohol 104. Many synthetic polymers become a Subject: Chemistry (Organic Chemistry) problem in the environment because they Topic: Functional Groups A. decompose to nutrients, which accelerates Level: Applying plant growth. B. do not readily decompose and tend to 100. An unknown chemical compound has a low accumulate. melting point, is insoluble in water, and is C. do not contain vitamins as natural materials soluble in ether. Based from the given do. characteristics of the compound, the compound D. become a source of food for fish but ruin the could be a ______. flavor of fish meat. A. Sulfuric Subject: Chemistry (Organic Chemistry) B. Carboxylic Topic: Synthetic Polymers C. Triglycerol Level: Analyzing D. Organometallic Subject: Chemistry (Organic Chemistry) 105. Complete the analogy. Dialysis is to Topic: Functional Groups medical biochemistry, as diet therapy is to Level: Applying _____. A. Nutritional biochemistry 101. The best classification for the compound B. Industrial biochemistry with formula CH3CH2COOCH3 is: _____. C. Pharmaceutical biochemistry A. aldehyde D. Agricultural biochemistry B. ester Subject: Chemistry (Biochemistry) C. Ketone Topic: Overview D. carboxylic acid Level: Analyzing Subject: Chemistry (Organic Chemistry) Topic: Functional Groups 106. Which scientist is recognized as the Father Level: Applying of Biochemistry? A. Louis Pasteur 102. All of the following are shared by ketones B. Carl Neuberg and aldehydes, except: C. Robert Hooke A. Presence of carbonyl group D. Alfred Werner B. Contains a hydrogen atom bonded directly to Subject: Chemistry (Biochemistry) the oxygen atom. Topic: Personalities C. Forms hydrogen bonds with water molecules Level: Remembering D. Can undergo nucleophilic addition reactions Subject: Chemistry (Organic Chemistry) 107. What is the primary source of energy in Topic: Functional Groups the body? Level: Analyzing A. Lipids B. Protein C. Nucleic Acid D. Carbohydrate A. Ions are too large to diffuse through the Subject: Chemistry (Biochemistry) membrane. Topic: Carbohydrates B. Ions are charged particles and cannot diffuse Level: Remembering through the hydrophobic interior of the membrane. 108. When you fail to eat the usual kind and C. Ions do not need ion channels to move amount of food you take every day, what could through the membrane. serve as the fuel source of the cells in your D. Ions bind to carrier proteins in the body? bloodstream, which must be removed before A. Albumin in the blood transport into the cell. B. Cholesterol in the blood vessels Subject: Chemistry (Biochemistry) C. Fats in the adipose tissue Topic: Proteins D. Glycogen in the liver Level: Application Subject: Chemistry (Biochemistry) Topic: Carbohydrates 113. Chromosomes do not normally occur in Level: Applying pairs in ____________. A. Earthworm 109. Which category of organic compounds do B. somatic cells margarine and olive oil belong to? C. Fertilized eggs A. Carbohydrates D. gametes B. Proteins Subject: Chemistry (Biochemistry) C. Lipids Topic: Nucleic Acids D. Nucleic acids Level: Application Subject: Chemistry (Biochemistry) Topic: Lipids 114. DNA double helix does not have which of Level: Applying the following? A. antiparallel configuration 110. Of lipids, which are major components cell B. complementary base pairing membranes and help control the movements of C. major and minor grooves materials and out cells? D. uracil A. Steroids Subject: Chemistry (Biochemistry) B. Proteins Topic: Nucleic Acids C. Phospholipids Level: Application D. Water Subject: Chemistry (Biochemistry) 115. Organisms need to transform chemical Topic: Lipids energy stored in molecules into chemical Level: Applying energy that can be used in cellular processes through which among the following processes 111. These are main foods rich in proteins that of _____. provide energy for man, but this not an A. Photosynthesis example of these foods. B. Metabolism A. Butter C. Phylogenetics B. Nuts D. Homeostasis C. Fish Subject: Chemistry (Biochemistry) D. Meat Topic: Biochemical Pathways Subject: Chemistry (Biochemistry) Level: Applying Topic: Proteins Level: Understanding 116. Which of the following statements about bacteria and viruses is true? 112. Why are ion channels necessary to A. Bacteria are generally larger in size compared transport ions into or out of a cell? to viruses. B. Viruses are considered living organisms due A. When the data is normally distributed to their ability to reproduce independently. B. When there are extreme outliers in the C. Bacteria are always harmful to humans, while dataset viruses can sometimes be beneficial. C. When the dataset is small and discrete D. Antibiotics are effective against both bacteria D. When the dataset contains categorical and viruses. variables Subject: Chemistry (Biochemistry) Subject: Chemistry (Analytical Chemistry) Topic: Bacteria, Viruses, and Chemicals Effect in Topic: Data Treatment Human Health Level: Analyzing Level: Evaluating 121. Which of the following statements best 117. Which among the following statements describes the process of calibration? best describes the primary goal of analytical A. Adjusting instruments to read zero before chemistry? each measurement A. Determining the structure of chemical B. Comparing measurements from an compounds instrument to known standards B. Identifying unknown substances in a sample C. Cleaning laboratory glassware thoroughly C. Investigating the kinetics of chemical before use reactions D. Estimating uncertainties in experimental D. Synthesizing new materials for industrial measurements applications Subject: Chemistry (Analytical Chemistry) Subject: Chemistry (Analytical Chemistry) Topic: Standardization and Calibration Topic: Overview Level: Applying Level: Understanding 122. In the lab, instruments need to be always 118. What is the machine that provides a calibrated. Why is it important to regularly physical method of sterilization by killing recalibrate analytical instruments? bacteria, viruses, and even spores present in A. To compensate for changes in environmental the material put inside of the vessel using conditions steam under pressure? B. To ensure consistency and accuracy of A. Autoclave measurements over time B. Spectroscope C. To account for degradation of instrument C. Bunsen burner components D. X ray machine D. To improve the precision of experimental Subject: Chemistry (Analytical Chemistry) results Topic: Basic Tools Subject: Chemistry (Analytical Chemistry) Level: Remembering Topic: Standardization and Calibration Level: Applying 119. In preparing titration set up and mixing solutions, which among the following 123. Which of the following factors can affect equipment should be used? the position of equilibrium in a chemical A. Beaker reaction? B. Test tube A. Temperature and pressure C. Erlenmeyer flask B. Catalysts and inhibitors D. Petri dish C. pH and buffer capacity Subject: Chemistry (Analytical Chemistry) D. Ionic strength and solvent polarity Topic: Basic Tools Subject: Chemistry (Analytical Chemistry) Level: Applying Topic: Equilibrium Chemistry Level: Applying 120. In which situation would the median be a more appropriate measure of central tendency 124. How does increasing the temperature than the mean? affect an endothermic reaction at equilibrium? A. It shifts the equilibrium towards the products done by the gravitational force while the object B. It shifts the equilibrium towards the moves up and down? reactants A. Work is zero on the way up, work is zero on C. It has no effect on the position of equilibrium the way down. D. It increases the rate of the reverse reaction B. Work is negative on the way up, work is Subject: Chemistry (Analytical Chemistry) negative on the way down. Topic: Equilibrium Chemistry C. Work is negative on the way up, work is Level: Analyzing positive on the way down. D. Work is positive on the way up, work is 125. What tool is used to slice thin sections of negative on the way down. specimens for microscopic examination Subject: Physics (Mechanics) A. Microtome Topic: Work and Power B. Microscope Level: Applying C. Pipette D. Centrifuge 130. Who is considered the father of Subject: Chemistry (Analytical Chemistry) thermodynamics? Topic: Sampling and Sample Preparation A. Isaac Newton Level: Remembering B. James Clerk Maxwell C. Ludwig Boltzmann 126. In hematological procedures, which test D. Sadi Carnot tube usually used? Subject: Physics (Thermodynamics) A. Blue top test tube Topic: Personalities B. Green top test tube Level: Remembering C. Grey top test tube D. Lavender top test tube 131. An aluminum plate has a circular hole. If Subject: Chemistry (Analytical Chemistry) the temperature of the plate increases, what Topic: Sampling and Sample Preparation happens to the size of the hole? Level: Applying A. Increases B. Decreases 127. Which of the following is not a C. Stays the same measurement? D. Increases the top half of the hole A. 24°C Subject: Physics (Thermodynamics) B. 65 mph Topic: Temperature and Heat C. 120 Level: Understanding D. 0.50 ppm Subject: Physics (Mechanics) 132. A silver tea spoon is placed in a cup filled Topic: Measurement with hot tea. After some time, the exposed end Level: Understanding of the spoon becomes hot even without a direct contact with the liquid. This phenomenon can 128. Which one of the following describes an be explained by: object in motion? A. Thermal expansion A. A period of time has passed. B. Conduction B. Its position is known. C. Convection C. It is continuously changing position. D. Radiation D. It has reached its final position. Subject: Physics (Thermodynamics) Subject: Physics (Mechanics) Topic: Heat Transfer Topic: Motion Level: Applying Level: Applying 133. Suppose you put a closed, sealed can of air 129. An object is thrown straight up. Which of on a hot stove burner. The contained air will the following is TRUE about the sign of work undergo an increase in _____. A. pressure B. temperature A. solids as compared to liquids. C. thermal energy B. liquids as compared to gases. D. all of these C. warm air as compared to cooler air. Subject: Physics (Thermodynamics) D. All of the above are correct. Topic: Gases Subject: Physics (Waves and Optics) Level: Applying Topic: Wave Properties Level: Analyzing 134. The power rating of an electric motor that draws current of 3 A when operated at 120 V is 139. You are able to see in shaded areas, such __. as under a tree, because light has undergone A. 40 watts A. refraction. B. 360 watts B. incident bending. C. 1 000 watts C. a change in speed. D. 400 watts D. diffuse reflection. Subject: Physics (Electricity and Magnetism) Subject: Physics (Waves and Optics) Topic: Current, Voltage, and Electrical Power Topic: Light Properties Level: Applying Level: Applying 135. A parallel circuit has _____. 140. Which of the following statements best A. wires that are lined up side by side describes the Doppler effect? B. the same current flowing through one A. The change in frequency of a wave caused by resistance after another the relative motion of the observer and the C. separate pathways for the current to flow source of the wave. through B. The reflection of sound waves off objects in D. none of the above the environment. Subject: Physics (Electricity and Magnetism) C. The bending of light as it travels through a Topic: Electric Circuits and Electrical Safety medium with a different refractive index. Level: Applying D. The transmission of energy between two points through vibration or oscillation. 136. What type of energy conversion does a Subject: Physics (Waves and Optics) motor perform? Topic: Doppler Effect A. chemical energy into mechanical energy Level: Analyzing B. mechanical energy into electrical energy C. electrical energy into mechanical energy 141. The separation of white light into its D. mechanical energy into chemical energy component colors is Subject: Physics (Electricity and Magnetism) A. reflection. Topic: Motors and Generator B. refraction. Level: Understanding C. dispersion. D. transmission. 137. Electromagnetic induction occurs when a Subject: Physics (Waves and Optics) coil of wire cuts across magnetic field lines. Topic: Refraction and Dispersion Which one of the following best to use in Level: Remembering increasing the voltage produced? a. Fewer wire loops in the coil 142. Which type of mirror has a reflective b. Increased strength of the magnetic field surface that bulges outward, causing light rays c. Slower speed of the moving coil of wire to diverge? d. Decreased strength of the magnetic field A. Plane mirror Subject: Physics (Electricity and Magnetism) B. Concave mirror Topic: Motors and Generator C. Convex mirror Level: Evaluating D. Spherical mirror Subject: Physics (Waves and Optics) 138. Sound waves travel faster in Topic: Spherical Mirrors Level: Remembering 147. An object is hot enough to emit a dull red glow. When this object is heated even more, it 143. In what way do concave lenses correct will emit vision problems? a. shorter-wavelength, higher-frequency A. By magnifying distant objects radiation. B. By dispersing light rays to reduce glare b. longer-wavelength, lower-frequency C. By bending light rays outward to improve radiation. focus c. the same wavelengths as before with more D. By reducing the focal length to enhance near energy. vision d. more of the same wavelengths. Subject: Physics (Waves and Optics) Subject: Physics (Modern Physics) Topic: Lenses Topic: Planck’s quantum theory Level: Applying Level: Analyzing 144. What happens when two coherent waves 148. A photon is emitted from the electronic meet in such a way that their amplitudes structure of an atom when an electron reinforce each other? a. jumps from a higher to a lower energy level. A. Destructive interference occurs, canceling b. jumps from a lower to a higher energy level. out the waves. c. reverses its spin by 180°. B. The waves combine to form a single wave d. is removed from an atom by a high quantum with a larger amplitude. of energy. C. The waves scatter in random directions. Subject: Physics (Modern Physics) D. The waves change color due to diffraction Topic: Quantum Mechanics effects. Level: Applying Subject: Physics (Waves and Optics) Topic: Polarization and Interference 149. If you want to know the number of protons Level: Applying in an atom of a given element, you look up the A. mass number. 145. Who is credited with formulating the B. atomic number. theory of relativity, which revolutionized our C. atomic weight. understanding of space, time, and gravity? D. abundance of isotopes compared to the mass A. Isaac Newton number. B. Albert Einstein Subject: Physics (Modern Physics) C. Max Planck Topic: Atomic Physics D. Niels Bohr Level: Applying Subject: Physics (Modern Physics) Topic: History 150. Which one/s take place in radioactive Level: Remembering decay? I. An unstable atomic nucleus spontaneously 146. When an object that is moving at a loses energy emitting ionizing particles and significant fraction of the speed of light. Which radiation best describes the object following the principle II. A stable atomic nucleus alpha and beta of relativity? particles A. It remains unchanged. III. An atom of one type of transforms to an B. It expands. atom of another type that results to a decay C. It contracts in the direction of motion. chain D. It contracts perpendicular to the direction of A. I only motion. B. II only Subject: Physics (Modern Physics) C. II and III Topic: Einstein’s’ Relativity D. I and III Level: Understanding Subject: Physics (Modern Physics) Topic: Nuclear Physics Level: Applying a. Cooler b. Warmer 151. Considering the impact on atmospheric c. The same temperature processes, which energy source plays the most d. Sometimes warmer and sometimes cooler significant role in driving weather patterns and Subject: Earth Science (Meteorology) climate dynamics? Topic: Atmospheric Effects A. energy from within the earth Level: Applying B. the sun C. erupting volcanoes 156. Considering Earth’s overall atmosphere, D. lightning discharges associated with you would expect more rainfall to occur in a thunderstorms zone of Subject: Earth Science (Meteorology) A. high atmospheric pressure. Topic: Overview B. low atmospheric pressure. Level: Applying C. prevailing westerly winds. D. prevailing trade winds. 152. Earth’s magnetic field is most likely due to Subject: Earth Science (Meteorology) _____. Topic: Pressure, Density, and Wind A. convection currents in the molten part of Level: Applying Earth’s interior B. the revolution of Earth 157. Which factor primarily distinguishes C. the rotation of Earth acting on all of Earth’s weather from climate? electrons a. Temperature fluctuations D. millions of small magnets buried in Earth b. Alterations in atmospheric pressure Subject: Earth Science (Meteorology) c. Short-term and long-term trends Topic: Earth’s Subsystems d. Occurrence of precipitation Level: Understanding Subject: Earth Science (Meteorology) Topic: Weather and Climate 153. Which layer of the atmosphere does Level: Analyzing meteors burn? A. troposphere 158. Weather disturbances formed in the Pacific B. mesosphere area developed into a ____. C. thermosphere A. Hurricanes D. stratosphere B. Typhoons Subject: Earth Science (Meteorology) C. Cyclones Topic: Atmosphere D. Tornado Level: Remembering Subject: Earth Science (Meteorology) Topic: Weather Disturbances 154. The consistent tilt and the orientation of its Level: Remembering axis as Earth moves around its orbit is responsible for 159. What major shift in human understanding A. tides. occurred during the beginning of astronomy? B. seasons. A. The realization that Earth is the center of the C. volcanic eruptions. universe D. earthquakes. B. The discovery of the heliocentric model Subject: Earth Science (Meteorology) C. The recognition of patterns in celestial Topic: The Earth in Space movements Level: Applying D. The invention of telescopes for astronomical observation 155. On a clear, calm, cool night, you would Subject: Earth Science (Astronomy) expect the air temperature over a valley floor to Topic: History of Astronomy be what compared to the air temperature over Level: Analyzing a slope to the valley? 160. In locating objects in the sky, which among C. forms planetary nebulae. the following should an astronomer use as a D. results in a tremendous explosion called a referent system? pulsar. A. celestial globe. Subject: Earth Science (Astronomy) B. celestial coordinates. Topic: Stars C. celestial sphere. Level: Applying D. celestial maps. Subject: Earth Science (Astronomy) 165. Planets in our solar system are classified Topic: Place and Time according to all of the following characteristics Level: Applying except A. density. 161. Which type of telescope is best suited for B. size. observing objects with minimal distortion C. nature of the atmosphere. caused by atmospheric turbulence? D. inhabitants. A. Radio telescope Subject: Earth Science (Astronomy) B. X-ray telescope Topic: Solar System C. Refracting telescope Level: Applying D. Reflecting telescope Subject: Earth Science (Astronomy) 166. Which space mission marked the first-time Topic: Lights and Telescope humans walked on the Moon? Level: Applying A. Apollo 8 B. Apollo 11 162. What property of the universe is crucial in C. Gemini 4 determining whether it will continue expanding D. Mercury 7 or collapse back into another big bang? Subject: Earth Science (Astronomy) a. The density of matter in the universe Topic: Space Exploration b. The age of galaxies compared to the age of Level: Remembering their stars c. The availability of gases and dust between 167. Who is the Father of Ecology? the galaxies A. Ernst Haeckel d. The number of black holes B. Rachel Carson Subject: Earth Science (Astronomy) C. Gregor Mendel Topic: Universe D. Alexander von Humboldt Level: Applying Subject: Earth Science (Environmental Science) Topic: Personalities 163. What looks like a spilled milk-shaped Level: Remembering galaxy according to ancient people? A. Milky way 168. Organisms in the ecosystem are affected B. Andromeda galaxy by both the biotic and abiotic factors of the C. Whirlpool galaxy environment, which of the following is an D. Pinwheel galaxy example of a biotic factor that would impact a Subject: Earth Science (Astronomy) population of bats? Topic: Galaxies A. the density of the population of bats Level: Remembering B. the shifts in temperature from day to night in the local habitat 164. When a massive star reaches the end of its C. the local humidity and frequency of rainfall life cycle and undergoes collapse, which of the D. exposure to warm winds, which might cause following outcomes is associated with this desiccation (dehydration) process? Subject: Earth Science (Environmental Science) A. results in a tremendous explosion called a Topic: Terrestrial and Aquatic Biomes supernova. Level: Analyzing B. forms a white dwarf. 169. All of the following are true about Sulfur A. Chemical weathering due to acidic rainwater cycle, EXCEPT: B. Biological weathering caused by plant roots A. Cycles in both a gas and sedimentary cycle. C. Mechanical weathering due to frost action B. Sulfur in soluble form is taken up by plant D. Physical weathering from wind abrasion roots and incorporated into amino acids. Subject: Earth Science (Environmental Science) C. Must be fixed or converted into a usable Topic: Surface Processes form. Level: Applying D. Primary source is the Earth’s crust. Subject: Earth Science (Environmental Science) 174. Referring to the geological time scale, Topic: Biogeochemical Cycles which is true among the following: Level: Applying A. We are presently in the industrial period B. We are presently in the holocene period 170. Only ten percent of the energy stored in an C. The quaternary period is the youngest period organism can be passed on to the next trophic D. The Holocene period is the youngest period level. Of the remaining energy, some is used for Subject: Earth Science (Environmental Science) the organism’s life processes, and the rest is Topic: Geologic Time Scale A. Used in reproduction Level: Understanding B. Stored as body tissue C. Stored as fat 175. "Distinguishing between speed and D. Eliminated as heat velocity". At which level of the cognitive domain Subject: Earth Science (Environmental Science) you would place this question? Topic. Food Chain and Food Web A. Remembering Level: Applying B. Understanding C. Applying 171. The presence of an oceanic trench, a chain D. Evaluating of volcanic mountains along the continental Subject: Science Instruction (Methods for edge, and deep-seated earthquakes is Teaching Science) characteristic of a (an) Topic: Overview a. ocean-ocean plate convergence. Level: Applying b. ocean-continent plate convergence. c. continent-continent plate convergence. 176. In science teaching, explanation method d. None of the above is correct. will be proved most useful when- Subject: Earth Science (Environmental Science) A. Knowledge is to given to students. Topic: Structural Geology and Plate Tectonics B. To develop interest and in form of helping Level: Applying way of text book. C. To draw attention of undisciplined class. 172. To describe mineral hardness, we use D. To completely present the subject matter. _____. Subject: Science Instruction (Methods for A. uranium Teaching Science) B. Mohs scale Topic: The Teaching Profession and Science C. potassium Teaching D. carbon dating Level: Understanding Subject: Earth Science (Environmental Science) Topic: Minerals, Rocks, and Volcanoes 177. Teacher Vanessa transferred to the public Level: Remembering school because she believed that it is her calling to serve the less fortunate members of the 173. During a particularly harsh winter, a society. She put all her heart and dedicated her mountain region experiences frequent cycles of life into molding her learners. How does she freezing and thawing. As a result, large boulders view teaching? on the mountain slopes begin to crack and A. As a profession break apart. Which type of weathering is most B. As a vocation likely responsible for this phenomenon? C. As a mission D. As a side job Level: Applying Subject: Science Instruction (Methods for Teaching Science) 182. In a creating a lesson plan, what should be Topic: The Teaching Profession and Science the primary focus when selecting teaching Teaching methods? Level: Applying A. The teacher's preferences B. The popularity of the method 178. A Science teacher must be an expert in his C. The alignment with learning objectives field and act quickly on problems of immediate D. The length of time required for preparation concern. Which personal quality, then, should Subject: Science Instruction (Methods for the teacher possess? Teaching Science) A. Innovativeness Topic: Lesson Plan Preparation B. Intelligence Level: Applying C. Compassion D. Self-confidence 183. Which of the following statements is NOT Subject: Science Instruction (Methods for true? Teaching Science) A. A teacher must present science as a way of Topic: Qualities of an Effective Science Teacher finding out rather than as a body of facts to be Level: Applying memorized. B. In teaching, learning by doing must be 179. Who is at the center of the teaching- emphasized. learning process in Science education? C. Teachers must adapt science experiences to A. learning environment the learners’ developmental levels B. teacher D. A teacher must use only one C. learner approach/strategy in teaching science D. school Subject: Science Instruction (Methods for Subject: Science Instruction (Methods for Teaching Science) Teaching Science) Topic: Approaches in Teaching Science Topic: Characteristics of Science Learners Level: Evaluating Level: Applying 184. In Science instruction, what is the aim in 180. Why is it important to incorporate practical interpreting grades against standards? experiments in Science Education? A. Understanding of performance A. To make learning more difficult B. Rating of performance B. To enhance critical thinking skills C. Assessment of behavior C. To discourage student participation D. Ranking of students in a class D. To rely solely on theoretical knowledge Subject: Science Instruction (Methods for Subject: Science Instruction (Methods for Teaching Science) Teaching Science) Topic: Science Assessment Strategies of Science Topic: K to 12 Science Curriculum Learning Level: Understanding Level: Analyzing 181. In the K-12 Curriculum, the subject Science 185. Which of the following best describe is formally taught at Grade 3. How is Science Technological Pedagogical Knowledge (TPK) taught in Grade 1 and 2? among Science teachers? A. taught in Science modules A. Their use of technology for game leisure B. integrated in Math B. Their use of technology for technology’s sake C. taught in Science clubs C. Their use of technology for instruction D. integrated in English D. Their use of technology for social media Subject: Science Instruction (Methods for Subject: Science Instruction (Technology for Teaching Science) Teaching Science) Topic: K to 12 Science Curriculum Topic: Overview Level: Applying following would be the logical steps in doing this? 186. You were assigned to handle a class in a I. Set the objectives remote barrio. With the scarcity of technology II. Analyze the learners tools, what can you do? III. Utilize the materials with showmanship A. Use pictures all the time. IV. Evaluate the performance of the students B. Borrow materials from friends. A. I-II-III-IV C. Buy a projector from own salary. B. II-I-III-IV D. Utilize materials available in the community. C. I-II-IV-III Subject: Science Instruction (Technology for D. II-I-IV-III Teaching Science) Subject: Science Instruction (Technology for Topic: Technology Integration in Science Teaching Science) Education Topic: Technology Innovation in Science Level: Applying Education Level: Applying 187. In order to attain the 21st century skills 190. Cup-like receptacle made of porcelain used among learners, the following are relevant in heating inside the lab. approaches and prospects that schools should A. Autoclave impose. If you arrange them based on B. Beaker effectiveness, which one comes to the very C. Crucible least? D. Graduated cylinder A. Provide them information on direct Subject: Science Instruction (Technology for instruction principles and perspectives. Teaching Science) B. Bring learners to the real world where life Topic: Laboratory Equipment action is. Level: Remembering C. Expose them to great deal of researchers and other inquiry-based modalities using 191. In viewing structure of cells. What type of technology. microscope is used to magnify objects at D. Guide them in searching for truth and maximum level with high resolution? exploring their own learning experiences. A. light Subject: Science Instruction (Technology for B. digital Teaching Science) C. electron Topic: Technology Integration in Science D. compound Education Subject: Science Instruction (Technology for Level: Evaluating Teaching Science) Topic: Laboratory Equipment 188. How will you characterize the use of Level: Understanding PowerPoint presentation to deliver a lesson? A. Culture 192. In ordinary biological laboratory classes for B. Technology undergraduate courses, which type of C. Machinery microscope is commonly utilized as it is the D. Academics most practical for studying microorganisms Subject: Science Instruction (Technology for magnified a few thousand times? Teaching Science) A. light Topic: Technology Innovation in Science B. digital Education C. stereo Level: Remembering D. electron Subject: Science Instruction (Technology for 189. Ms. Ellen is planning to integrate Teaching Science) technology in her Science class. Which of the Topic: Laboratory Equipment Level: Applying A. Snowball sampling 193. Which of the following is NOT a rule when B. Convenience sampling writing a hypothesis? C. Stratified sampling A. It is testable D. Cluster sampling B. it should restate the question Subject: Science Instruction (Research) C. It is a prediction. Topic: Sampling Methods D. It is an if/then statement Level: Applying Subject: Science Instruction (Research) Topic: Scientific Investigation 198. Science researcher wanted to compare the Level: Understanding means of two independent groups. What is the appropriate tool to use? 194. In an experiment, the one variable that is A. ANOVA changed is called the B. Chi-square test A. dependent variable C. t-test B. experimental variable D. Pearson correlation C. independent variable Subject: Science Instruction (Research) D. controlled variable Topic: Statistics Subject: Science Instruction (Research) Level: Applying Topic: Variables Level: Remembering 199. In order to determine whether three or more independent samples are statistically 195. After data is gathered, it needs to be different, which among the following tests is subjected to analysis to arrive at a sound best to use? conclusion. How can you analyze and interpret A. regression test the results? B. ANOVA test A. By assuming that something does not exist C. t-test B. Making decisions about the specific methods D. z-test C. Identifying the outcomes without making any Subject: Science Instruction (Research) judgments Topic: Statistics D. Using statistical methods to examine and Level: Evaluating evaluate the data Subject: Science Instruction (Research) 200. What graph uses pictures in presenting the Topic: Research Process data? Level: Applying A. Pictograph B. Line graph 196. In planning a research study, what is the C. Table primary purpose of research design? D. Bar graph A. Selecting the sample size for the study Subject: Science Instruction (Research) B. Identifying the specific research questions to Topic: Graphs, Table, and Charts investigate Level: Remembering C. Choosing the appropriate statistical analysis technique D. Outlining the overall plan for conducting the study Subject: Science Instruction (Research) Topic: Research Design Level: Applying 197. If a researcher wants to ensure that all subgroups of a population are adequately represented in the sample, which sampling method should they use?