CAVITE STATE UNIVERSITY General Education Science PDF

Republic of the Philippines CAVITE STATE UNIVERSITY Don Severino De las Alas Campus Indang, Cavite www.cvsu....

Republic of the Philippines CAVITE STATE UNIVERSITY Don Severino De las Alas Campus Indang, Cavite www.cvsu.edu.ph COLLEGE OF EDUCATION Teacher Education Department GENERAL EDUCATION SCIENCE 1. What religious order founded the Ateneo de Manila during the Spanish regime? A. Jesuits B. Dominican C. Franciscan D. Carmelites 2. Which interdisciplinary field tracks the history of disciplines, the dynamics of science as a social institution, and the philosophical basis for scientific knowledge? A. Intersections: Science, Technology, and the World B. The Structure of Scientific Revolutions C. History of Science and Technology D. Science, Technology, and Society (STS) 3. What is the name of the anti-cancer cream Rolando Dela Cruz developed from cashew nuts and other local herbs that earned him the gold medal at the prestigious International Inventor’s Forum in November of 2005? A. DBC cream B. DeBCC cream C. BeDCC cream D. BCC cream 4. Which program under the National Integrated Basic Research Agenda (NIBRA) encompasses research programs on the potential sources of natural products in various ecosystems, especially in rare environments where medicinal products can be discovered? A. LIKAS B. SAKLAW C. TUBIG D. ALERT 5. Which period before Common Era changed the face of farming with the invention of irrigation, the process of using man-made canals and ditches to divert water from natural sources or floodplains to fields for crops or to reservoir lakes to use at a later time? A. Stone Age B. Bronze Age C. Iron Age D. Middle Ages 6. Who among the proponents of Cell Theory inferred that cells come from pre-existing cells? A. Theodor Schwann B. Matthias Schleiden C. Rudolf Virchow D. William Harvey 7. Which elements comprise 96% of a human body’s mass? A. carbon, oxygen, iron, and potassium B. carbon, calcium, sodium, and oxygen C. carbon, oxygen, hydrogen, and nitrogen D. calcium, magnesium, potassium, and iron 8. Which among the following does NOT describe the differences between prokaryotic and eukaryotic cells? A. The primary difference between prokaryotic and eukaryotic cells is that a nucleus and other membrane- bound organelles are only present in prokaryotic cells. B. Prokaryotes are always unicellular, while eukaryotes are often multi-celled organisms. C. The DNA in eukaryotes is stored within the nucleus, while DNA is stored in the cytoplasm of prokaryotes. D. Eukaryotic cells are more than 100 to 10,000 times larger than prokaryotic cells and are much more complex. 9. What are the products of photosynthesis? A. Oxygen and water B. Glucose and carbon dioxide C. Oxygen and glucose D. Carbon dioxide and water 10. Which organelle can modify a protein and determine its destination in the cell? A. Lysosome B. Vacuole C. Golgi apparatus D. Ribosome 11. Why are mitochondria but not chloroplasts called the powerhouses of the cell? A. Mitochondria but not chloroplasts directly provide ATP to the cell. B. Mitochondria but not chloroplasts capture solar energy. C. Mitochondria form glucose, but chloroplasts break it down. D. Both a and b are correct. 12. Which chemical bonding occurs when two ions of opposite charge attract each other? A. Polar Covalent bond B. Ionic bond C. Hydrogen bond D. Non-polar covalent bond 13. What is the role of centrioles in the cell cycle? A. Synthesis of actin and myosin protein B. Spindle apparatus of a dividing cell C. Brush the border of a cell D. Transduction of signals from one cell to another 14. Plant cells store energy in the form of , and animal cells store energy in the form of. Which words will complete this statement? A. starch; glycogen C. fructose; glucose B. disaccharides; monosaccharides D. cellulose; chitin 15. Which of the following fibrous elements gives a connective tissue high tensile strength? A. Reticular fibers C. Collagen fibers B. Elastic fibers D. Myofilaments 16. Which coiled, tubular gland, found in the axillae, genitalia, and around the anus, produces secretions that are broken down by bacteria to produce body odor? A. Sebaceous gland C. Apocrine sweat glands B. Oil glands D. Eccrine sweat glands 17. In third-degree (full-thickness) burns, both the epidermis and the dermis are destroyed. Which of the following conditions does not occur as a result of a third-degree burn? A. increased likelihood of infection C. dehydration B. loss of sensation in the burned area D. increased sweating 18. Which of the following best describes pollution? A. It is the presence of an unwanted impurity or constituent, which is not necessarily harmful but could be, in a material, physical body, or natural environment. B. It is something people produce in large enough quantities that it benefits our health or wellbeing. C. It does not have to produce physical harm as long as it affects the health, survival, or activities of human beings or other forms of life in an undesirable way. D. It is the introduction of a substance in the right place, in the right concentrations, at the right time. 19. Which is the main component of acid rain? A. sulfuric acid and nitric acid C. ascorbic acid and nitric acid B. acetic acid and bromine D. hexane and methane 20. How does blue-green algae affect the drinking water consumed by living organisms? A. They may cause severe, self-limiting diarrhea. B. They are capable of producing cyanotoxins that damage the liver, nervous system, and skin. C. These are used as indicators of fecal contamination. D. They are a major cause of food poisoning. 21. Which of the following greenhouse gases are entirely anthropogenic in origin? A. Carbon dioxide C. Methane B. Chlorofluorocarbons D. Ammonia 22. How does ocean acidification affect the aquatic life? A. As the pH level of the oceans increases, the availability of calcium carbonate will decline, which is used to form shells and skeletons of many marine organisms. B. Marine organisms struggle to stay healthy under increased acidity as they use more energy to maintain healthy body fluid chemistry. C. Larvae become more vulnerable which means that while organisms may be able to reproduce, their offspring may not reach adulthood. D. All off the above 23. If an H is for tall trait which is dominant and h is the recessive trait for short, which of the following cross will result in 1:1 tall: short progeny? A. Hh X Hh C. HH X hh B. Hh X hh D. hh X hh 24. Which of the following steps is not part of Mitosis? A. The sister chromatids separate and move toward opposite spindle poles B. Homologous chromosomes pair up and begin synapsis C. Formation of a cell plate which will eventually become a new cell wall D. The centrosomes center at the spindle pole 25. A genetic cross between two F1-hybrid pea plants having yellow seeds will yield what percent green- seeded plants in the F2 generation, considering that yellow seeds are dominant to green? A. 0% C. 50% B. 25% D. 100% 26. What would be the sequence of bases of an mRNA molecule that was transcribed from the sequence of DNA bases shown as GTAGTTGGT? A. CAUCAACCA C. CAUCAUCCA B. UCGUCGUUC D. GTAGTAGGT 27. Which of the following does not describe the characteristics of the DNA molecular structure as proposed by Watson and Crick? A. DNA base composition follows Chargaff's rule. B. The x-ray diffraction patterns of DNA fibers indicate the linear structure of the molecule. C. Purified native DNA can be denatured by gentle heating. The denatured DNA exhibits marked changes in physical properties, but there would be no cleavage of covalent bonds. D. A DNA polymer consists of nucleotides linked by a 3”-5” phosphodiester bond. 28. A form of vitamin D-resistant rickets, known as hypophosphatemia, is inherited as an X-linked dominant trait. If a male with hypophosphatemia marries a normal female, which of the following predictions concerning their potential progeny would be true? A. About 50% of their daughters would inherit the disease B. About 50% of their sons would inherit the disease C. All of their daughters would inherit the disease D. All of their sons would inherit the disease 29. Horses and zebras belong to the same genus (Equus) but they are not considered to be members of the same species, why? Because they- A. do not interbreed. C. are of different sizes. B. eat different foods. D. have different markings. 30. Why are our lips “redder” than our palm? A. There is increased blood flow in the lips B. Lips are heavily keratinized C. Lip epidermis is thinner D. Many blood vessels are located around the lips