Science 11 Earth&Life 2nd Quarter Final RUQA PDF

Department of Education Region X-Northern Mindanao FINAL TERM EXAMINATION Grade 11 Earth and Life Science Name: ________________________________ Date of Examination: ______ Grade Level/Section: _____________________...

Department of Education Region X-Northern Mindanao FINAL TERM EXAMINATION Grade 11 Earth and Life Science Name: ________________________________ Date of Examination: ______ Grade Level/Section: _____________________ Score: ______________________ Direction: Read each question carefully and write the letter of the best answer in the space provided. 1. How will you describe the levels of biological organization? a. The biological levels of organization of living things arranged from the simplest to most complex. b. The biological levels of organization of living things arranged from most complex to the simplest. c. The biological levels of organization of living things are arranged alphabetically. d. The biological levels of organization of living things are not properly arranged 2. Why did it take millions of years for life to appear on Earth after the planet had formed? a. It took millions of years for RNA to replace DNA. b. The planet had warmed up enough to sustain life. c. The planet had cooled down enough to sustain life. d. Life on Earth could begin only when seedlings arrived on our planet from other worlds. 3. Which of the following is the NOT a correct definition of Biology? a. Study of functions of living organisms and their parts b. Study of origin and differentiation of various organism c. Science that deals with structures, functions, and relationships of living things and their environment d. Science that deals with matter and energy and the way they act on each other in heat, light, electricity, and sound 4. What is the significance of studying the molecular evidence present among living organisms? a. It will allow the classification of c. It will benefit the economy of living organisms. the world.  b. It will give idea for the scientist d. It will then serve as the basis of which to clone. what to study. 5. What does the cell theory state? a. Plants do not have cells c. Every cell has only one nucleus b. All living things are made of cells d. Animals are the only organism that have cells 6. Which of the following BEST describes the difference between a plant cell and an animal cell? a. Animals’ cells have cell walls and plant cells do not b. Plant cells have cell walls and animal cells do not c. Animal cells are eukaryotes and plant cells are not d. Plant cells are eukaryotes and animal cells are not 7. How were the different organisms created in terms of the biological Organization of life? a. when tissues are formed b. when the different organs are combined c. when the different organ system functions as a whole d. none of the above 8. Place the following in the order in which they evolved or existed; eukaryotic cell, prokaryotic cell, photosynthesis, organic molecules a. eukaryotic cell, photosynthesis, prokaryotic cell, organic molecules b. eukaryotic cell, prokaryotic cell, organic molecules, photosynthesis c. organic molecules, eukaryotic cell, photosynthesis, prokaryotic cell d. organic molecules, prokaryotic cell, photosynthesis, eukaryotic cell 9. How does genomics differ to the concept of molecular biology? a. all of the above b. different proteins (proteome) found in a living organism c. it focuses on the genetic material (genome) of an organism d. it studies the molecules that make up the cells of living organisms 10. What BEST portrays an ecosystem? a. It refers to an interacting group of organisms. b. It is the integration of plants, animals and microorganisms c. Different species of living organisms that interact with each other. d. The area in which living things interact with one another and with their environment 11. It was stated that the organisms are evolving. The evolution can be due to environmental changes. More so, the conservation of their traits depends mainly on how they will survive. In this regard, humans alter the natural world bringing harmful consequences from their activity,  known as. a. Environmental issues b. Environmental topics c. Ecosystem conflict d. Human intervention 12. Given the following components in the choices, which do you think comprises the complete concept of ecosystem? a. Living things c. Non-living things b. Predators and consumers d. Living and non-living things 13. Which of the following refers to the ability of the body to keep the condition to be stable despite the change in the environment? a. homeostasis c. stimulus equilibrium b. hormonal balance d. none of the above 14. What are the two important relationships in an ecosystem? a. Symbiosis and predation c. Mutualism and parasitism b. Interaction and interdependence d. Biotic potential and environmental resistance 15. Which of the following is not true about characteristics of living organisms? a. living things moves c. Living things are made u of cells b. Living things don’t need energy d. living things reproduce, grow and develop 16. The carrying capacity is the maximum number of organisms that an ecosystem can support. What factors influence the carrying capacity? I. competition II. limiting factor III. biotic potential IV. environmental resistance a. I and II b. I and II c. III and IV d. I, II, and IV 17. Which of the following refers to the process by which genetic information is passed on from one generation of to another as organisms? a. reproduction b. growth c. adaptation d. evolution 18. Which of the following type of mechanism of reproduction are for dogs? a. viviparous b. oviparous c. fragmentation d. budding 19. Choose among the following statement that is TRUE about sexual  reproduction: a. Gametes has diploid cells b. Occur with only one parent involve c. Produce genetically different offspring as compared to parents d. Involves less time as compared to asexual preproduction process 20. What would happen if a living organism failed to reproduce? a. The population confines its growth b. There will be increase in population c. There will be decrease in population growth d. It has no effect on the population of living organism 21. Which of the following processes demonstrates breeding of organism that shares similar genetic traits in order to maintain the desired traits? a. Selective breeding c. Inbreeding b. Cloning d. Artificial selection 22. Which of the following refers to the technique used to compare DNA from two or more organisms? a. cloning c. gene cutting b. gene splicing d. gel electrophoresis 23. How can genetically modified crops contribute to increased food production? a. by reducing crop yields b. by promoting expensive food products c. by using more toxic chemicals d. by enhancing the quality of cropyields 24. Farmers in General Trias, Cavite have increased the harvest yield of food crops like eggplant by growing them from seeds that have been modified to produce a bacterial toxin that is harmful to pest insects. This is an example of. a. selective breeding of the insects b. spraying an insecticide on plants c. selective breeding of the eggplant d. an application of biotechnology (recombinant DNA) 25. The very process of creating GMO plant can result a massive collateral Damage that produces the following EXCEPT. a. New toxins c. Allergens b. Nutritional deficiencies d. Mass production of food 26. All of the following are the benefits of using GMO’s EXCEPT; a. Increase food supply b. GMO’s are not expensive c. can help upgrade the medical processes d. can preserve the lasting quality of products 27. How do circulatory system and immune system work together to respond to an injury? a. Increased blood flow carries white blood cells to the site of the injury b. Increased blood flow kills healthy cells which prevents infection at the site of the injury c. Increased blood flow allows for an increase in the exchange of carbon dioxide and oxygen at the site of the injury. d. Increased blood flow removes infected cells from the body at the site of the injury 28. How does the digestive system work with all other systems? a. The digestive system allows the body to move b. The digestive system puts oxygen into the body c. The digestive system gives the body energy and nutrients d. The digestive system transport blood to all the other systems 29. Which of the following describes an interaction that occurs between two body systems of a rabbit that helps the rabbit outrun a pursuing coyote? a. The endocrine system releases hormones that prepare the immune system to deal with the possible injuries b. The digestive system increases the rate of digestion, and the excretory system ceases to provide tissues with more nutrients c. The respiratory system increases the breathing rate, and the circulatory system increases blood pressure to provide tissues with more oxygen. d. The skeletal system releases additional calcium, and the circulatory system retains more sodium in the blood to provide muscles with ions for contraction 30. What is the major role of red blood cells in the circulatory system? a. prevents disease and fight infection b. carry digestive juices to the stomach c. carry nutrients and oxygen to body cells d. sends chemical messages to the nervous system 31. Riding a bicycle requires additional energy from leg muscles. Which of the following conditions may result from this activity, and which response helps restore the body to its normal condition? a. increased salt wastes can be removed by the heart b. decreased oxygen can be replaced by digesting an apple  c. increased sugars in the blood stream can be diluted by drinking water d. increased carbon dioxide in the blood can be removed by breathing faster 32. You feel very hungry as you smell a fried chicken from the fast food in front of your school. You are catching your breath and your heart beats fast as you hurriedly walk in going home. All of the following organ systems are responsible for the given situation, EXCEPT. a. Excretory System c. Digestive System b. Respiratory System d. Circulatory System 33. You studied well last night for today’s examination. Which organ system is most responsible for the given situation? a. Lymphatic System c. Nervous System b. Circulatory System d. Respiratory System 34. What are the three systems that work together to move the body? a. digestive, circulatory, respiratory c. nervous, skeletal, circulatory d. digestive, respiratory, skeletal d. skeletal, muscular, nervous 35. Which of the two organs make up the central nervous system? a. brain and spinal cord c. cerebrum and cerebellum b. neurons and receptors d. somatic nerves and autonomic nerves 36. Who is the Father of Evolution? a. Alfred Russel Wallace c. Charles Darwin b. Carolus Linnaeus d. Jean Baptiste de Lamarck 37. Which animal exchange carbon dioxide and oxygen gas through the skin? a. frog c. pig b. hydra d. earthworm 38. Chameleons shift colors wherever they go. They are able to turn any colors or combine colors depending on where the environment is. What trait is being described? a. adaptation b. interaction c. inheritance d. reproduction 39. Which of the most recent era of time-the one we are currently in? a. Mesozoic b. Paleozoic c. Cenozoic d. Precambrian 40. Which of the following refers to the inherited trait that helps the organism’s ability to survive and reproduce? a. adaptation b. growth c. reproduction d. accumulation 41. Each living species has descended, with changes, from other species over time and as a result species today look different from their ancestors. Which theory describes this phenomenon? a. Theory of Descent with Modification c. Theory of Modification b. Theory of Natural Selection d. Theory of Survival 42. Which of the following structures refers to the species that share similar physical features because the feature was present in a common ancestor? a. Homologous structures c. heterologous structures b. homozygous structures d. heterozygous structure 43. Which of the following can be considered as a fossil? a. a billion-year old rock b. a billion-year old piece of amber c. a billion-year old amber with a primitive insect inside d. the choices are all correct 44. Which of the following refers to biotic and abiotic factors that prevent the persistent development of a population like food, water and space? a. biotic potential c. limiting factor b. carrying capacity d. environmental resistance 45. The Philippines and other countries are experiencing world crisis due to the deadly threat of COVID-19, an infectious disease caused by virus that may lead to mortality. What describes this disease as a limiting factor that limit population growth? a. Biotic Potential c. Carrying Capacity b. Migration and emigration d. Environmental Resistance 46. Which of the following is NOT a biotic factor? a. Goat c. temperature b. coronavirus d. coconut trees 47. These factors that can restrain the expansion of a population, for example, predators, competitors, lack of food and water, diseases and reasonable living space. Which of the following refers to these factors? a. limiting factor c. biotic potential b. carrying capacity d. environmental resistance 48. Which of the accompanying reasons does explain why various life forms have diverse biotic potentials? a. Offspring have distinctive survival rates b. Life forms have diverse multiplication rates. c. Different life forms will have diverse reproductive life expectancies d. Organisms that abide in a similar situation will have similar potentials 49. On the Galápagos Islands, Charles Darwin observed that; a. completely unrelated species on each of the islands b. species exactly like those found in South America c. species completely unrelated to those found in South America d. somewhat similar species, with traits that suited their particular environments 50. When farmers select animals or plants to use for breeding, they look for? a. homologous structures b. traits that are produced artificially c. natural variations that are present in a species d. species that are perfect and unchanging