BICOL UNIVERSITY COLLEGE ENTRANCE TEST REVIEW EARTH ANDLIFE SCIENCE December13,2021 8:00-9:00 1. A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as: a. Syncline b. Composite cone c. Anticline d. none of these 1. A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as: a. Syncline b. Composite cone c. Anticline d. none of these 2. The solidified lava of a volcano belongs to which rock family? a. igneous b. metamorphic c. sedimentary d. fossilized 2. The solidified lava of a volcano belongs to which rock family? a. igneous b. metamorphic c. sedimentary d. fossilized 3. What percentage of the atmosphere does O2 comprise? a. 75% b. 50% c. 21% d. 32% earth's 3. What percentage of the atmosphere does O2 comprise? a. 75% b. 50% c. 21% d. 32% earth's 4. What gas makes up the majority of our atmosphere? a. carbon dioxide b. oxygen c. nitrogen d. hydrogen 4. What gas makes up the majority of our atmosphere? a. carbon dioxide b. oxygen c. nitrogen d. hydrogen 5. While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? a. carbon dioxide and sulfur b. nitrogen and oxygen c. water vapor and carbon dioxide d. sulfur and nitrogen 5. While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? a. carbon dioxide and sulfur b. nitrogen and oxygen c. water vapor and carbon dioxide d. sulfur and nitrogen 6.Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? a. oxygen and hydrogen b. ozone and methane c. nitrous oxide and sulfur dioxide d. methane and carbon dioxide 6.Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? a. oxygen and hydrogen b. ozone and methane c. nitrous oxide and sulfur dioxide d. methane and carbon dioxide 7. Igneous rocks that form from magma are known as: a. minerals b. granite c. intrusive rocks d. extrusive rocks 7. Igneous rocks that form from magma are known as: a. minerals b. granite c. intrusive rocks d. extrusive rocks 8. Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? a. fluorocarbons b. smog c. acid rain d. ozone 8. Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? a. fluorocarbons b. smog c. acid rain d. ozone 9. What is the name of the phenomenon that causes an accumulation of heat in the lower atmosphere because of the absorption of longwave radiation from the Earth's surface? G_ _ _ _ _ o _ _ _ E_ _ _ c_ 9. What is the name of the phenomenon that causes an accumulation of heat in the lower atmosphere because of the absorption of longwave radiation from the Earth's surface? Greenhouse Effect 10. The main reason why one can possibly walk barefoot on a red-hot wooden coals without burning the feet is A. the low thermal conductivity of coal. B. the high temperature of coal. C. the low temperature of coal. D. the stepping techniques. 10. The main reason why one can possibly walk barefoot on a red-hot wooden coals without burning the feet is A. the low thermal conductivity of coal. B. the high temperature of coal. C. the low temperature of coal. D. the stepping techniques. 11. Which of the following characterizes water? A. Water releases only heat quickly. B. Water releases and gains heat quickly. C. Water releases and gains heat slowly. D. Water gains only heat slowly. 11. Which of the following characterizes water? A. Water releases only heat quickly. B. Water releases and gains heat quickly. C. Water releases and gains heat slowly. D. Water gains only heat slowly. 12. What component of hard water makes it “hard”? A. sodium and nitrogen B. oxygen and hydrogen C. large amounts of calcium and magnesium ions D. large amounts of sodium and carbon dioxide 12. What component of hard water makes it “hard”? A. sodium and nitrogen B. oxygen and hydrogen C. large amounts of calcium and magnesium ions D. large amounts of sodium and carbon dioxide 13. What is the hardest mineral on Mohs Hardness Scale? a. Talc b. Calcite c. Quartz d. Diamond 13. What is the hardest mineral on Mohs Hardness Scale? a. Talc b. Calcite c. Quartz d. Diamond 14. Why are fossil fuels are considered as nonrenewable resources? a. Fossil fuels are broken down by processes faster than they form. b. We are depleting fossil fuel much faster than they form. c. The fossil fuels being formed today are deep under the ocean, where they cannot be reached. d. The only fossil fuels being produced are methane hydrates, which we cannot use yet. 14. Why are fossil fuels are considered as nonrenewable resources? a. Fossil fuels are broken down by processes faster than they form. b. We are depleting fossil fuel much faster than they form. c. The fossil fuels being formed today are deep under the ocean, where they cannot be reached. d. The only fossil fuels being produced are methane hydrates, which we cannot use yet. 15. The densest layer of Earth is a. crust b. core c. lithosphere d. mantle . 15. The densest layer of Earth is a. crust b. core c. lithosphere d. mantle . 16. Which is NOT a physical property of minerals? a. crystal structure b. smell c. hardness d. color 16. Which is NOT a physical property of minerals? a. crystal structure b. smell c. hardness d. color 17. What are the three types of rocks? a. sedimentary, igneous, metamorphic b. molten, sedimentary, minerals c. silicate, carbonate, oxide 17. What are the three types of rocks? a. sedimentary, igneous, metamorphic b. molten, sedimentary, minerals c. silicate, carbonate, oxide 18. ________ is used to describe the wise management of natural resources. a. Conservation b. Biodiversity c. Global warming d. Biological magnification 18. ________ is used to describe the wise management of natural resources. a. Conservation b. Biodiversity c. Global warming d. Biological magnification 19. Acid rain, ozone, and smog are all examples of . a. primary pollutants b. secondary pollutants 19. Acid rain, ozone, and smog are all examples of . a. primary pollutants b. secondary pollutants 19. Acid rain, ozone, and smog are all examples of . a. primary pollutants b. secondary pollutants 20. What is a resource that can be replaced relatively quickly by natural processes? a. nonrenewable resources b. depleted resources c. material resources d. renewable resources 20. What is a resource that can be replaced relatively quickly by natural processes? a. nonrenewable resources b. depleted resources c. material resources d. renewable resources 21. What do we call the point where an earthquake starts? a. epicenter b. target c. focus d. fault 21. What do we call the point where an earthquake starts? a.epicenter b. target c. focus d. fault 22. How does the atmosphere help support life on Earth? a. providing oxygen b. protecting from solar radiation c. regulating the temperature d. all of the above 22. How does the atmosphere help support life on Earth? a. providing oxygen b. protecting from solar radiation c. regulating the temperature d. all of the above 23. Continental crust is _______________. a. denser and more rigid than oceanic crust. b. floating on top of the oceanic crust. c. thicker than oceanic crust. d. younger than the oceanic crust. 23. Continental crust is _______________. a. denser and more rigid than oceanic crust. b. floating on top of the oceanic crust. c. thicker than oceanic crust. d. younger than the oceanic crust. 24. The process by which CO2 dissolves in water and is released from water to the atmosphere is known as a. photosynthesis. b. respiration. c. diffusion. d. sedimentation. 24. The process by which CO2 dissolves in water and is released from water to the atmosphere is known as a. photosynthesis. b. respiration. c. diffusion. d. sedimentation. 25. The seas are still rising. Many researchers accept that the cause is a. glaciers getting bigger. b. lower temperatures on Earth's surface. c. ocean water getting more dense. d. global warming. 25. The seas are still rising. Many researchers accept that the cause is a. glaciers getting bigger. b. lower temperatures on Earth's surface. c. ocean water getting more dense. d. global warming. 26. Animals that live in a benthic environment live in what part of the ocean? a. blue water b. the sky c. on a boat d. sea floor 26. Animals that live in a benthic environment live in what part of the ocean? a. blue water b. the sky c. on a boat d.sea floor 27. The primitive atmosphere of Earth was deficient in free oxygen. What process was primarily responsible for the development of the present percentage of free oxygen in the Earth’s atmosphere? a. outgassing b. photosynthesis c. volcanic eruptions d. oxidation of iron-based minerals 27. The primitive atmosphere of Earth was deficient in free oxygen. What process was primarily responsible for the development of the present percentage of free oxygen in the Earth’s atmosphere? a. outgassing b. photosynthesis c. volcanic eruptions d. oxidation of iron-based minerals 28.Which of the following human activities reduces the level of ozone in the atmosphere? a. using artificial lighting in scientific polar stations b. using large banks of solar cells for energy production c. releasing chlorofluorocarbons from aerosol cans d. destroying large areas of the equatorial rain forests 28.Which of the following human activities reduces the level of ozone in the atmosphere? a. using artificial lighting in scientific polar stations b. using large banks of solar cells for energy production c. releasing chlorofluorocarbons aerosol cans from d. destroying large areas of the equatorial rain forests 29. Earth’s atmosphere is divided into layers that are based upon their a. water content. b. relative humidity. c. gas content. d. temperature gradient. 29. Earth’s atmosphere is divided into layers that are based upon their a. water content. b. relative humidity. c. gas content. d. temperature gradient. 30. Which of these could increase average global temperatures? a. increased use of fossil fuels b. increased ocean algal blooms c. decreased carbon dioxide emissions d. increased numbers of animal species 30. Which of these could increase average global temperatures? a. increased use of fossil fuels b. increased ocean algal blooms c. decreased carbon dioxide emissions d. increased numbers of animal species 31. The Richter scale measures which of the following earthquake characteristics? a. intensity b. magnitude c. frequency d. probability 31. The Richter scale measures which of the following earthquake characteristics? a. intensity b. magnitude c. frequency d. probability 32. When a layer of cool air at the surface of Earth is found under a layer of warmer air above it, the result is known as a. the Coriolis effect. b. the greenhouse effect. c. a temperature inversion. d. an upwelling. 32. When a layer of cool air at the surface of Earth is found under a layer of warmer air above it, the result is known as a. the Coriolis effect. b. the greenhouse effect. c. a temperature inversion. d. an upwelling. 33. Which of the following statements best describes how the planets of the solar system formed? a. They are condensed rings of matter thrown off by the young Sun. b. They are the remains of an exploded star once paired with the Sun. c. The Sun captured them from smaller, older nearby stars. d. They formed from a nebular cloud of dust and gas. 33. Which of the following statements best describes how the planets of the solar system formed? a. They are condensed rings of matter thrown off by the young Sun. b. They are the remains of an exploded star once paired with the Sun. c. The Sun captured them from smaller, older nearby stars. d. They formed from a nebular cloud of dust and gas. 34. As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms? A hydrogen and helium B nitrogen and carbon C silicon and lithium D uranium and radium 34. As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms? A hydrogen and helium B nitrogen and carbon C silicon and lithium D uranium and radium 35. Which type of volcano would be the least explosive? A cinder cone B stratovolcano C shield volcano D composite cone 35. Which type of volcano would be the least explosive? A cinder cone B stratovolcano C shield volcano D composite cone 36. Stars begin their life cycle in A a black hole. B a nova. C a nebula. D a supernova. 36. Stars begin their life cycle in A a black hole. B a nova. C a nebula. D a supernova. 38. Shifts in Earth’s continents most likely caused a change in Earth’s a.climatic regions. b. mass. orbital c. velocity. d. atmospheric temperature. 39. From Earth’s atmosphere, carbon dioxide is used by plants, algae, and cyanobacteria during the process of A photosynthesis. B respiration. C decomposition. D nitrogen fixation. 39. From Earth’s atmosphere, carbon dioxide is used by plants, algae, and cyanobacteria during the process of A photosynthesis. B respiration. C decomposition. D nitrogen fixation. 40. Which of these effects generally occurs as the result of a warm air mass and a cooler air mass converging at Earth’s surface? a. The sky becomes clear. b. Winds die down. c. Cloud formation decreases. d. Stormy weather patterns develop. 40. Which of these effects generally occurs as the result of a warm air mass and a cooler air mass converging at Earth’s surface? a. The sky becomes clear. b. Winds die down. c. Cloud formation decreases. d. Stormy weather patterns develop. GOOD LUCK PADAYON!