Science Quiz – Test 7
Science quiz, test 7 of 15: 10 multiple-choice questions with answers. Try them, then play the interactive quiz on Zeno to earn XP.
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Question 61
What is the primary type of bond that holds the atoms together in a water molecule?
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Correct answer: Covalent bond
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Question 62
What is the process by which a liquid changes into a gas at temperatures below its boiling point?
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Correct answer: Evaporation
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Question 63
What is the name of the process by which DNA is copied to produce a complementary RNA strand?
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Correct answer: Transcription
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Question 64
What is the primary gas produced during photosynthesis in plants?
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Correct answer: Oxygen
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Question 65
What is the name of the process by which an organism converts nitrogen gas from the atmosphere into a form usable by living organisms in the soil?
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Correct answer: Nitrogen fixation
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Question 66
What is the name of the process by which certain bacteria utilize sulfur compounds as an energy source in the absence of sunlight?
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Correct answer: Chemolithoautotrophy
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Question 67
What is the process called when water is absorbed by plant roots and subsequently released as water vapor through small openings in the leaves?
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Correct answer: Transpiration
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Question 68
What is the primary pigment responsible for the green color in plants and plays a critical role in photosynthesis?
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Correct answer: Chlorophyll
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Question 69
What is the name of the process by which plants absorb light energy using chlorophyll?
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Correct answer: Photosynthesis
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Question 70
What is the primary source of energy for the Earth's ecosystem?
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Correct answer: The Sun