Science Quiz – Test 9
Science quiz, test 9 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 81
What is the most common isotope of hydrogen found in nature?
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Correct answer: Protium
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Question 82
What is the term for the process by which living organisms convert food into energy at the cellular level?
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Correct answer: cellular respiration
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Question 83
What is the name of the process by which plants lose water vapor through small openings in their leaves?
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Correct answer: Transpiration
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Question 84
What is the powerhouse of the cell that generates energy in the form of ATP?
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Correct answer: Mitochondria
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Question 85
What is the process by which water vapor is released from plants into the atmosphere?
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Correct answer: Transpiration
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Question 86
What is the name of the process by which certain organisms, specifically some bacteria and archaea, derive energy from inorganic compounds instead of sunlight or organic materials?
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Correct answer: Chemosynthesis
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Question 87
What is the basic unit of life that can perform all life processes?
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Correct answer: Cell
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Question 88
What is the name of the process by which living organisms produce energy through the breakdown of glucose in the presence of oxygen?
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Correct answer: Cellular respiration
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Question 89
What is the smallest unit of an element that retains the properties of that element?
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Correct answer: Atom
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Question 90
What is the chemical formula for the primary pigment in photosynthesis, chlorophyll a?
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Correct answer: C55H72MgN4O5