Biology Review: Photosynthesis, Cellular Respiration

What are the reactants of cellular respiration?

• carbon dioxide and water

• glucose and carbon dioxide

• the reactants of the electron transport chain

• oxygen and glucose

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During photosynthesis, plants convert sunlight energy into ___.

• chlorophyll

• pigment

• glucose (sugar)

• Oxygen

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Which of these takes place in plants? Select all that apply

• photosynthesis only

• cellular respiration only

• both photosynthesis and cellular respiration

• neither photosynthesis nor cellular respiration

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Which organelle is NOT correctly matched to its function?

• chloroplast = converts light energy into glucose

• mitochondria = converts sugars into ATP

• nucleus = contains genetic information

• plasma membrane = hard structure that prevents water from entering or leaving the cell

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What is an autotroph?

• organism that makes its own food

• organism that eats only plants

• organism that is a carnivore at the top of the food chain

• organism in the middle of a food chain

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Anaerobic respiration is respiration that takes place ___.

• in the presence of oxygen

• without oxygen

• in the presence of nitrogen

• without water

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Why is breathing necessary?

• to get oxygen into our body cells

• to get glucose into our body cells

• to exhale oxygen from our body cells

• to get carbon dioxide into our body cells

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What are the PRODUCTS of cellular respiration?

• oxygen and glucose

• carbon dioxide and glucose

• carbon dioxide and water

• oxygen and water

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Which pigment traps the light energy used in photosynthesis?

• melanin

• chlorophyll

• anthocyanin

• mesophyll

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Which of these best describes photosynthesis?

• light energy is converted into heat energy

• chemical energy is converted into electrical energy

• light energy is converted into electrical energy

• light energy is converted into chemical energy

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