Photosynthesis and Cellular Respiration Review

Carbon dioxide from cellular respiration is used by the plants for photosynthesis. What is produced during photosynthesis?

• Oxygen produced during respiration

• Oxygen produced during photosynthesis

• Carbon dioxide produced during respiration

• Carbon dioxide produced during photosynthesis

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NGSS.MS-LS1-6

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Which equation accurately represents the process of photosynthesis?

• Water + oxygen → carbon dioxide + glucose

• Water + carbon dioxide → oxygen + light

• Water + carbon dioxide → oxygen + glucose

• Water + glucose → carbon dioxide + energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following substances is a product generated by photosynthesis?

• Carbon dioxide

• Nitrogen

• Oxygen

• Water

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What is the primary reason organisms engage in photosynthesis?

• To absorb water

• To release oxygen

• To produce glucose

• To take in carbon dioxide

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NGSS.MS-LS1-6

During photosynthesis, chloroplasts in plant cells absorb solar energy. Which statement best illustrates how this process adheres to the law of conservation of energy?

• Light energy from the Sun converts to kinetic energy in plant cells.

• Light energy from the Sun converts to chemical energy in plant cells.

• Chemical energy from the Sun converts to light energy in plant cells.

• Chemical energy from the Sun converts to thermal energy in plant cells.

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NGSS.MS-LS1-6

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Why are plants essential to the carbon cycle?

• They do not release carbon dioxide during cellular respiration.

• They enable carbon to enter an ecosystem through photosynthesis.

• They host special bacteria in their root systems.

• They are chemically transformed into fossil fuels when burned.

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NGSS.MS-LS1-6

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Which statement is the most precise regarding carbon on Earth?

• There is a finite amount of carbon on Earth, circulating through living and nonliving entities in the carbon cycle.

• The carbon amount in the universe cycles, slowly increasing as it ascends the food chain and decreasing until the cycle resets.

• Carbon flows through the food chain as it is consumed by animals, then decomposes and is permanently removed from the system when the food chain concludes.

• Carbon enters Earth's atmosphere when animals exhale, then shifts into space, where its quantity gradually increases, before returning to Earth's atmosphere for reuse.

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NGSS.MS-LS1-6

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Carbon is stored in living things in various forms, such as sugar in plants. When plants decay, they lose mass. What occurs to the carbon that was stored in plants during decay?

• The carbon evaporates.

• The carbon is destroyed as the leaves decompose.

• The carbon is converted into nitrogen by soil bacteria.

• The carbon is transformed into carbon dioxide and released into the atmosphere.

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NGSS.MS-LS1-6

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Which statement regarding cellular respiration in both plants and animals is correct?

• Both require water to initiate cellular respiration.

• Both extract energy from glucose during cellular respiration.

• Both absorb carbon dioxide to break down glucose during cellular respiration.

• Both need chlorophyll to synthesize glucose before utilizing it in cellular respiration.

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NGSS.MS-LS1-6

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Which statement about cellular respiration is accurate?

• Oxygen is a waste product of cellular respiration in both plants and animals.

• Oxygen is a waste product of cellular respiration in plants but not in animals.

• Carbon dioxide is a waste product of cellular respiration in both plants and animals.

• Carbon dioxide is a waste product of cellular respiration in plants but not in animals.

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