Photosynthesis Fundamentals Quiz

What is the primary role of chlorophyll in photosynthesis?

• A) It absorbs water.

• B) It captures sunlight.

• C) It releases oxygen.

• D) It produces glucose.

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What is the main product of photosynthesis that provides energy for plants and other organisms?

• A) Oxygen

• B) Carbon dioxide

• C) Glucose

• D) Water

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Which of the following formulas represents the overall chemical equation for photosynthesis?

• A) 6CO2 + 6H2O → 6O2 + C6H12O6

• B) C6H12O6 + 6O2 → 6CO2 + 6H2O

• C) 6O2 + C6H12O6 → 6CO2 + 6H2O

• D) 6CO2 + C6H12O6 → 6O2 + 6H2O

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Why is sunlight necessary for photosynthesis?

• A) It helps plants to grow taller.

• B) It provides the initial energy that starts the cycle of photosynthesis.

• C) It increases the temperature for photosynthesis.

• D) It produces carbon dioxide.

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What gas is released as a by-product of photosynthesis?

• A) Nitrogen

• B) Carbon dioxide

• C) Oxygen

• D) Hydrogen

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What type of change occurs in photosynthesis?

• emotional

• chemical

• mixture

• physical

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What are the reactants in photosynthesis?

• gold (G)

• carbon dioxide (CO2)

• water (H2O)

• sunlight (radiant energy)

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The primary source of energy for planet Earth is sunlight. Since animals cannot absorb and use light directly, how do animals obtain energy?

• They obtain energy indirectly from photosynthesis in plants

• They eat other animals which make their own energy

• They eat mushrooms which grow in the dark

• They get energy from

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