Photosynthesis Quiz Quiz

10 multiple choice questions

1. What gas do plants absorb during photosynthesis?

A) Carbon dioxide (CO2) B) Oxygen C) Nitrogen D) Hydrogen

2. What do plants produce during photosynthesis?

A) Carbon dioxide and water B) Glucose and oxygen C) Water and nitrogen D) ATP and nitrogen

3. Photosynthesis takes place in which part of the plant cell?

A) Mitochondria B) Nucleus C) Chloroplasts D) Cell wall

4. What is the role of chlorophyll in photosynthesis?

A) It absorbs light energy B) It stores water C) It produces glucose D) It releases oxygen

5. The overall equation for photosynthesis is:

A) O2 + glucose -> CO2 + H2O + energy B) CO2 + H2O + light -> glucose + O2 C) CO2 + H2O + light energy -> glucose + O2 D) Glucose + O2 -> CO2 + H2O + energy

6. The light-dependent reactions of photosynthesis occur in the:

A) Stomata B) Nucleus C) Thylakoid membranes D) Stroma

7. Which scientist is credited with discovering photosynthesis?

A) Jan Ingenhousz B) Aristotle C) Einstein D) Darwin

8. Stomata are openings in leaves that:

A) Allow gas exchange (CO2 in, O2 out) B) Absorb light only C) Store water D) Produce glucose

9. The Calvin cycle (light-independent reactions) produces:

A) Glucose B) Oxygen C) Carbon dioxide D) Water

10. Which factor is NOT needed for photosynthesis?

A) Soil B) Light C) Carbon dioxide D) Water

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