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Photosynthesis
Photosynthesis Quiz Quiz
10 multiple choice questions
Q1: What gas do plants absorb during photosynthesis?
A) Carbon dioxide (CO2)
B) Oxygen
C) Nitrogen
D) Hydrogen
Q2: What do plants produce during photosynthesis?
A) Carbon dioxide and water
B) Glucose and oxygen
C) Water and nitrogen
D) ATP and nitrogen
Q3: Photosynthesis takes place in which part of the plant cell?
A) Mitochondria
B) Nucleus
C) Chloroplasts
D) Cell wall
Q4: 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
Q5: 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
Q6: The light-dependent reactions of photosynthesis occur in the:
A) Stomata
B) Nucleus
C) Thylakoid membranes
D) Stroma
Q7: Which scientist is credited with discovering photosynthesis?
A) Jan Ingenhousz
B) Aristotle
C) Einstein
D) Darwin
Q8: Stomata are openings in leaves that:
A) Allow gas exchange (CO2 in, O2 out)
B) Absorb light only
C) Store water
D) Produce glucose
Q9: The Calvin cycle (light-independent reactions) produces:
A) Glucose
B) Oxygen
C) Carbon dioxide
D) Water
Q10: Which factor is NOT needed for photosynthesis?
A) Soil
B) Light
C) Carbon dioxide
D) Water
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