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What is Photosynthesis? - Exam
Contributed by: Flynn
  • 1. What is the primary purpose of photosynthesis?
A) To absorb nutrients from soil.
B) To generate heat energy.
C) To convert light energy into chemical energy.
D) To produce carbon dioxide.
  • 2. What pigment is primarily responsible for capturing light energy in plants?
A) Xanthophyll.
B) Carotene.
C) Chlorophyll.
D) Melanin.
  • 3. What is the light-dependent reaction of photosynthesis primarily concerned with?
A) Converting light into chemical energy.
B) Synthesis of glucose.
C) Water absorption.
D) Oxygen production only.
  • 4. Which molecule is a primary energy carrier produced in photosynthesis?
A) ADP.
B) GTP.
C) ATP.
D) NADH.
  • 5. Photosynthesis occurs in which two main stages?
A) Light-dependent reactions and Calvin cycle.
B) Dark reactions and aerobic respiration.
C) Glycolysis and Krebs cycle.
D) Cellular respiration and fermentation.
  • 6. What is the role of water in photosynthesis?
A) To provide electrons and protons.
B) To absorb sunlight.
C) To transport nutrients.
D) To produce glucose directly.
  • 7. Where in the chloroplast does the Calvin cycle take place?
A) Outer membrane.
B) Thylakoid membrane.
C) Inner membrane.
D) Stroma.
  • 8. Which energy source drives photosynthesis?
A) Electricity.
B) Sunlight.
C) Heat.
D) Nuclear energy.
  • 9. Which process do plants use to create glucose from carbon dioxide and water?
A) Digestion.
B) Photosynthesis.
C) Transpiration.
D) Respiration.
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