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