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