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