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