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