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