Quiz  /  Photosynthesis Class 10 MCQ Questions With Answers

  • 1. 
    What is the name of the simple sugar that is produced in photosynthesis?

  • Sucrose
  • Dextrose
  • Glucose
  • Lactose

  • 2. 
    Which of the following is an example of a HETEROTROPH?

  • Grass
  • Algae
  • Lemon Tree
  • Bear

  • 3. 
    What can change shape to open and close the stoma?

  • guard cells
  • xylem
  • phloem
  • vascular bundle

  • 4. 
    What molecule absorbs sunlight for photosynthesis?

  • chloroplast
  • thylakoid
  • grana
  • chlorophyll

  • 5. 
    What leaf structure prevents water loss?

  • spongy mesophyll
  • cuticle
  • stoma
  • phloem

  • 6. 
    What is the pigment in chloroplasts that performs photosynthesis?

  • Chlorosynthesis
  • Chlorophyll
  • ADP
  • Electron Transport

  • 7. 
    Which of the following go through the process of photosynthesis?

  • bees
  • algae
  • humans
  • mushrooms

  • 8. 
    What are the products of photosynthesis?

  • water and carbon dioxide
  • oxygen and glucose
  • oxygen and carbon dioxide
  • oxygen and water

  • 9. 
    What process occurs when light energy is captured in autotrophs and converted into sugar?

  • Photosynthesis
  • Cellular Respiration

  • 10. 
    What is the ultimate ORIGINAL source of energy for living things

  • Sugar
  • Sun
  • Moon
  • Carbon Dioxide

  • 11. 
    Which gas is removed from the atmosphere during photosynthesis?

  • hydrogen
  • oxygen
  • nitrogen
  • carbon dioxide

  • 12. 
    What is the correct equation for photosynthesis?

  • C6H12O6 + 6O2 --> 6CO2 + 6H2O
  • 6CO2 + 6O2 --> C6H12O6  + 6H2O
  • 6CO2 + 6O2 --> 6H2O + C6H12O6
  • 6CO2 + 6H2O  -->  6O2 + C6H12O6

  • 13. 
    Which plant part absorbs water and nutrients?

  • Leaf
  • Stem
  • Roots
  • Flower

  • 14. 
    The important gases, carbon dioxide and oxygen, enter and leave the leaf through the

  • upper epidermis
  • phloem
  • stomata
  • guard cells

  • 15. 
    Carries water and minerals from roots to other parts of the plant

  • xylem
  • phloem
  • stoma
  • guard cell

  • 16. 
    After sugars are formed in photosynthesis, what structure do they travel through to reach the fruits of the plant?

  • xylem
  • cuticle
  • phloem
  • roots

  • 17. 
    What tissue contains cells where the majority of photosynthesis takes place?

  • spongy mesophyll
  • palisade mesophyll
  • upper epidermis
  • guard cells

  • 18. 
    Which product is "waste" and mostly released by the producer (plant)?

  • oxygen
  • carbon dioxide
  • sugar
  • glucose
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