CBSE  /  Class 11  /  Biology  /  Photosynthesis in Higher Plants

  • 1. 
    Discovery of Emerson effect has already shown the

  • two distinct photochemical reactions
  • light and dark reactions of photosynthesis
  • photophosphorylation
  • photorespiration

  • 2. 
    Translocation of sugar in flowering plants occurs in the form of

  • glucose
  • sucrose
  • starch
  • maltose

  • 3. 
    Where are thylakoids and grana located?

  • Lysosomes
  • Mitochondria
  • Chloroplasts
  • Golgi apparatus

  • 4. 
    Who enunciated the law of limiting factor for photosynthesis?

  • Robert Emerson
  • Ruben
  • Blackman
  • Calvin

  • 5. 
    Which one of the following statement is true for ATP?

  • ATP is prosthetic part of an enzyme
  • ATP is an enzyme
  • ATP is organic ions of enzyme
  • ATP is a Co-enzyme

  • 6. 
    Kranz anatomy is a feature of

  • C3 plants
  • CAM plants
  • C4 plants
  • All of these

  • 7. 
    Which of the following is a 4-carbon compound?

  • Oxaloacetic acid
  • Phosphoglyceric acid
  • Ribulose biphosphate
  • Phosphoenolpyruvate

  • 8. 
    Which of the following process (C4 cycle) occurs in bundle sheath cells?

  • Regeneration
  • Fixation
  • Carboxylation
  • Decarboxylation

  • 9. 
    Light reactions of photosynthesis occurs in

  • stroma
  • thylakoid
  • grana
  • cytoplasm of cell

  • 10. 
    Water stress causes

  • opening of stomata
  • increase in metabolic rate
  • wilting of leaves
  • lesser availability of carbon dioxide
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