CBSE  /  Class 11  /  Biology  /  Photosynthesis in Higher Plants

  • 1. 
    The rate of photosynthesis is controlled by

  • the rate of light reaction
  • the rate of dark reaction
  • the rates of both light and dark reactions
  • none of the above

  • 2. 
    The end product of the Calvin cycle is ______.

  • RuBP
  • PGAL
  • PGA
  • ADP + NADP

  • 3. 
    The primary carbon dioxide acceptor in C4 cycle is

  • malic acid
  • phosphoenol pyruvate
  • rubisco
  • aspartic acid

  • 4. 
    The law of limiting factor was given by

  • Calvin
  • Blackman
  • Priestley
  • None of these

  • 5. 
    The metabolic pathway which produces carbohydrate is

  • Calvin cycle
  • Glycolysis
  • Cyclic electron pathway
  • Krebs cycle

  • 6. 
    Manganese is required in

  • Chlorophyll synthesis
  • Nucleic acid synthesis
  • Plant cell wall formation
  • Photolysis of water during photosynthesis

  • 7. 
    Oxidative phosphorylation refers to

  • Anaerobic production of ATP
  • The citric acid cycle production of ATP
  • Production of ATP by chemiosmosis
  • Alcoholic fermentation

  • 8. 
    Which of the following is not an accessory pigment?

  • Carotene
  • Chlorophyll a
  • Chlorophyll b
  • Xanthophyll

  • 9. 
    Besides water and CO

  • light
  • oxygen
  • NAD
  • mineral salt

  • 10. 
    In actively gro – wing young plants, the best data for estimating the rate of photosynthesis would be

  • ratio of oxygen evolved to carbon dioxide absorbed
  • increase in fresh weight
  • increase in dry weight
  • increase in carbohydrate
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