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Home ‣ Biotechnology ‣ Nitrogen Fixation and Photosynthesis Comments
  • Question

  • Chlorophyll is associated with


  • Options
  • A. thylakoids
  • B. stroma
  • C. cristae
  • D. matrix

  • Correct Answer
  • thylakoids 

    • Nitrogen Fixation and Photosynthesis problems

    Search Results

    • 1. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

    • Options
    • A. Nitrospina
    • B. Nitrobacter
    • C. Nitrosococcus
    • D. Nitrosobacter
      • Discuss
    • 2. During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

    • Options
    • A. 12 ATP
    • B. 18 ATP
    • C. 25 ATP
    • D. 7 ATP
      • Discuss
    • 3. Which of the following molecule is produced from the fixation of CO2 in C4 plants?

    • Options
    • A. Malate
    • B. Oxaloacetate
    • C. Pyruvate
    • D. Alpha-ketoglutarate
      • Discuss
    • 4. What is the metal ligand in chlorophylls?

    • Options
    • A. Copper (Cu)
    • B. Iron (Fe)
    • C. Magnesium (Mg)
    • D. Manganese (Mn)
      • Discuss
    • 5. In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

    • Options
    • A. Erythrose-4-phosphate
    • B. Ribulose-l,5-diphosphate
    • C. Ribose-5-phosphate
    • D. Alpha-ketoglutarate
      • Discuss
    • 6. Organisms capable of converting N2 to NO3 are

    • Options
    • A. yeasts
    • B. bacteria
    • C. roundworms
    • D. moulds
      • Discuss
    • 7. The chief source of nitrogen for green plants is

    • Options
    • A. atmospheric nitrogen
    • B. nitrates
    • C. ammonium salts
    • D. low molecular weight- organic nitrogenous compound
      • Discuss
    • 8. In the presence of carbon monoxide, nitrogen fixation

    • Options
    • A. increases
    • B. decreases
    • C. inhibits
    • D. none of these
      • Discuss
    • 9. Nitrosomonous and Nitrobacter obtain their carbon for growth from

    • Options
    • A. organic compounds
    • B. carbon dioxide
    • C. elementary carbon
    • D. none of these
      • Discuss
    • 10. What type of long chain alcohol is esterified to plant chlorophyll molecules?

    • Options
    • A. Dolichol
    • B. Farnesol
    • C. Phytol
    • D. None of these
      • Discuss

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