Limiting factors MCQs Quiz Online PDF Download

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MCQs on Limiting factorsQuiz PDF Download

MCQ: Primary factors controlling rate of photosynthesis are known as

  1. inhibiting factors
  2. limiting factors
  3. expediting factors
  4. supporting factors


MCQ: Under natural conditions, atmospheric carbon dioxide (CO2) remains stable at

  1. 0.03%
  2. 0.06%
  3. 0.13%
  4. 0.16%


MCQ: Increase in temperature from 20 to 30 °C, causes

  1. a boost in rate of photosynthesis
  2. a drop in the rate of photosynthesis
  3. stability in the rate of photosynthesis
  4. a limiting factor on photosynthesis


MCQ: Photolysis of 12 water molecules result in

  1. 6 atoms of hydrogen
  2. 12 atoms of hydrogen
  3. 18 atoms of hydrogen
  4. 24 atoms of hydrogen


MCQ: Higher light wave length, the

  1. more the energy of a photon
  2. lesser the energy of a photon
  3. lesser the energy of the protons
  4. lesser the energy of positron