Limiting factors MCQs Quiz Online PDF Download

Practice limiting factors MCQs, O level biology MCQ test for online learning. Nutrition in plants quiz has multiple choice questions (MCQ), limiting factors quiz questions and answers to practice as primary factors controlling rate of photosynthesis are known as, answer key help with choices as inhibiting factors, limiting factors, expediting factors and supporting factors problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning limiting factors quiz with MCQs to practice test questions with answers.

MCQs on Limiting factors Quiz PDF Download

MCQ. Primary factors controlling the rate of photosynthesis are known as

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


MCQ. Under natural conditions, the 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. the rate of photosynthesis drops
  3. the rate of photosynthesis becomes stable
  4. acts as a limiting factor on photosynthesis


MCQ. Photolysis of 12 water molecules results in

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


MCQ. The higher the light wavelength, the

  1. more the energy of a photon
  2. lesser the energy of a photon
  3. energy of photon depends upon the weather
  4. lesser the energy of positron