Limiting factors MCQs Quiz Online PDF Download

Learn limiting factors MCQs, O level biology test for learning online courses and test prep to practice. Nutrition in plants quiz has multiple choice questions (MCQ), limiting factors quiz questions and answers, conditions essential for photosynthesis, photolysis, stomata and functions, limiting factors tutorials for online current biology courses distance learning.

IGCSE biology practice test MCQ: primary factors controlling rate of photosynthesis are known as with choices inhibiting factors, limiting factors, expediting factors and supporting factors with question bank to practice classroom quizzes with textbook solutions and eBooks pdf download. 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 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