Photosynthesis Importance MCQs Quiz Worksheet PDF Download

Practice photosynthesis importance MCQs in science quiz for online learning test. Plant photosynthesis and respiration quiz questions has multiple choice questions (MCQ), photosynthesis importance test to practice as photosynthesis increases concentration of oxygen in air, which is necessary for all. Answer key help with choices as living organism, fossils, birds only and animals problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice photosynthesis importance quiz with MCQs to find questions answers based online learning tests.

MCQs on Photosynthesis Importance Quiz PDF Download

MCQ. Photosynthesis increases the concentration of oxygen in air, which is necessary for all

  1. living organism
  2. fossils
  3. birds only
  4. animals

A

MCQ. Glucose and oxygen combine to form carbon dioxide and water plus

  1. oxygen
  2. energy
  3. neon
  4. nitrous oxide

B

MCQ. Photosynthesis decreases the concentration of carbon dioxide in air and other harmful wastes, this increases the purification of respiratory disease for

  1. none of them
  2. living beings
  3. only plants
  4. only animals

B

MCQ. Plant products like timber, rubber, herbs, medicines resin and oils are derived from

  1. respiration
  2. photosynthesis
  3. processing
  4. transpiration

B

MCQ. All animals need oxygen and most of this oxygen comes from

  1. roots
  2. plants
  3. stem
  4. pollen grain

B