Photosynthesis Importance MCQs Quiz Worksheet PDF Download

Learn photosynthesis importance MCQs, science test for online course learning and test prep to practice. Plant photosynthesis and respiration quiz questions has multiple choice questions (MCQ), photosynthesis importance test to learn for 6th grade science test prep.

Science practice test MCQ on photosynthesis increases concentration of oxygen in air, which is necessary for all with options living organism, fossils, birds only and animals problem solving skills for competitive exam, viva prep, interview questions with answer key. Free science revision notes to learn photosynthesis importance quiz with MCQs to find questions answers based online learning tests.

MCQs on Photosynthesis Importance Quiz PDF Download

MCQ. Photosynthesis increases 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 concentration of carbon dioxide in air and other harmful wastes, this increases 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