Plant Photosynthesis and Respiration Multiple Choice Questions 1 PDF Download

Learn plant photosynthesis and respiration MCQs, grade 6 online science test 1, photosynthesis for kids multiple choice questions and answers. Photosynthesis for kids revision test has science worksheets, helping answer key with choices as surface, pigment, vein and salk of multiple choice questions (MCQ) with photosynthesis for kids quiz as light is absorbed by some substances, these substances are known as for competitive exam prep, viva interview questions. Free science study guide to practice photosynthesis for kids quiz to attempt multiple choice questions based test.

MCQs on Plant Photosynthesis and Respiration Quiz PDF Download Worksheets 1

MCQ. Light is absorbed by some substances, these substances are known as

  1. pigment
  2. surface
  3. vein
  4. Salk


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

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


MCQ. The chloroplast splits water molecules to release oxygen and add hydrogen to carbon atoms for the formation of

  1. Glucose
  2. Starch
  3. water
  4. sugar


MCQ. The rate of photosynthesis decreases because the enzymes are denatured at

  1. lower temperature
  2. higher temperature
  3. zero temperature
  4. none of them


MCQ. The tissues present in the leaf, under the upper epidermis and above the lower epidermis are known as

  1. mesophyll
  2. stoma
  3. stalk
  4. vein