Plant Photosynthesis and Respiration Multiple Choice Questions 1 PDF Download

Practice plant photosynthesis and respiration MCQs, grade 6 science test 1 for online courses learning and test prep, photosynthesis for kids multiple choice questions and answers. Photosynthesis for kids revision test includes science worksheets to learn.

Science multiple choice questions (MCQ) on light is absorbed by some substances, these substances are known as with options surface, pigment, vein and salk, photosynthesis for kids quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn 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