Plant Photosynthesis and Respiration Multiple Choice Questions 1 PDF Download

Learn 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 for grade 6 science contest questions.

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

A

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. Chloroplast splits water molecules to release oxygen and add hydrogen to carbon atoms for formation of

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

D

MCQ. Rate of photosynthesis decreases because enzymes are denatured at

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

B

MCQ. Tissues present in leaf, under upper epidermis and above lower epidermis are known as

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

A