Stomata and Functions MCQs Quiz Online PDF Download

Learn stomata and functions MCQs, O level biology test for online courses learning and test prep to practice. Nutrition in plants quiz has multiple choice questions (MCQ), stomata and functions quiz questions and answers to learn for Cambridge international IGCSE online tests.

IGCSE biology practice test MCQ on guard cells of stoma are with options irregular in shape, convex in shape, long and cylindrical in shape and kidney-shaped problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning stomata and functions quiz with MCQs to practice test questions with answers.

MCQs on Stomata and Functions Quiz PDF Download

MCQ. Guard cells of stoma are

  1. irregular in shape
  2. convex in shape
  3. long and cylindrical in shape
  4. kidney-shaped


MCQ. Leaf may absorb maximum light due to

  1. strong petiole
  2. strong turgor pressure in xylem
  3. strong turgor pressure in mesophyll cells
  4. closed stomata


MCQ. Stomatal guard cells perform all functions but

  1. producing sugars
  2. protecting the inner regions of leaf
  3. regulating the amount of water lost
  4. chloroplast storage


MCQ. Closed stomata reduce

  1. rate of transpiration
  2. amount of carbon dioxide entering in the leaf
  3. the rate of respiration
  4. both A and B


MCQ. Plant wilts when leaf

  1. looses its central nucleus
  2. looses its central vacuoles
  3. looses its turgor pressure
  4. exposed to strong wind