MCQ Questions on Transport In Plants

Biology is the study of life. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Ace up your preparation with the Objective Questions available on Transport In Plants and enhance your subject knowledge. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well in your exams.

MCQ Questions on Transport In Plants

1. The rate of transpiration will _________ if the atmospheric pressure is low
(a) Increase
(b) Decrease
(c) Stay unchanged
(d) Can’t be determined

Answer

Answer: (a) Increase


2. The main function of guard cells is to help with ____________
(a) Transpiration
(b) Guttation
(c) Transcription
(d) None of the above

Answer

Answer: (a) Transpiration


3. Transpiration is regulated by the movements of __________
(a) Parenchyma cells
(b) Guard cells
(c) Epithelial cells
(d) None of the above

Answer

Answer: (b) Guard cells


4. The steroid hormones easily pass through the plasma membrane through simple diffusion because they are _____
(a) Gaseous
(b) Carbon-based
(c) Water Soluble
(d) Lipid Soluble

Answer

Answer: (d) Lipid Soluble


5. Living cells placed in an isotonic solution tend to retain their shape and size. This is based on the principle of
(a) Diffusion
(b) Transpiration
(c) Osmosis
(d) None of the above

Answer

Answer: (c) Osmosis


6. Girdling around the trunk of a tree can cause it to ________ if it cannot regrow to bridge the wound
(a) Stop absorbing water
(b) Stop growing
(c) Die
(d) None of the above

Answer

Answer: (c) Die


7. Transport of food materials in higher plants occurs through
(a) Flowers
(b) Companion cells
(c) Tracheids
(d) Sieve elements

Answer

Answer: (d) Sieve elements


8. Nearly 90% of the flowering plants have __________
(a) Spores
(b) Mycorrhizae
(c) Naked seeds
(d) None of the above

Answer

Answer: (b) Mycorrhizae


9. The movement of materials from the leaves to other tissues of the plant is called _________
(a) Tropic movement
(b) Guttation
(c) Transpiration
(d) Translocation

Answer

Answer: (d) Translocation


10. The exudation of xylem sap drops on the edges of leaves is called
(a) Transpiration
(b) Guttation
(c) Condensation
(d) None of the above

Answer

Answer: (b) Guttation


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