Transport in Plants Objective Type Questions and Answer with FREE PDF

transport in plants objective type questions and answer with free pdf are the most important part of all competitive medical entrance exams like neet, aiims, jipmer and other board exams.

Transport in Plants Objective Type Questions and Answer with FREE PDF Download

1 A cell placed in strong salt solution will shrink because
(A) Cytoplasm will disintegrate
(B) Cell wall gets broken due to mineral salts
(C) Salt water enters the cell
(D) Water comes out by Exosmosis

Answer: Water comes out by Exosmosis
2 Wilting in plants occurs when
(A) Phloem is blocked
(B) Xylem is blocked
(C) Cortical cells are blocked
(D) Pith is removed

Answer: Xylem is blocked
3 The rate of transpiration will _________ if the atmospheric pressure is low
(A) Increase
(B) Decrease
(C) Stay unchanged
(D) Can’t be determined

Answer: Increase
4 The main function of guard cells is to help with ____________
(A) Transpiration
(B) Guttation
(C) Transcription
(D) None of the above

Answer: Transpiration
5 Transpiration is regulated by the movements of __________
(A) Parenchyma cells
(B) Guard cells
(C) Epithelial cells
(D) None of the above

Answer:Guard cells
6 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: Lipid Soluble
7 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: Osmosis
8 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: Die
9 Transport of food materials in higher plants occurs through
(A) Flowers
(B) Companion cells
(C) Tracheids
(D) Sieve elements

Answer: Sieve elements
10 Nearly 90% of the flowering plants have __________
(A) Spores
(B) Mycorrhizae
(C) Naked seeds
(D) None of the above

Answer: Mycorrhizae

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