Transport in Plants MCQs and Answer with FREE PDF

Transport in Plants MCQs 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 MCQs and Answer with FREE PDF Download

1 The ability of water to resist a pulling force is known as _________
(A) Tensile strength
(B) Surface tension
(C) Cohesion
(D) Capillarity

Answer:Tensile strength
2 In dorsiventral leaf, the number of stomata per unit area are generally
(A) Same on both surfaces
(B) More on lower surface
(C) More on upper surface
(D) Absent in upper surface

Answer:More on lower surface
3 In an isobilateral leaf the number of stomata per unit area is
(A) More on lower surface
(B) More on upper surface
(C) Same on both surfaces
(D) Absent in upper surface

Answer: Same on both surfaces
4 Water in plants is transported by or ascent of sap takes place through
(A) Root pressure
(B) Transpiration pull
(C) Diffusion pressure deficit
(D) Turgor pressure

Answer: Diffusion pressure deficit
5 Which ones do not show transpiration?
(A) Aquatic plants with floating leaves
(B) Aquatic submerged plants
(C) Plants growing in hilly areas
(D) Plants living in deserts

Answer: Aquatic submerged plants
6 Which of the following statements is not true?
(A) The Apoplastic movement of water occurs exclusively through the cell wall without crossing any membrane
(B) metaphase of mitosisand anaphase of meiosis II
(C) The symplastic pathway occurs from cell to cell through plasmodesmata
(D) Membrane permeability depends on the membrane composition as well as the chemical nature of the solute

Answer:Solute present in any cell increase the free energy of water or water potential
7 Which one of the following these is not related to guttation
(A) Water is given out in the form of droplets
(B) Water given out is impure
(C) Water is given out during night time
(D) Guttation is of universal occurrence

Answer: Guttation is of universal occurrence
8 Which of the following is not purpose of transpiration?
(A) Supplies water for photosynthesis
(B) Maintains shape and structure of plants
(C) Helps in translocation of sugar from source to sink
(D) Transports minerals from the soil to all parts of plants

Answer:Helps in translocation of sugar from source to sink
9 Cobalt chloride is blue in dry state .In contact with moisture it turns into
(A) Red
(B) Orange
(C) Pink
(D) Purple

Answer: Pink
10 If a cell gets reduced in size when placed in a solution, the solution is
(A) Isotonic
(B) Hypotonic
(C) Hypertonic
(D) Heterotonic

Answer: Hypertonic

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