Transport in Plants NEET Questions and Answer with FREE PDF

transport in plants neet 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 NEET Questions and Answer with FREE PDF Download

1 Two cells are contiguous. Cell a has osmotic pressure 10atm., turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm.,turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be
(A) No movement of water
(B) Equilibrium between the two
(C) Movement of water from cell A to B
(D) Movement of water from cell B to A

Answer:Movement of water from cell B to A
2 A cell devoid of cell wall will burst if immersed in
(A) Hypertonic solution
(B) Hypotonic solution
(C) Isotonic solution
(D) All of the above

Answer: Hypotonic solution
3 Absorption of water by roots is increased when
(A) Transpiration is increased
(B) Transpiration is decreased
(C) Photosynthesis is increased
(D) Photosynthesis is increased

Answer: Transpiration is increased
4 “Osmosis is the diffusion of a solution of a weaker concentration into a solution of a higher concentration when both are separated by a semi permeable membrane”. What is the error in this statement?
(A) The exact concentration is not indicated
(B) There is no mention of DPD
(C) The movement of water molecule is not specified
(D) The behaviour of semi permeable membrane is not specified

Answer:The movement of water molecule is not specified
5 When a cell is fully turgid which of the following will be zero?
(A) Turgor pressure
(B) Wall pressure
(C) Osmotic pressure
(D) DPD

Answer: DPD
6 Which of the following changes in the cell sap of the guard cells is responsible for keeping the stomata open during day time?
(A) Increase in osmotic pressure but decrease in turgor pressure
(B) Decrease in osmotic pressure but increase in turgor pressure
(C) Increase in both osmotic pressure and turgor pressure
(D) Decrease in both osmotic pressure and turgor pressure

Answer: Decrease in osmotic pressure but increase in turgor pressure
7 Root pressure is maximum when
(A) Transpiration is high and absorption is very low
(B) Transpiration is very low and absorption is high
(C) Both transpiration and photosynthesis is very high
(D) Both transpiration and photosynthesis is low

Answer: Transpiration is very low and absorption is high
8 Which of the following growth hormone is associated with stomatal movements?
(A) Auxin
(B) Gibberellins
(C) Abscissic acid
(D) Cytokinins

Answer:Abscissic acid
9 A field is generally watered in sufficient amounts water after the application of fertilizers to prevent ___________
(A) Plasmolysis
(B) Deplasmolysis
(C) Osmosis
(D) Diffusion

Answer:Plasmolysis
10 Which one of the following is not a characteristic of active transport?
(A) Highly selective
(B) Transport solutes
(C) Uphill transport
(D) Insensitive to inhibitors

Answer: Insensitive to inhibitors

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