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Water enters from soil into the root hairs due to
Options
(a) turgor pressure of root hair
(b) osmotic pressure of root hair
(c) suction pressure
(d) diffusion pressure
Correct Answer:
suction pressure
Explanation:
D.P.D. (diffusion pressure deficity) is the amount by which the diffusion pressure of a solution is lower than that of its pure solvent. The DPD of a cell denotes the net pressure that causes water to enter cell. DPD = OP – WP and since WP = TP thus DPD = OP – TP. D.P.D is also known as suction pressure.
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Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Whose experiments cracked the DNA and discovered unequivocally that a genetic
- Storage of enzymes for the digestion of cellular components proteins and carbohydrates
- DNA associated with highly basic proteins is called
- Embryo sac is also known as
- The triplet UUU codes for
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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