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NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS
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Assertion (A): Substances soluble in lipids diffuse through the membrane slower.
Reason (R):The diffusion rate depends on the size of substances, smaller molecules diffuse faster.
Reason (R):The diffusion rate depends on the size of substances, smaller molecules diffuse faster.
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Correct option: C
(A) is true but (R) is false
Option C ((A) is true but (R) is false) is correct because substances soluble in lipids diffuse faster, and the diffusion rate depends on both size and lipid solubility, not just size.
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I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?
I. Root pressure provides a light push in the overall process of water transport
II. Root pressure causes the flow of water faster through xylem than it can be lost by transportation
III. In symplast pathway, water move exclusively through the cell wall and intercellular spaces
IV. Guttation is a cause of transpiration pull
V. Most plants fulfill their water requirement by transpiration pull Rate of imbibition is more in?