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NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS
1
Medium
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Understanding
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Study the following statements
I. Most minerals must enter the roots by active absorption into cytoplasm and epidermal cells
II. Ions are absorbed by both passive and active transport
III. Active absorption does not require energy
IV. Active uptake of ions is responsible for osmosis
Choose the correct option in reference to the statements given above
I. Most minerals must enter the roots by active absorption into cytoplasm and epidermal cells
II. Ions are absorbed by both passive and active transport
III. Active absorption does not require energy
IV. Active uptake of ions is responsible for osmosis
Choose the correct option in reference to the statements given above
View answer and explanation
Correct option: B
I, II and IV are correct and III is incorrect
Option A (I and II are correct and III and IV are incorrect) is correct because minerals enter roots by active absorption, ions are absorbed by both passive and active transport, active absorption requires energy, and active uptake of ions does not directly cause osmosis.
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Study the following statement and choose the correct option(s) from the codes from below
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?