NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS

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Which of the following statements is incorrect?
(i) Less than 1 per cent of the water reaching the leaves is used in photosynthesis.
(ii) Most of the water flow in the roots occurs via the apoplast pathway.
(iii) Suction through a straw is an example of positive hydrostatic pressure.
(iv) Turgor pressure is responsible for enlargement and extension growth of cells.

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Correct option: C

Only (iv)

Option B (Only (ii)) is correct because statement (ii) is incorrect. Most of the water flow in the roots occurs via the symplast pathway, not the apoplast pathway due to the Casparian strip.

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Water rises in the stem due to Herbaceous plants have only about ____% of its fresh weight as dry matter? Wilting occurs when Munch hypothesis is based on 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?