NEET UG BIOLOGY MCQ: TRANSPORT IN PLANTS

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Assertion (A): Buds obtain energy for their growth and development of photosynthetic apparatus from sugars stored in roots.

Reason (R): Source and sink relationship in phloem transport is reversible based on plant's needs.

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Correct option: A

Both (A) and (R) are true and (R) is the correct explanation of (A)

Option A (Both (A) and (R) are true and (R) is the correct explanation of (A)) is correct because buds rely on stored sugars, and the source-sink relationship is indeed reversible based on the plant's needs.

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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?