NEET Biology question

Statement 1: Washed beetroot slices, when kept in cold water, do not leak β-cyanin pigment outside the cell. Statement 2: The membrane is not (im)permeable to the pigment β-cyanin.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

In cold water, the plasma membrane of intact, healthy beetroot cells remains selectively permeable and does not allow the large, water-soluble pigment β-cyanin (betacyanin) to leak out of the vacuole/cell, so Statement 1 is true. This is

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Question ID VK-127678