NEET Biology question

Not in NEET syllabus

Statement 1: No energy expenditure takes place in the process of diffusion. Statement 2: Diffusion occurs along the concentration gradient, i.e. from a region of higher concentration to a region of lower concentration.

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

Answer: (B)

Solution

Both statements are independently correct: diffusion needs no metabolic energy (Statement 1), and it does occur spontaneously along a concentration gradient, from high to low concentration (Statement 2). However, Statement 2 describes the *direction* of diffusion, not the

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Question ID VK-127677