NEET Biology question

Not in NEET syllabus

A cell dipped in 0.5 M sucrose solution has no effect, but when the same cell is dipped in 0.5 M NaCl solution, the cell will

(A)Increase in size
(B)Decrease in sizeCorrect
(C)Be turgid
(D)Get deplasmolysed

Answer: (B)

Solution

Since 0.5 M sucrose produces no net change, this solution is isotonic with the cell sap. NaCl, being an ionic compound, dissociates into Na⁺ and Cl⁻ ions in solution, so a 0.5 M NaCl solution has

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Question ID VK-127535