Assertion :Water that enters into a plant cell through diffusion makes it turgid. Reason: Entry of water into the cell through diffusion develops wall pressure inside the cell.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Cell turgidity is due to turgor pressure. Turgor pressure is the pressure which develops in the confined part of an osmotic system due to osmotic entry of water into it. It is also called hydrostatic pressure or pressure potential. The force exerted by the cell wall over the protoplast is called wall pressure. Normally, wall pressure is equal and opposite to turgor pressure except when the cell becomes flaccid.

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Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

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H_{2}

H e

(1 + \frac{P b}{R T})

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