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NEET Practice Questions (MCQs) with Answers & Solutions

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All Physics Chemistry Botany Zoology

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Cell wall is

A. Freelly permeable B. Impermeable C. Semipermeable D. Selectively permeable

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Explanation

11.2.2 Osmosis

Page number-179

Transport in Plants

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In plant cell

A. Solute potential is contributed by cytoplasm B. Solute potential is contributed by cytoplasm and as well as vacuolar sap C. Solute potential is because of vacuolar sap only D. Solute potential is caused by nucleoplasm

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Explanation

11.2.2 Osmosis

Page number-180

Transport in Plants

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In plant cell, which of the following is important determinants of movement of molecules in or out of the cell?

A. Cell wall B. Cell membrane C. Tonoplast D. Both B and C

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Explanation

11.2.2 Osmosis

Page number-180

Transport in Plants

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Osmosis

A. Diffusion of water across a differentially or selectively permeable membrane B. Diffusion of water across a semipermeable membrane C. Diffusion of water across a freely permeable membrane D. Both A and B

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Explanation

11.2.2 Osmosis

Page number-180

Transport in Plants

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The net direction and rate of osmosis depends upon

A. Pressure gradient B. Concentration gradient C. Chemical potential D. All of these

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Explanation

11.2.2 Osmosis

Page number-180

Transport in Plants

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The net movement of water is zero till

A. Dynamic equilibrium is reached B. Static equilibrium is reached C. One chamber has transported all the water molecules D. All of these

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Explanation

11.2.2 Osmosis

Page number-180

Transport in Plants

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Osmotic pressure is a function of

A. Osmotic potential B. Solute concentration C. Solvent amount D. Water potential

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Explanation

11.2.2 Osmosis

Page number-181

Transport in Plants

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Osmotic pressure is the

A. Pressure required to stop the water diffusing in B. Function of solute concentration C. More the solute, more is the pressure needed to stop endosmosis D. All of these

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Explanation

11.2.2 Osmosis

Page number-181

Transport in Plants

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Numerically osmotic pressure is equal to the

A. Osmotic potential B. Solute potential C. Both A and B but sign is opposite D. Pressure potential

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Explanation

11.2.2 Osmosis

Page number-181

Transport in Plants

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Isotonic solution is

A. A solution which is more concentrated than the cytoplasm B. A solution which is more dilute than the cytoplasm C. A solution which balances the osmotic pressure of the cytoplasm D. A solution which is less dilute than the cytoplasm

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Explanation

11.2.3 Plasmolysis

Page number-181

Transport in Plants

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