Plants have
1. Positive water potential when cells get turgor pressure
2. Negative water potential when water is transported up a stem
3. Negative pressure is developed in the cell due to turgor pressure
4. Both 1 and 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCell wall is
1. Freelly permeable
2. Impermeable
3. Semipermeable
4. Selectively permeable
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn plant cell, which of the following is important determinants of movement of molecules in or out of the cell?
1. Cell wall
2. Cell membrane
3. Tonoplast
4. Both 2 and 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOsmosis
1. Diffusion of water across a differentially permeable membrane
2. Diffusion of water across a semipermeable membrane
3. Diffusion of water across a freely permeable membrane
4. Both 1 and 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe net direction and rate of osmosis depends upon
1. Pressure gradient
2. Concentration gradient
3. Chemical potential
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApply concept of water potential and osmosis
Solution of which chamber has a lower solute potential?
(1) Chamber A
(2) Chamber B
(3) Both will have equal values
(4) Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApply concept of water potential and osmosis
In which direction will osmosis occur?
(1) From A to B
(2) From B to A
(3) No net osmosis
(4) Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApply concept of water potential and osmosis
Which chamber has lower solute potential at equilibrium?
1. Chamber A
2. Chamber B
3. Both will have equal values
4. Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApply concept of water potential and osmosis
If B chamber has water potential of -2000 kPa and the A has water potential of -1000kPa, which is the chamber that has the highest Water potential?
1. Chamber A
2. Chamber B
3. Both will have equal values
4. Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApply concept of water potential and osmosis
If two solutions, A with water potential 0.2 MPa and B with water potential 0.1 MPa are separated by a selectively permeable membrane, then what will be the direction of movement of water?
(1) From A to B
(2) From B to A
(3) No net osmosis
(4) Cannot be predicted
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology