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Q. No.Given below are two statements:
Assertion (A):
Cell wall is not barrier to movement of small molecules.
Reason (R):
Cell wall is freely permeable to water and other substances in a solution.
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
Subtopic: Osmosis |
74%
From NCERT
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Given below are two statements:
| Assertion (A): | Plant cell does not rupture in a hypotonic solution. |
| Reason (R): | Plant cell is surrounded by a rigid cell wall. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Plasmolysis |
76%
From NCERT
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Given below are two statements:
| Assertion (A): | Imbibition is a type of diffusion. |
| Reason (R): | In imbibition, movement of water is along the concentration gradient. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Imbibition |
77%
From NCERT
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Given below are two statements:
| Assertion (A): | Seeds can easily absorb water by imbibition. |
| Reason (R): | Seeds have no water & imbibition takes place against the concentration gradient. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Imbibition |
From NCERT
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Given below are two statements:
| Assertion (A): | The movement of water in the symplastic pathway is relatively slower. |
| Reason (R): | During symplastic movement, the water travels through the cytoplasm of the cell and enter the cells through the cell membrane. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Water Absorption |
85%
From NCERT
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Given below are two statements:
| Assertion (A): | In apoplast pathway, Cortical cells in the root do not offer any resistance to movement of water. |
| Reason (R): | In root, cortical cells are loosely packed. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Water Absorption |
82%
From NCERT
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Given below are two statements:
| Assertion (A): | Endodermis of root is impervious to water. |
| Reason (R): | Root endodermis has a band of suberised matrix called as casparian strips. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Water Absorption |
86%
From NCERT
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Given below are two statements:
| Assertion (A): | Water from stomata diffuses into the surrounding air. |
| Reason (R): | There is lower concentration of water in the atmosphere as compared to sub-stomatal cavities. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Transpiration & Guttation |
85%
From NCERT
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In which of the following conditions, \(\psi_{w}\) of a solution will increase.
a. Dilution the solution
b. Addition of solutes
c. Applying pressure greater than atmospheric pressure
1. a, b and c all
2. a and b only
3. b and c only
4. a and c only
a. Dilution the solution
b. Addition of solutes
c. Applying pressure greater than atmospheric pressure
1. a, b and c all
2. a and b only
3. b and c only
4. a and c only
Subtopic: Water Potential Concept |
69%
From NCERT
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A mature corn plant of 750 gm weight absorbs approx how much litres of water in a day?
1. 3 litres
2. 14 litres
3. 750 litres
4. 1000 litres
1. 3 litres
2. 14 litres
3. 750 litres
4. 1000 litres
Subtopic: Plant Water Relations: Reverse Osmosis & Water potential: 1 |
68%
From NCERT
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