Given below are two statements:
Assertion (A):
Water is often the limiting factor for plant growth and productivity.
Reason (R):
Plants have low demand of water.
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: Â Plant Water Relations: Water Potential: 2 |
 68%
Level 2: 60%+
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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: Â Imbibition |
 77%
Level 2: 60%+
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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: Â Imbibition |
Level 3: 35%-60%
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Subtopic: Â Plasmolysis |
 72%
Level 2: 60%+
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Subtopic: Â Plasmolysis |
 82%
Level 1: 80%+
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Stomata in angiosperms open and close due to:
1. Their genetic constitution
2. Effect of hormone
3. Changes of turgor pressure in guard cells
4. Pressure of gases inside the leaves
1. Their genetic constitution
2. Effect of hormone
3. Changes of turgor pressure in guard cells
4. Pressure of gases inside the leaves
Subtopic: Â Stomata |
 81%
Level 1: 80%+
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What is the primary form of sugar that is transported from the site of photosynthesis to the rest of the plant?
1. glyceraldehyde 3-phosphate
2. glucose
3. ribulose 1,5-bisphosphate
4. sucrose
1. glyceraldehyde 3-phosphate
2. glucose
3. ribulose 1,5-bisphosphate
4. sucrose
Subtopic: Â Phloem Translocation |
 59%
Level 3: 35%-60%
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Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is correct
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
| I: | The process of translocation through phloem is unidirectional but through xylem, it is bidirectional |
| II: | The most readily mobilized elements are phosphorus, sulphur, nitrogen and potassium. |
1. Statement I is correct but Statement II is correct
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Â Phloem Translocation |Â Photosynthesis Transpiration Compromise & Mineral Translocation |
 56%
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
During symport, two different molecules move across the membrane:
| 1. | in same direction with the help of different carriers located at a common site |
| 2. | in same direction with the help of different carriers located at different sites in the same cell |
| 3. | in same direction with the help of same carrier |
| 4. | in opposite direction with the help of same carrier |
Subtopic: Â Means of Transport: Passive |
 53%
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Identify the correct statements regarding Mass flow hypothesis.
Choose the correct answer from the options given below:
| A: | Mass flow is faster than diffusion. |
| B: | Mass flow is the result of pressure difference between the end points. |
| C: | Different substances involved in mass flow move at different paces. |
| D: | Mass flow can result through either a positive or a negative hydrostatic pressure gradient. |
| 1. | (A), (C), (D) only | 2. | (B), (C), (D) only |
| 3. | (A), (B), (C) only | 4. | (A), (B), (D) only |
Subtopic: Â The Pressure Flow or Mass Flow Hypothesis |
Level 3: 35%-60%
NEET - 2023
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NEET 2026 - Target Batch - Vital
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