- 1(current)
Q. No.Which of the following is least likely to affect the size of a population?
| 1. | Competition | 2. | Brood parasitism |
| 3. | Commensalism | 4. | Predation |
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 64%
From NCERT
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The mutualistic relationship between fig trees and their specific pollinator wasps is highly specialized and tightly interdependent. Consider the following statements:
Which of the following is correct?
1. Only A and B are correct.
2. Only B and D are correct.
3. Only A, B and D are correct.
4. All statements are correct.
| A. | Each fig species is pollinated by only one specific wasp species, making the relationship species-specific. |
| B. | The wasp uses the fig fruit both as an oviposition site and as a food source for its larvae, while simultaneously pollinating the fig's flowers. |
| C. | In return for pollination, the fig tree sacrifices all its seeds to nourish the wasp larvae. |
| D. | This relationship is an example of obligate mutualism, where neither the fig tree nor the wasp can survive without the other. |
1. Only A and B are correct.
2. Only B and D are correct.
3. Only A, B and D are correct.
4. All statements are correct.
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 61%
From NCERT
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Consider the following statements regarding the symbiotic association between fungi and plants (mycorrhiza):
Which of the following is correct?
| Statement A: | Mycorrhizal fungi absorb nitrogen from the soil and pass it to the plant, but increase plant susceptibility to pathogens and to environmental stresses. |
| Statement B: | Members of the genus Glomus form mycorrhizal associations, and the fungus derives nutrients like carbohydrates from the plant as an advantage of this relationship. |
| 1. | Both Statement A and Statement B are correct. |
| 2. | Both Statement A and Statement B are incorrect. |
| 3. | Statement A is correct but Statement B is incorrect. |
| 4. | Statement A is incorrect but Statement B is correct. |
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 57%
From NCERT
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Given below are two statements: One is labelled as
Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below:
Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | The interaction, in which one species benefits and the other is neither harmed nor benefitted, is known as commensalism. |
| Reason (R): | Egrets always forage close to where the cattles are grazing, otherwise it is difficult for the egrets to find the insect and catch. |
| 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. | (A) is False but (R) is True. |
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 50%
From NCERT
NEET - 2024
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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