Q. No.Assertion: Parasitoidism is a strategy that is actually closer to predation.
Reason: A parasitoid is an organism that lives in close association with its host and at the host's expense, and which sooner or later kills it.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Reason: A parasitoid is an organism that lives in close association with its host and at the host's expense, and which sooner or later kills it.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
‘Realized niche’ of an organism can be best described as:
| 1. | the area a species can occupy in the face of exploitive competition |
| 2. | the habitat of a species within a community resulting from clumping |
| 3. | the habitat that exists in nature as opposed to the ideal |
| 4. | the life pattern that the organism actually assumes |
The competitive exclusion principle can be best expressed as:
| 1. | the more abundant species will exclude the less abundant species through competition |
| 2. | competition for the same resources excludes species having different lifestyles |
| 3. | no two species can occupy the same niche indefinitely when resources are limited |
| 4. | larger organisms exclude smaller ones through competition as in the case of large trees controlling underbrush |
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Whale barnacles attach typically to baleen whales without harming them. This relationship is called as:
| 1. | vitalism | 2. | mutualism |
| 3. | parasitism | 4. | commensalism |
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A parasitism that does not involve feeding on the body of the host is:
| 1. | ectoparasitism | 2. | endoparasitism |
| 3. | parasitoids | 4. | brood parasitism |
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The adaptation that a prey species avoid being detected by a predator would be:
1. Mullerian mimicry
2. Batesian mimicry
3. aposematic coloration
4. cryptic coloration
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The appearance of an animal that warns predators it is toxic, distasteful or dangerous is called as:
1. Batesian mimicry
2. Mullerian mimicry
3. aposematic coloration
4. cryptic coloration
The chemical defence produced by plants against herbivory are:
| 1. | primary metabolites | 2. | secondary metabolites |
| 3. | cofactors | 4. | pollens |
All the following are symbiotic relations except:
1. monarch butterflies and viceroy butterflies
2. lichens
3. mycorrhizae
4. tapeworms and humans
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To avoid herbivory milkweeds secret latex containing:
1. cardiac glycosides
2. stipules
3. mustard oils
4. strychnine
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