Q. No.An orchid growing as an epiphyte on a mango branch is an example of:
| 1. | Ectoparasitism | 2. | Endopararsitism |
| 3. | Commensalism | 4. | Mutualism |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
80%
From NCERT
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All the following relations are examples of commensalism except:
| 1. | Sea anemone and clown fish |
| 2. | Cattle egret and grazing cattle |
| 3. | Barnacles growing on the back of whale |
| 4. | Cuscuta growing on hedge plants |
Subtopic: Population Interactions: Competition | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
85%
From NCERT
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The given picture shows the symbiotic relationship between an anemone (Heteractis magnifica) and a clownfish (Amphirion ocellaris).
Which of the following options is correct regarding the two statements given above?
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The anemone provides the clownfish with protection and shelter |
| II: | The clownfish provides the anemone nutrients in the form of waste while also scaring off potential predator fish |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
From NCERT
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The given picture shows cattle egret and the cattle in close association. This is an example of:
| 1. | Competition | 2. | Commensalism |
| 3. | Mutualism | 4. | Parasitism |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
91%
From NCERT
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Lichens represent an intimate mutualistic relationship between a fungus and:
| 1. | an algae | 2. | a cyanobacterium |
| 3. | a brown alga | 4. | either 1 or 2 |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
From NCERT
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In mycorrhiza, the fungi help the plant in:
1. Synthesis of high energy carbohydrates
2. Absorption of essential nutrients from the soil
3. Nitrogen fixation
4. Biocontrol of pathogens
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
84%
From NCERT
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Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
91%
From NCERT
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To get pollinated by a bee, the Mediterranean Orchid, Ophrys, employs:
1. Sexual deceit
2. Pseudo-copulation
3. Reward in the form of nectar
4. Place for laying eggs
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
70%
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 most appropriate answer from the options given below :
| Assertion (A): | Plant-animal interactions often involve co-evolution of the mutualists. |
| Reason (R): | The mutually beneficial system should be safeguarded against ‘cheaters’. |
| 1. | Both (A) and (R) are True but (R) does not explain (A). |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
51%
From NCERT
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The picture shows mutual relationship between the fig tree and the wasp.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Many species of fig trees can only be pollinated by their ‘partner’ wasp species and no other species. |
| II: | The female wasp does not derive any benefit from this relationship. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
85%
From NCERT
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