Parasites often have one or two intermediate hosts or vectors

1. To make a life cycle more complicated

2. To facilitate parasitization of its primary host

3. To cause advanced life cycle

4. To infect a broad range of organisms

Subtopic:  Population Interactions: Parasitism |
 56%
From NCERT
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The human liver fluke

1. A trematode parasite

2. Depends on two intermediate hosts- snail and Dog

3. Both 1 and 2

4. Simple life cycle

Subtopic:  Population Interactions: Parasitism |
 60%
From NCERT
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Which of the following is not correct with respect to parasites?

1. Harm the host

2. Reduce survival, growth of the host.

3. Doesn't affect population density of host as no effect on reproduction ability of the host

4. Render host more vulnerable to predation by making it physically weak.

Subtopic:  Population Interactions: Parasitism |
 86%
From NCERT
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Which of the following is not an ectoparasite?

1. Ticks

2. Lice

3. Copepods

4. Fluke

Subtopic:  Population Interactions: Parasitism |
 86%
From NCERT
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Female mosquito

1. Needs our blood for reproduction

2. Parasite

3. Get some nutrition from our body

4. Both 1 and 2

Subtopic:  Population Interactions: Parasitism |
 63%
From NCERT
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Endoparasites have

1. Complex life cycle

2. Complex anatomical and morphological features

3. Less emphasis on Reproductive potential

4. All of these

Subtopic:  Population Interactions: Parasitism |
 54%
From NCERT
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Endoparasites have a complex life cycle

1. Because of extreme morphological adaptations

2. Because of extreme specialization.

3. Because of extreme anatomical adaptation

4. Because of less reproductive potential

Subtopic:  Population Interactions: Parasitism |
 63%
From NCERT
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In Brood Parasitism which of the two birds are involved?

1. Cuckoo and Parrot

2. Parrot and Crow

3. Crow and Cuckoo

4. Cuckoo and Eagle

Subtopic:  Population Interactions: Parasitism |
 94%
From NCERT
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Which of the following is not an example of commensalism?

1. orchid as an epiphyte over a mango tree

2. Barnacle on the back of a whale

3. Copepods over Marine fishes

4. Cattle egret and grazing cattle

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 77%
From NCERT
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Which of the following is not an example of commensalism?

1. Orchid over the mango tree

2. Barnacle on the back of a whale

3. Cattle egret and grazing cattle

4. Cuscuta and hedge plants

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh