- 1(current)
Q. No.Following are the statements about prostomium of earthworm.
| (a) | It serves as a covering for mouth. |
| (b) | It helps to open cracks in the soil into which it can crawl. |
| (c) | It is one of the sensory structures. |
| (d) | It is the first body segment. |
Choose the correct answer from the options given below:
1. (a), (b), (c) and (d) are correct
2. (b) and (c) are correct
3. (a), (b) and (c) are correct
4. (a), (b) and (d) are correct
Subtopic: Â Earthworm |
Level 3: 35%-60%
NEET - 2021
Hints
Assertion (A): Earthworms make the soil porous and increase the fertility of the soil.
Reason (R): They are known as friends of farmers.
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.
Reason (R): They are known as friends of farmers.
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 Earthworm |
 57%
Level 3: 35%-60%
Hints
Assertion (A): Earthworms is hermaphrodite.
Reason (R): In earthworms, reciprocal cross fertilisation takes place
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.
Reason (R): In earthworms, reciprocal cross fertilisation takes place
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 Earthworm |
 60%
Level 2: 60%+
Hints
Find the incorrect match for earthworm:
1. Typhlosole - Absorption
2. Setae - Locomotion
3. Clitellum - Secretes cocoon
4. Blood plasma - Lacks respiratory pigment
1. Typhlosole - Absorption
2. Setae - Locomotion
3. Clitellum - Secretes cocoon
4. Blood plasma - Lacks respiratory pigment
Subtopic: Â Earthworm |
 63%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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