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:  Earthworm |
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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.
Subtopic:  Earthworm |
 54%
Please attempt this question first.
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.
 
Subtopic:  Earthworm |
 60%
Please attempt this question first.
Hints

advertisementadvertisement

Find the incorrect match for earthworm:
1. Typhlosole - Absorption
2. Setae - Locomotion
3. Clitellum - Secretes cocoon
4. Blood plasma - Lacks respiratory pigment 
Subtopic:  Earthworm |
 63%
Please attempt this question first.
Hints