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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | the typhlosole greatly increases the effective absorption area of the digested food in the intestine |
2. | the S-shaped setae embedded in the integument are the defensive weapons used against the enemies |
3. | it has a long dorsal tubular heart |
4. | fertilization of eggs occurs inside the body |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology