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.

(b) and (c) are correct.
(a), (b) and (c) are correct.
(a), (b) and (d) are correct.
(a), (b), (c) and (d) are correct.

Correct answer · Option 2

(a), (b) and (c) are correct.

Explanation

Prostomium covers the mouth (a), acts as a wedge to open soil cracks (b), and is sensory (c). It is not the first body segment; peristomium is the first segment.

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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.

Correct answer · Option 2

Explanation

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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.

Correct answer · Option 2

Explanation

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कोर्सेज और अभ्यास

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