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Which of the following statements is true about prostomium?

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in Biology – Class 11 by (272k points)
Which of the following statements is true about prostomium?

(a) It is present in the posterior end of the earthworm

(b) It acts as a wedge to open cracks in the soil

(c) It is the mouth of the earthworm

(d) It does not have a sensory function

The question was asked in a national level competition.

Question is taken from Animals Structural Organisations in division Structural Organisations in Animals of Biology – Class 11

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Correct choice is (b) It acts as a wedge to open cracks in the soil

Best explanation: The prostomium is located in the anterior end of the earthworm. It is a covering of the mouth and has a sensory function. It also acts as a wedge to open cracks in the soil. It is the first segment of the body of the earthworm.

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