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 functionThe 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

Which of the following statements is true about prostomium?(a) It is p

1.	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 functionThe 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
Answer» 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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