Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements about the structural organization in earthworms is correct?
A
Earthworms possess specialized chemoreceptors on their anterior for chemical stimuli detection.
B
Nephridia in earthworms are exclusively of one type, which regulates body fluid composition.
C
The alimentary canal of earthworms is highly convoluted and extends over many segments.
D
Earthworms have separate sexes with testes and ovaries located in different individuals.
Correct Answer
Option A
Detailed Explanation
Earthworms have specialized chemoreceptors located on the anterior part to react to chemical stimuli. Nephridia are of three types, not one, and earthworms are hermaphrodites, having both testes and ovaries in the same individual.
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