NEET Biology question

Select the correct statement from the ones given below with respect to *Periplaneta americana*.

(A)Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives
(B)Males bear a pair of short thread like anal stylesCorrect
(C)There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
(D)Grinding of food is carried out only by the mouth parts

Answer: (B)

Solution

Male cockroaches bear a pair of short, thread-like anal styles, a feature used to distinguish them from females. Statement (A) is wrong since the nerve cord runs ventrally, not dorsally; statement (C) is wrong since there

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Question ID VK-111310