NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Select the correct statement from the ones given below with respect to Periplaneta americana
- AMales bear a pair of short thread like anal styles
- BThere are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
- CNervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connective
- DGrinding of food is carried out only by the mouth parts
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Correct answer: A
The posterior segment of cockroaches bear appendages named as anal cerci. These are found in both male and female. But male cockroach can be distinguished by female ones by the presence of an extra pair of accessory appendages named as anal styles. It assists during copulation.
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