Class 11 NEET Biology Structural Organisation in Animals

Question : 42 of 100

Marks: +1, -0

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

(2012)

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

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