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Select the correct statement regarding Periplaneta americana

A. There are 16 very long malpighian tubules present at the junctions of midgut and hindgut.

B. Grinding of food is carried out only by the mouth parts.

C. Nervous system is located ventrally and consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.

D. Females bear a pair of short thread like anal styles.

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