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Which of the follwing statement(s) is/are correct ?
  1. Cockroaches are brown or black bodied animals that are included in class insecta of phylum arthropoda.
  2. Males bear a pair of short, thread like anal styles which are absent in females.
  3. Heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen.
  4. The nymph grows by moulting about 13 times to reach the adult form.

A. Only (i)

B. Both (ii) and (iii)

C. Both (i) and (ii)

D. All of the above

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