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Question : Read the following statements and find out the INCORRECT statement for a cockroach.

Answer»

The blood (haemolymph) is composed of colourless plasma and haemocytes
Heart of cockroach consists of an ELONGATED MUSCULAR tube lying along mid-ventral LINE of thorax and abdomen.
The hindgut is broader than midgut and differentiated into ileum, COLON and rectum
Both gizzard and mandible help in grinding the food particles.

Answer :B


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