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Q.

In cockroach, elongated muscular tube lying along mid dorsal line of thorax abdomen is

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a

heart

b

liver

c

fat body

d

testes

answer is A.

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Detailed Solution

Heart of cockroach consists of elongated muscular tube lying along mid dorsal line of thorax and abdomen.

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In cockroach, elongated muscular tube lying along mid dorsal line of thorax abdomen is