Statement-$I$ :- Heart of cockroach consists of an elongated muscular tube lying along the mid-dorsal line of the thorax and abdomen.
Statement-$II$ :- In cockroach,the opening of the spiracles is regulated by the sphincters.

  • A
    Both statements are correct
  • B
    Both statements are incorrect
  • C
    Statement-$I$ is correct and statement-$II$ is incorrect.
  • D
    Statement-$I$ is incorrect and Statement-$II$ is correct.

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Similar Questions

The body cavity present in a cockroach is called .......

Mark the odd one in each series:
Protonema; mesothorax; metathorax; coxa

The organ of mastication in a cockroach is:

Describe the location and function of the following structures in a cockroach:
$(i)$ Malpighian Tubules
$(ii)$ Compound eyes

Match the following columns with reference to cockroach and select the correct option:
Column $I$Column $II$
$(a)$ Grinding of the food particles$(i)$ Hepatic caecae
$(b)$ Secrete gastric juice$(ii)$ $10^{\text{th}}$ segment
$(c)$ $10$ pairs$(iii)$ Proventriculus
$(d)$ Anal cerci$(iv)$ Spiracles

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