What is false for the heart of cockroach?

  • A

    Lying along mid dorsal line of thorax and abdomen

  • B

    Anterior first part is opened and posterior last part is closed

  • C

    Funnel shaped chambers with ostia is present

  • D

    Anterior aorta is divided and reached to every cell of body.

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 Write a note on mouth parts of cockroach.

Location and Function :

$(i)$ Malpighian Tubules

$(ii)$ Compound eyes

Explain nervous system of cockroach.

Consider the following statements regarding cockroach and mark the correct option.

$(i)$ Head is formed by the fusion of $6$ -segments.

$(ii)$ Mouth parts are biting and chewing type.

$(iii)$ Crop is the part of mid gut.

In cockroach, ootheca coveres...