Which of the following statements is correct regarding cockroach?

It possesses ventral nerve cord

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Spiracles help in excretion

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Phallomere is present in female cockroach

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Compound eye is also called as ocellus

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Solution

The correct option is A
It possesses ventral nerve cord

Cockroach possesses ventral nerve cord.

Spiracles help in respiration.

Phallomere is present in male cockroach. It helps in the transfer of spermatophore from male cockroach to female cockroach.

Ocellus is a simple eye that occurs in insects and other invertebrates.

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