Trace the correct way of transport of sperm in a male cockroach.

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Testis → Vasdeferens → Seminal vesicle → Ejaculatory duct → gonophores

Testis → Ejaculatory duct → Vasdeferens → Seminal vesicle

Testis → Vasdeferens → Ejaculatory duct → Anus

Testis → Vasdeferens → Ejaculatory duct → Seminal vesicle

answer is D.

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Detailed Solution

The correct sequence of passage of sperm in male cockroaches:

Testis: Sperm is produced in the testes.
Vas deferens: Sperm moves from the testes into the vas deferens, which is a duct that carries sperm from the testes to the reproductive organs.
Seminal vesicle: The vas deferens leads to the seminal vesicle, where sperm is stored and mixed with seminal fluid.
Ejaculatory duct: From the seminal vesicle, sperm travels through the ejaculatory duct.
Gonophores: The ejaculatory duct then leads to the gonophores, which are the external genitalia that are involved in mating and transferring sperm to the female during copulation.

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