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Which of these is an external organ in male cockroach?

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in Biology – Class 11 by (272k points)
Which of these is an external organ in male cockroach?

(a) Gonopore

(b) Ejaculatory duct

(c) Phallomere

(d) Seminal vesicle

I got this question by my school principal while I was bunking the class.

My question is taken from Animals Structural Organisations in chapter Structural Organisations in Animals of Biology – Class 11

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The correct option is (c) Phallomere

The explanation: The phallomere or male gonapophysis is an external organ in male cockroach. The male gonopore, the ejaculatory duct and the seminal vesicle are internal structures. All the structures are a part of the male reproductive system.

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