Question

Read the following statements carefully, which is incorrect about cockroach?

• A. In cockroach one pair testis present from $4$ to $6^{th}$ abdominal segments
• B. Mushroom shaped gland is present in the $6^{th}$ - $7^{th}$ abdominal segments
• C. Sperms are stored in the seminal vesicles
• D. The external ganitalia are represented by phallic gland

Answer 1

The correct option is A In cockroach one pair testis present from $4$ to $6^{th}$ abdominal segments

$\Rightarrow$ Male reproduction system (cockroach)

• Testes:- These case two testes which occupy a dorsolateral position just beneath the 4th to 6th abdominal terga.

• The testes are prominent in young insects but get reduced in adults.