How many of the following structures in cockroach are found in male reproductive system?

Question How many of the following structures/organs belong to the male reproductive system of a cockroach? [Utricular gland, spermatheca, oothecal chamber, Phallic gland, seminal vesicles]
Class 12th
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The male reproductive system of cockroach consists of a pair of testes, vasa deferentia, an ejaculatory duct, utricular gland, phallic gland and the external genitalia.

What is the reproductive system of cockroach?

Male Reproductive System: The male reproductive system of cockroach consists of a pair of testes. The testes lie on each lateral side in the 4th – 6th abdominal segments. A thin vas deferens arises from each testis. It opens into ejaculatory duct through seminal vesicle.

How many structures are unpaired and found in male cockroach?

Correct Answer: (3) Tergites, labium, hypopharynx, genital pouch, labrum are unpaired, while mandible are one pair and tegmina(forewings) are also one pair.

Is cockroach dioecious?

The cockroaches are dioecious (unisexual) animals. Male reproductive system consists of a pair of testes, vas deferens, ejaculatory duct, utricular gland and phallic gland.

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Why is cockroach dioecious?

Chara are monoecious organisms as both male and female reproductive structures are in the same organisms. … Cockroach are dioecious organisms as both male and female reproductive structures are in different individuals.

Is Uricose gland present in female cockroach?

Uricose gland is a system which is involved in the excretory system of MALE COCKROACH. It helps in storage and excretion of Uric acid. It is also called Utriculi majoris. It is present near the mushroom gland.

Is Spermatheca found in male cockroach?

A) 6th abdominal segment of male. Hint: The spermatheca is an ectodermal organ responsible for receiving, maintaining, and releasing sperm to fertilize eggs. … The sperm which is collected can remain viable and alive inside the spermatheca for several years.

Which is absent in female cockroach?

In cockroaches, males bear a pair of short, thread-like structures present at the posterior region, which are absent in females. Complete answer: Male and female cockroaches can be distinguished externally through anal style, which is present only in males and absent in female Cockroaches.

What is the function of testis in cockroach?

The male reproductive system of cockroach consists of a pair of testes. The testes lie on each lateral side in the 4th – 6th abdominal segments. A thin vas deferens arises from each testis. It opens into ejaculatory duct through seminal vesicle.

What is the function of Titillator in cockroach?

We studied the role of the titillators during copulation in the bushcricket Metrioptera roeselii (Hagenbach, 1822), in the context of four a priori hypotheses for their function during mating and insemination: (1) bushcricket titillators act as anchors to secure matings; (2) titillators facilitate sperm removal or …

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