Question

A male bird with copulatory organ is

A. Struthiocamelus

B. Coraciousbergalersis

C. Columba livia

D. Pavocristarus


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Answer 1

Answer:

Correct answer is Option (c)  Columba livia

Explanation:

Male reproductive system of Columba livia :

• Columba livia is the scientific name of pigeon.
• Male reproductive system of Columbia livia is consist of two testes and two vasa diferentia.

Testes:

• The testis of Columba livia is ovoid in shape and attached to anteroventral end of the kidney by a fold of peritoneum known as mesorchium.
• Testis size changes according to season.
• There are highly coiled seminiferous tubules in each testis and in between these tubules, leydig cells are present.

Vasa deferentia:

• There is a much more coiled duct known as vas deferens, which originates from the inner side of the testis.
• These vas deferens runs posteriorly parallel with the ureter and open in the urodaeum at the tip of a small papilla.
• These papilla in pigeons are slightly erectile and forms copulatory organs of many birds.
• And, at the end of vas deferens, there is a swollen part known as seminal vesicles.

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