The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

Scrotum helps in maintaining the temperature of the testes which is A lower than the normal body temperature. Each testis has about B compartments called testicular lobules. Select the option that fills the blanks correctly.

         A               B

1.  1-3°C            300

2.  2-2.5°C         250

3.  3-3.5°C         250

4.  2-2.5°C         350

The testes are situated outside the abdominal cavity within a pouch called scrotum. This is necessary as:

1. The scrotum can contain lengthy ducts for the transfer of sperms

2. Scrotum helps in maintaining the low temperature of the testes necessary for spermatogenesis

3. Scrotum reduces the pressure around testes necessary for spermatogenesis

4. Scrotum can store huge amounts of sperms

Suppose the internal temperature of body is 36.5 degree celsius now what will be the temperature required for human spermatogenesis?
1. 34.2 degree Celsius
2. 33 degree Celsius
3. 38 degree Celsius
4. 38.2 degree Cell

Which of the following is not a part of male external genitalia?

Testes of humans are located in

What is not correct with respect to testis in adults?

Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D: 
 

1. (a)

2. (b)

3. (c)

4. (d)

Male reproductive system of humans has not

Epididymis is located in….of testis.