Humans are
a. Oviparous females
b. Sexually Reproducing
c. Considered to be sexually active before puberty
d. More than one option is correct

Which of the following order is not correct for the events of human reproduction?

Which of the following is not correct with respect to Human reproduction?

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

Each seminiferous tubule is lined on its inside by:

1. Spermatogonia

2. Primary spermatocytes

3. Sertoli cells

4. Both 1 and 3

Leydig cells:

1. Are present in seminiferous tubules and secrete androgens

2. Are present in seminiferous tubules and help in maturation of sperms

3. Are present in interstitial space and secrete androgens

4. Are present in interstitial space and help in maturation of sperms

Which human male accessory reproductive duct receives a duct from the seminal vesicle?

1. Rete testis

2. Vas deferens

3. Epididymis

4. Urethra

The structure of testis of a mammal can be identified by the presence of

(1) Spermatogonia

(2) Spermatocytes

(3) Cells of Sertoli

(4) Spermatids

Which of the structures shown in the following diagram contributes to the source of nutrition for the sperms ejaculated in the semen?

1. A

2. B

3. C

4. D

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