Embryo - Gametogenesis Quiz

1. Which of the following cells can be tetraploid with a 4N chromosomal number?

a.     Spermatogonium

b.     Primary spermatocyte

c.     Secondary spermatocyte

d.     Spermatid

e.     Spermatozoon

2. Which of the following cells is capable of self-renewal?

a.     Spermatogonium

b.     Primary spermatocyte

c.     Secondary spermatocyte

d.     Spermatid

e.     Spermatozoon

3. Chiasma formation takes place during the?

a.     Replication of spermatogonia A

b.     Proliferation of spermatogonia B

c.     First meiotic division of primary spermatocytes

d.     Second meiotic division of secondary spermatocytes

e.     Spermiogenesis of spermatids

4. The acrosome of the sperm head originates from?

a.     Mitochondria

b.     Smooth endoplasmic reticulum

c.     Golgi apparatus

d.     Lysosomes

e.     Centrioles

5. Energy required for sperm motility is generated in the?

a.     The acrosome

b.     The sperm head

c.     The sperm neck

d.     The middle piece

e.     The principal piece

6. Primordial follicles in the ovary of a newborn girl amount to?

a.     Less than 100

b.     500-1000

c.     10000 – 90000

d.     200000 -800000

e.     2000000- 4000000

7. Ovarian androstenedione is synthesized by?

a.     The cumulus oophores

b.     The corona radiata

c.     The theca interna

d.     The stratum granulosa

e.     The developing oocyte

8. The cell released from the ovary during ovulation is?

a.     A primordial germ cell

b.     An oogonium

c.     A primary spermatocyte

d.     A secondary spermatocyte

e.     An ovum

CHECK ANSWERS

1. B

2. A

3. C

4. C

5. C

6. D

7. C

8. D