Embryo - Fertilization Quiz

1. When does the secondary oocyte complete its second meiotic division?

a.     Just before ovulation

b.     Immediately after ovulation

c.     When it reaches the ampulla of the oviduct

d.     When a sperm passes through the corona radiata

e.     When a sperm penetrates the oolemma

2. Capacitation of the sperms takes place in the

a.     Seminiferous tubules

b.     Rete testis

c.     Epididymis

d.     Vas deferens

e.     Female genital tract

3. Which one of the following is the usual site of fertilization?

a.     Infundibulum of the oviduct

b.     Ampulla of the oviduct

c.     Isthmus of the fallopian tube

d.     Intramural part of the oviduct

e.     Body of the uterus

4. Acrosomal reaction takes place as the sperm

a.     Swims across the cervix

b.     Travels along the uterus

c.     Enters into the Fallopian tube

d.     Traverses the corona radiate

e.     Touches the vaginal epithelium

5. The fertilization membrane results from a change in the chemistry of oolemma elicited by the

a.     Tail of the sperm reacting with the zona pellucida

b.     Acrosomal vesicle releasing its enzymes

c.     Corona cells releasing their contents

d.     Cortical granules releasing their contents

e.     Tubal epithelium secreting cytokines

6. During which of the following processes does sex determination take place?

a.     Oogenesis

b.     Spermatogenesis

c.     Fertilization

d.    Ovulation  

e.     Ejaculation

CHECK ANSWERS

1. E

2, E

3. B

4. D

5. D

6. C