Morula is a solid ball of cells during early embryonic development and consists of:

(1) 4 – 8 cells

(2) 8 – 16 cells

(3) 24 – 30 cells

(4) 60 – 72 cells

 

The fetal body is covered with fine hair, eyelashes separate, and eyelashes are formed by the end of:

The signals of fetal ejection reflex originate from:

1. Maternal pituitary

2. Maternal hypothalamus

3. Fully developed fetus and placenta

4. Fetal pituitary

To induce uterine contractions for parturition which of the following hormones can be injected to the female?

(1) hCG

(2) Estrogen

(3) Progesterone

(4) Oxytocin

Cleavage is:

In humans, the sex of the baby is determined:

1. At the time of fertilization and by the father

2. At the time of fertilization and by the mother

3. At the time of implantation and by the father

4. At the time of implantation and by the mother

What happens when a sperm enters the cytoplasm of the secondary oocyte?

Consider the following two statements:
I. Not all copulations lead to fertilization and pregnancy
II. Fertilization can occur if the ovum and the sperms are simultaneously transported to the fallopian tubes.
1. Both I and II are correct and II correctly explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct

Corpus luteum secretes large amounts of:

LH surge:

1. is a dramatic sudden increase in the levels of LH during the early part of menstrual cycle and is responsible for ovulation.

2. Is a dramatic sudden decrease in the levels of LH during the early part of menstrual cycle and is responsible for ovulation.

3 is a dramatic sudden decrease in the levels of LH during the mid-menstrual cycle and is responsible for ovulation.

4. is a dramatic sudden increase in the levels of LH during the mid-menstrual cycle and is responsible for ovulation.