In humans, the majority of the placenta is formed by:
1. allantois
2. amnion
3. chorion
4. yolk sac

Human lungs develop from embryonic:
1. ectoderm
2. endoderm
3. epiderm
4. mesoderm

Human nervous system is derived from embryonic:

1. ectoderm

2. endoderm

3. epiderm

4. mesoderm

Inhibin in males or females decrease the secretion of:

1. FSH

2. LH

3. GnRH

4. Sex steroids

Identify the correct statement regarding the onset of puberty amongst the following:

1. LH is the first hormone to demonstrate an increased secretion

2. GnRH secretion decreases

3. spermatogenesis in males in stopped

4. secretion of sex steroids decreases

Which of the following cannot be exclusively because of testosterone?

1. growth of the larynx

2. development of pubic hair

3. growth of the testes

4. growth of the penis

The first haploid cell in sperm lineage is:

1. primary spermatocyte

2. secondary spermatocyte

3. spermatogonium

4. spermatid

Progesterone is secreted by corpus luteum as a response to

1. activin

2. FSH

3. LH

4. inhibin

The secretory phase of the endometrium corresponds to which phase of the ovarian cycle?

1. luteal

2. pre-ovulatory

3. ovulatory

4. follicular

Puberty in females is delayed who are:

1. active and have high body fat

2. active and have low body fat

3. sedentary and with high body fat

4. sedentary with low body fat