Testis

Q.

Fill in the blanks:
Hormones Target gland
(a) hypothalamic hormones ................
(b) Thyrotrophin (TSH) .................
(c) Corticotrophin (ACH) .................
(d) Gonadotrophins (L.H. FSH) ..................
(e) Melanotrophin (MSH) .................

Q. Androgens are produced by

1. Leydig cells
2. Seminiferous tubules
3. Interstitial cells
4. Sertoli cells

Q. Androgens are synthesised and secreted by ________.

1. Leydig cells
2. male germ cells
3. sperm cells
4. Sertoli cells

Q. Name the cells that secrete androgens.

Q. Androgens are synthesised and secreted by ________.

1. Leydig cells
2. male germ cells
3. sperm cells
4. Sertoli cells

Q. Androgens are produced by

1. Leydig cells
2. Seminiferous tubules
3. Interstitial cells
4. Sertoli cells

Q. Occurrence of Leydig’s cells and their secretion is

1. Liver and cholesterol
2. Ovary and oestrogen
3. Pancreas and glucagon
4. Testis and testosterone

Q. Testes do not produce

1. Oestradiol
2. Testosterone
3. Fructose
4. Inhibin

Q. Which of the following is the primary sex organ ?

1. Scrotum
2. Ovary
3. Testis
4. Both 'b' and 'c'

Q. Goitre is pathologically associated with

1. Thyroxine
2. Glucagon
3. Progesterone
4. Testosterone

Q. Secondary sex organ is

1. Testis
2. Beard
3. Breast
4. Vas deferens

Q. In an accident, the anterior pituitary of a four-year old boy was severely damaged, but the boy survived. What is more likely to happen?

1. High levels of thyroxin will be released
2. Spermatogenesis will be stimulated
3. The boy will not grow much in height
4. The growth of mammary glands will be stimulated

Q.

In the absence of the clotting enzymes due to prostate malfunction which of the following is not produced?

1. Fructose

2. Prostaglandin

3. Fibrin

4. Fibrinolysin

Q. Testes do not produce

1. Inhibin
2. Oestradiol
3. Testosterone
4. Fructose

Q. Justify the statement 'Primary sex organs control the growth, function and maintenance of secondary sex organs'.

Q. What is profibrinolysin and why the prostate gland secretes it ?

Q. Match column I with column II and select the correct option.
$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \left(a\right)& \text{Placenta}& \left(i\right)& \text{Androgens}\\ \left(b\right)& \text{Zona pellucida}& \left(ii\right)& \text{Human chorionic}\\ & & & \text{gonadotropin (hCG)}\\ \left(c\right)& \text{Bulbourethral glands}& \left(iii\right)& \text{Layer of the ovum}\\ \left(d\right)& \text{Leydig cells}& \left(iv\right)& \text{Lubrication of the penis}\end{array}$

1. (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
3. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
4. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)