Which one of the following pairs of hormones are the examples of those that can easily

pass through the cell membrane of the target cell and bind to a receptor inside it (mostly

in the nucleus)?

1. Insulin and glucagon

2. Thyroxin and insulin

3. Somatostatin and oxytocin

4. Cortisol and testosterone

What is correct to say about the hormone action in humans?
1. Glucagon is secreted by $\mathrm{\beta }$-cells of islets of Langerhans and stimulates glycogenolysis
2. Secretion of thymosine is stimulated with ageing.
3. In females, FSH first binds with specific receptors on ovarian cell membrane
4. FSH stimulates the secretion of oestrogen and progesterone

Match the source gland with its respective hormone as well as the function.

Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.

Options :

      A                B                 C

1. Placenta  Insulin         Vasopressin
2. Ovary     Insulin         Calcitonin      
3. Placenta  Glucagon     Calcitonin
4. Ovary     Glucagon     Growth hormone

Injury to adrenal cortex is not likely to affect the secretion of which one of the following ?
1. Aldosterone
2. Both androstenedione and dehydroepiandrosterone
3. Adrenalin
4. Cortisol

Low Ca²⁺ in the body fluid may be the cause of 

1. tetany

2. anaemia

3. angina pectoris

4. gout

Which one of the following pairs is incorrectly matched?

1. Glucagon - Beta cells (source)

2. Somatostatin - Delta cells (source)

3. Corpus luteum - Relaxin (secretion)

4. Insulin - Diabetes mellitus (disease)

Toxic agents present in food which interfere with thyroxin synthesis lead to the development of 
1. toxic goitre
2. cretinism
3. simple goitre
4. thyrotoxicosis

A health disorder that results from the deficiency of thyroxine in adults and characterized by 
(i) a low metabolic rate
(ii) increase in body weight
(iii) tendency to retain water in tissues is 
1. hypothyroidism
2. simple goitre
3. myxoedema
4. cretinism

In human adult females, oxytocin

1. is secreted by anterior pitutiary

2. Stimulates growth of mammary glands

3. Stimulates pitutary to secrete vasopressin 

4. causes strong uterine contractions during parturition