The amino acid derivative among the following hormone is:-

1. Insulin
2. Epinephrine
3. Estradiol
4. Testosterone

Which of the following statement is correct in relation to the endocrine system?

1. Adenohypophysis is under direct neural regulation of the hypothalamus

2. Organs in the body like gastrointestinal tract. heart, kidney and liver do not produce any hormones

3. Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones

4. Releasing and inhibitory hormones are produced by the pituitary gland

Which of the following is incorrect about hormones

How many of the following are peptide hormones?

Gastrin, Secretin, Cholecystokinin, Gastric inhibitory peptide, ANF, Erythropoietin

1. 3

2. 4

3. 5

4. 6

Select the true statement(s):
A. Growth factors are hormones secreted by several non-endocrine tissues.
B. Estradiol is synthesised and secreted mainly by growing ovarian follicles.
C. Catecholamines stimulate the breakdown of glycogen.
D. Adrenal cortex secretes androgen like hormone.

1. B & C 

2. A, C & D

3. A, B, C, D 

4. B, C & D

Some hormones can act on their target cells through second messengers. Identify the one that does not:
1. cortisol
2. adrenaline
3. FSH
4. calcitonin