Which hormone is secreated by heart? Mention its role.

2

(a)

What is the role of second messenger in protein hormone action?

2

(a)

Explain amplification of a signal in hormone action? What is its role?

2

(a)

What is meant by 'synergistic effect'? Explain with an example

2

(a)

Inflammatory responses can be controlled by a certain steroid.Name the steroid, its source and also its other important functions.

2

(a)

Distinguish between endocrine and exocrine glands.

2

(a)

Define the following:
(a) Exocrine gland
(b) Endocrine gland
(c) Hormone

2

(a)

Name the endocrine gland which secretes the largest number of hormones.

2

(a)

Which hormones are secreted by the thyroid gland?

2

(a)

Which hormone is an amino acid derivative

2

(a)

What is the role of adrenaline and noradrenaline?

2

(a)

What is the major role of melatonin?

2

(a)

What do you understand by exopthalmic goitre?

2

(a)

What is Addison's disease?

2

(a)

Why is thymus called ‘throne of immunity?

2

(a)