Frequently Asked Questions
Name the following
(a) The three hormones produced by pancreas
(b) The hormone produced by adrenal medulla
(c) The condition caused by the over secretion of insulin
(d) The hormone secreted by beta cells of the islets of Langerhans
(e) The hormone which increases blood pressure
(f) The hormone causing more urine formation
(g) The hormone which stimulates the entire sympathetic nervous system
Solution:
(a) Insulin, glucagon, somatostatin
(b) Adrenaline
(c) Hypoglycemia
(d) Insulin
(e) Adrenaline
(f) Anti-diuretic hormone (Vasopressin)
(g) Adrenaline
The deficiency of ADH causes
(a) diabetes mellitus
(b) diabetes insipidus
(c) dwarfism
(d) acromegaly
Solution:
(b) diabetes insipidus
Exophthalmic goitre is caused due to the overactivity of
(a) thymus
(b) thyroid
(c) parathyroid
(d) adrenal cortex
Solution:
(b) thyroid
A gland having endocrine as well as exocrine function is
(a) Pituitary
(b) Thyroid
(c) Pancreas
(d) adrenal
Solution:
(c) Pancreas
Water is used as a coolant in engines because
a) it is cheap.
b) it freezes easily.
c) it makes the fuels cool.
d) it has a high specific heat.
Solution:
(d)
Explanation: Engines releases large amount of heat due to combustion of fuel. Hence, water is used in radiator to cool down the engine for its normal functioning and to reduce the wear and tear of engine parts.
