09: Endocrine Glands : Icse-x-biology

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09: Endocrine Glands

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ICSE
Answers for Chapter 9 Endocrine Glands Class 10 Selina Biology
Exercise

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Section : A
A. Multiple Choice Questions:

Qstn #1
A gland having endocrine as well as exocrine function is (a) pituitary (b) thyroid (c) pancreas (d) adrenal
Ans : (c) pancreas

Qstn #2
Exophthalmic goitre is caused due to the over activity of (a) thymus (b) thyroid (c) parathyroid (d) adrenal cortex.
Ans : (b) thyroid

Qstn #3
The secretion of ADH (anti-diuretic hormone) is inhibited by (a) emotion and stress (b) nicotine (c) alcohol (d) morphine
Ans : (c) alcoholB. Very Short Answer type

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Section : B

Qstn #1
Name the following:

#1-a
The three hormones produced by pancreas
Ans : Insulin, glucagon, somatostatin

#1-b
The hormone produced by adrenal medula
Ans : Adrenaline

#1-c
The condition caused by the over secretion of insulin
Ans : Hypoglycemia

#1-d
The hormone secreted by B (beta) cells of the islets of Langerhans
Ans : Insulin

#1-e
The hormone which increases blood pressure
Ans : Adrenaline

#1-f
The hormone causing more urine formation
Ans : Anti-diuretic hormone (Vasopressin)

#1-g
The hormone which stimulates the entire sympathetic nervous system.
Ans : Adrenaline

Qstn #2
What would a child suffer from, if there was hyposecretion from his thyroid?
Ans : If there was hyposecretion of the thyroid gland in a child; the child will suffer from cretinism. The symptoms of cretinism are dwarfism, mental retardation, etc.