[5 Mark Question Answer]

Question 15 Marks

Name the hormones secreted by the following glands:
(i) Anterior pituitary
(ii) Testes
(iii) Ovary
(iv) Adrenal cortex
(v) Pancreas

Answer

Name of the Gland	Hormones
(i) Anterior Pituitary	a. Growth hormone/ Somatotrophin b. Adrenocorticotrophic hormone c. Thyroid stimulating hormone d. Gonadotrophic hormone e. Luteotroohic hormone
(ii) Testes	a. Testosterone
(iii) Ovary	a. Oestrogen b. Proaesterone
(iv) Adrenal cortex	a. Adrenaline b. Noradrenaline
(v) Pancreas	a. Insulin b. Glucaaon

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Question 25 Marks

Match the terms of column I with those of column II:

Column I	Column II
(i) Adenohypophysis	(a) Thyroxine
(ii) Neurohypophysis	(b) STH
(iii) Thyroid	(c) Oxytocin
(iv) Adrenaline	(d) Insulin
(v) Islets of Langerhans	(e) Noradrenaline

Answer

(i) (b)
(ii) (c)
(iii) (a)
(iv) (e)
(v) (d)

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Question 35 Marks

Make a table indicating the glands, hormones produced, their main functions and diseases caused due to their hypo and hypersecretions.

Answer

Glands	Hormones	Functions	Diseases due to hyposecretion	Diseases due to hypersecretion
1. Pituitary gland	Anterior Lobe: a. Growth hormone/Somatotrophin b. Adrenocorticotrop hic hormone c. Thyroid stimulating hormone Posterior Lobe : a. Antidiuretic hormone b. oxytocin	It is essential for the normal growth of an organism. It stimulates the activity of adrenal cortex. It stimulates the activity of thyroid glands as well as their growth. It controls water and salt balance of body fluids. It stimulates contraction of smooth muscles of uterus during child birth.	a. Dwarfism Addision's disease Cretinism Diabetes insipidus	a. Gigantism Cushing's disease Goitre
2. Thyroid	a. Thyroxine b. Calcitonin	It speeds up basal metabolic rate of the body . It causes the deposition of calcium in the bones.	Cretinism	Goitre
3. Parathyroid	a. Parathormone	It maintains the calcium level in the blood.
4. Thymus	a. Thymus	Helps in the growth of children and provides immunity.
5. Pancreas	a. Insulin b. Glucagon	It lowers the glucose level in the blood It raises the level of glucose in the blood.	Diabetes mellitus	Hypoglycemia
6. Adrenal glands	Adrenal cortex: a. Mineralocorticoids b. Glucocorticoids c. Sexcorticoids	They regulate mineral metabolism in the body They regulate the metabolism of carbohydrates , fats and proteins in the body. They help in the development of secondary sexual characters.	Addision's disease	Cushing's syndrome
	Adrenal Medulla : a. Adrenaline b. Noradrenaline	It brings rapid physiological responses to emergencies like danger, fear or other situations requiring vigorous action. It regulates the blood pressure under normal conditions.
7. Testes	Testes: a. Testosterone	It stimulates male secondary sexual characters.
8. Ovary	Ovary: a. Oestrogen b. Progesterone	It stimulates female secondary sexual characters. It helps in the contraction of uterus during the birth of a baby,

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Biology [5 Mark Question Answer]

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