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Frank Modern Certificate Solution for Class 10 Biology Chapter 10 - Endocrine System

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Frank Textbook Solutions Chapter 10 - Endocrine System

Frank Textbook Solutions are considered extremely helpful for solving difficult questions in the ICSE Class 10 Biology exam. TopperLearning Textbook Solutions are compiled by our subject experts. Herein, you can find all the answers to the questions of   Chapter 10 - Endocrine System for the Frank textbook.

Frank Textbook Solutions for class 10 are in accordance with the latest ICSE syllabus, and they are amended from time to time to be most relevant. Our free Frank Textbook Solutions for ICSE Class 10 Biology will give you deeper insight on the chapters and will help you to score more marks in the final examination. ICSE Class 10 students can refer to our solutions while doing their homework and while preparing for the exam.

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Exercise/Page

Frank Modern Certificate Solution for Class 10 Biology Chapter 10 - Endocrine System Page/Excercise 128

Solution 1

(i) Pituitary gland
(ii) Somatotrophin
(iii) Thyroxine
(iv) Pancreas
(v) Liver
(vi) Adrenal gland
(vii) Adenohypophysis
(viii) Neurohypophysis
(ix) Thyroxine

Solution 2

(i) Somatotrophic Hormone - It is essential for the normal growth of an organism.
(ii) Thyroid stimulating hormone - It stimulates the activity as well as the growth of thyroid glands.
(iii) Adrenocorticotrophic hormone - It stimulates the activity of adrenal cortex.
(iv) Gonadotrophic hormone - It promotes the growth of ovarian follicles in females and the growth of sperms in males.
(v) Insulin hormone - It lowers the blood sugar level.
(vi) Corpus luteum - It secretes progesterone.
(vii) Glucagon hormone - It raises the blood sugar level.

Solution 3

(i) Insulin
(ii) STH
(iii) Islets of Langerhans
(iv) STH
(v) Insulin

Solution 4

(i) FSH - Follicle stimulating hormone
(ii) LTH - Luteotropic hormone

Solution 5

Frank Modern Certificate Solution for Class 10 Biology Chapter 10 - Endocrine System Page/Excercise 129

Solution 6

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

Solution 7

(i) True
(ii) False
(iii) False
(iv) False
(v) False

Solution 8

(i) Hormone - The secretions of endocrine glands which are carried by blood to the target organs are called hormones.
(ii) Endocrine gland - The glands without ducts which secrete hormones are called endocrine glands.
(iii) Exocrine gland - The glands with ducts which secrete enzymes are called exocrine glands.
(iv) Hypothyroidism - It is the under secretion of thyroxine by thyroid gland which leads to retarded growth and mental development in infants.
(v) Hyperglycemia - Increase in blood sugar level is called hyperglycemia.
(vi) Hypersecretion - The over activity of any gland leads to over secretion of hormones called hypersecretion.

Solution 9


Solution 10

(i) Diabetes mellitus - Diabetes mellitus is a disease caused by the deficiency of insulin hormone.
(ii) Beta cells - Beta cells are the cells of pancreas that secrete insulin.
(iii) Exophthalmic goitre - The over activity of thyroid gland leads to its enlargement, producing a big swelling in the neck region called exophthalmic goiter.  
(iv) Releasing hormones - A substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland.

Solution 11


Solution 12

Insulin secreted by pancreas controls the level of glucose in blood.

Solution 13

Adrenaline is called an emergency hormone because it brings rapid physiological responses to emergencies like danger, fear or other situations requiring vigorous action.

Solution 14


Solution 15


Solution 16

(i) Exophthalmic goitre - It is caused due to over activity of thyroid gland.
Symptoms are - Enlargement and protrusion of the gland below the chin, increased pulse rate, nervousness and bulging of the eyes.
(ii) Diabetes mellitus - It is caused due to less secretion of the insulin hormone.
Symptoms are - Frequent urination, Sudden weight gain or weight loss, Excessive thirst and hunger.

Solution 17

In hilly region, water has less iodine which is required for the production of thyroxine. So due to the deficiency of thyroxine, people suffer from goiter.

Solution 18

Insulin is a protein hormone and if it is given orally it would be digested upon by the protein digesting enzymes in the alimentary canal.

Solution 19

(i) The endocrine cells present in pancreas are: alpha cells, beta cells and delta cells.
(ii) Insulin and glucagon.
(iii) Insulin - It lowers the glucose level in the blood.
Glucagon - It raises the level of glucose in the blood.

Solution 20

(i) Adrenaline
(ii) Insulin
(iii) Glucagon
(iv) Thyroxine
(v) Calcitonin
(vi) Adrenaline
(vii) Growth stimulating hormone
(viii) Sex corticoids
(ix) Antidiuretic hormone
(x) Non adrenaline

Frank Modern Certificate Solution for Class 10 Biology Chapter 10 - Endocrine System Page/Excercise 130

Solution 21

(i) (b) Diabetes
(ii) (b) Adrenal gland
(iii) (d) Pancreas
(iv) (b) Gigantism
(v) (a) Insulin
(vi) (b) Liver
(vii) (c) Target
(viii) (c) under secretion of insulin
(ix) (a) beta cells of pancreas
(x) (d) glucagon
(xi) (c) progesterone

TopperLearning provides step-by-step solutions for each question in each chapter in the Frank textbook recommended by ICSE schools. Access Chapter 10 - Endocrine System here. Our Frank Textbook Solutions for ICSE Class 10 Biology are designed by our subject matter experts. These solutions will help you to revise the whole chapter, so you can clear your fundamentals before the examination.

Text Book Solutions

ICSE X - Biology

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