FRANK Solutions for Class 10 Biology Chapter 10 - Endocrine System
Learn from Frank Solutions for ICSE Class 10 Biology Chapter 10 Endocrine System at the TopperLearning study portal. Our expert has provided step-wise textbook solutions to help you with sufficient revision for your board exam. Our chapter solutions will help you in grasping concepts in the syllabus like corpus luteum, somatotropic hormone, insulin hormone, hyperglycaemia etc.
In addition, learn all about the endocrine gland, exocrine gland, hypersecretion etc. with our ICSE Class 10 Biology Frank Solutions. You can watch our Biology video lessons to revise the chapter concepts along with the textbook solutions. To resolve your doubts, you can browse through the doubts and solutions for Biology topics on our study portal.
Chapter 10 - Endocrine System 128
(ii) Somatotrophin
(iii) Thyroxine
(iv) Pancreas
(v) Liver
(vi) Adrenal gland
(vii) Adenohypophysis
(viii) Neurohypophysis
(ix) Thyroxine
(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.
(ii) STH
(iii) Islets of Langerhans
(iv) STH
(v) Insulin
(ii) LTH - Luteotropic hormone
Chapter 10 - Endocrine System 129
(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.
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.
(ii) Insulin and glucagon.
(iii) Insulin - It lowers the glucose level in the blood.
Glucagon - It raises the level of glucose in the blood.
(ii) Insulin
(iii) Glucagon
(iv) Thyroxine
(v) Calcitonin
(vi) Adrenaline
(vii) Growth stimulating hormone
(viii) Sex corticoids
(ix) Antidiuretic hormone
(x) Non adrenaline
(ii) (c)
(iii) (a)
(iv) (e)
(v) (d)
(ii) False
(iii) False
(iv) False
(v) False
(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.
Chapter 10 - Endocrine System 130
(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
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