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Download NCERT Solutions for Class 11 Biology

Chapter 22 Chemical Coordination and Integration

(Link of Pdf File is given below at the end of the Questions list)

In this pdf file you can see answers of following Questions

Question 1:
Define the following:
(a) Exocrine gland
(b) Endocrine gland
(c) Hormone
Question 2:
Diagrammatically indicate the location of the various endocrine glands in our body.
Question 3:
List the hormones secreted by the following:
(a) Hypothalamus (b) Pituitary (c) Thyroid
(d) Parathyroid (e) Adrenal (f) Pancreas
(g) Testis (h) Ovary (i) Thymus
(j) Atrium (k) Kidney (l) G-I Tract
Question 4:
Fill in the blanks: Hormones Target gland
(a) Hypothalamic hormones __________________
(b) Thyrotrophin (TSH) __________________
(c) Corticotrophin (ACTH) __________________
(d) Gonadotrophins (LH, FSH) __________________
(e) Melanotrophin (MSH) __________________
Question 5:
Write short notes on the functions of the following hormones,
(a) Parathyroid hormone (PTH)
(b) Thyroid hormones
(c) Thymosins
(d) Androgens
(e) Estrogens
(f) Insulin and Glucagon

Question 6:
Give example(s) of:
(a) Hyperglycemic hormone and hypoglycemic hormone
(b) Hypercalcemic hormone
(c) Gonadotrophic hormones
(d) Progestational hormone
(e) Blood pressure lowering hormone
(f) Androgens and estrogens
Question 7:
Which hormone deficiency is responsible for the following?
(a) Diabetes mellitus
(b) Goitre
(c) Cretinism
Question 8:
Briefly mention the mechanism of action of FSH.
Question 9:
Match the following: