Chemical coordination and integration

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NCERT Class 11 Biology Chapter wise Solutions

UNIT I:  DIVERSITY IN THE LIVING WORLD

• 1 : The Living World
• 2 : Biological Classification
• 3 : Plant Kingdom
• 4 : Animal Kingdom

UNIT II: STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS

• 5 : Morphology of Flowering Plants
• 6 : Anatomy of Flowering Plants
• 7 : Structural Organisation in Animals

UNIT III: CELL: STRUCTURE AND FUNCTIONS

• 8 : Cell : The Unit of Life
• 9 : Biomolecules
• 10 : Cell Cycle and Cell Division

UNIT IV: PLANT PHYSIOLOGY

• 11 : Transport in Plants
• 12 : Mineral Nutrition
• 13 : Photosynthesis in Higher Plants
• 14 : Respiration in Plants
• 15 : Plant Growth and Development

UNIT V: HUMAN PHYSIOLOGY

• 16 : Digestion and Absorption
• 17 : Breathing and Exchange of Gases
• 18 : Body Fluids and Circulation
• 19 : Excretory Products and their Elimination
• 20 : Locomotion and Movement
• 21 : Neural Control and Coordination
• 22 : Chemical Coordination and Integration

NCERT Solutions For Class 11 Biology Chapter 22 Chemical coordination and integration

• 22.1 Endocrine Glands and Hormones
• 22.2 Human Endocrine System
• 22.3 Hormones of Heart, Kidney and Gastrointestinal Tract
• 22.4 Mechanism of Hormone Action

NCERT Solutions For Class 11 Biology Chemical coordination and integration

1. Define the following:
(a) Exocrine gland
(b) Endocrine gland
(c) Hormone

2. Diagrammatically indicate the location of the various endocrine glands in our body.

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

4. Fill in the blanks:
Hormones Target gland
(a) Hypothalamic hormones __________________
(b) Thyrotrophin (TSH) __________________
(c) Corticotrophin (ACTH) __________________
(d) Gonadotrophins (LH, FSH) __________________
(e) Melanotrophin (MSH) __________________

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

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

7. Which hormonal deficiency is responsible for the following:
(a) Diabetes mellitus
(b) Goitre
(c) Cretinism

8. Briefly mention the mechanism of action of FSH.

9. Match the following: