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NCERT Solutions-Chapter 6-Population-Class 9-Social Science

 Exercise Question Answers for Georaphy Chapter 6- Population Subject Social Science  **************************** 1. Choose the right answer from the four alternatives given below. (i) Migrations change the number, distribution and composition of the population in ....... (a) the area of departure  (b) the area of arrival  (c) both the area of departure and arrival (d) none of the above (ii) A large proportion of children in a population is a result of .............. (a) high birth rates  (b) high life expectancies  (c) high death rates (d) more married couples (iii) The magnitude of population growth refers to ............. (a) the total population of an area (b) the number of persons added each year (c) the rate at which the population increases (d) the number of females per thousand males (iv) According to the Census, a “literate” person is one who ........... (a) can read and write his/her name (b) can read and write any language (c) is 7 years old and...
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NCERT Solutions-Chapter 5-Natural Vegetation and Wildlife-Class 9 Social Science

 Exercise Question Answers for Chapter 5-Natural Vegetation and Wildlife(Geography) Class 9 Subject Social Science

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1. Choose the right answer from the four alternatives given below:

(i) To which one of the following types of vegetation does rubber belong to?

(a) Tundra  

(b) Tidal   

(c) Himalayan

(d) Tropical Evergreen

(ii) Cinchona trees are found in the areas of rainfall more than

(a) 100 cm 

(b) 50 cm 

(c) 70 cm

(d) less than 50 cm

(iii) In which of the following state is the Simlipal bio-reserve located?

(a) Punjab 

(b) Delhi

(c) Odisha 

(d) West Bengal

(iv) Which one of the following bio-reserves of India is not included in the world network of bioreserve?

(a) Manas 

(b) Nilgiri 

(c) Gulf of Mannar

(d) Panna

2. Answer the following questions briefly.

(i) What is a bio-reserve? Give two examples.

Answer: 

  • A bio-reserve is a protected area that helps conserve plants, animals, and the natural environment.

  • Examples: Sundarbans (West Bengal), Nilgiri (Tamil Nadu, Kerala, Karnataka)

(ii) Name two animals having habitat in tropical and montane type of vegetation.

Answer: 

  • Tropical vegetation: Elephant, Monkey

  • Montane vegetation: Snow leopard, Red panda

3. Distinguish between

(i) Flora and Fauna:

Answer: 

                        Flora                   Fauna
Refers to plants of a region.Refers to animals of a region.
Includes trees, bushes, herbs, etc.Includes birds, mammals, reptiles, etc.
Example: Teak, Sal, NeemExample: Tiger, Elephant, Peacock
Affected by climate and soil.Affected by habitat and vegetation.
Maintains oxygen and prevents soil erosion.Helps in pollination, food chain, and ecological balance.

(ii) Tropical Evergreen and Deciduous forests:

Answer: 

Tropical Evergreen forestsDeciduous forests
Found in areas with rainfall above 200 cm.Found in areas with rainfall between 200–70 cm.
Trees do not shed leaves all at once.Trees shed leaves in dry summer.
Always look green and dense.Less dense, look brown in dry season.
Found in Western Ghats, Andaman, Assam.Found in Jharkhand, Chhattisgarh, Odisha.
Trees: Rubber, Ebony, Rosewood.Trees: Teak, Sal, Neem, Shisham.

4. Name different types of Vegetation found in India and describe the vegetation of

high altitudes.

Answer: 

Types of Vegetation in India:

  1. Tropical Evergreen Forests

  2. Tropical Deciduous Forests

  3. Thorn Forests and Scrubs

  4. Montane Forests

  5. Mangrove Forests

High Altitude Vegetation (Montane Forests):

  • Found in Himalayas and hilly regions.

  • 1000–2000 m: Oak and chestnut trees.

  • 1500–3000 m: Pine, Deodar, Fir trees.

  • Above 3600 m: Alpine vegetation like Junipers, Mosses, Lichens.

  • Animals: Yak, Snow leopard, Tibetan antelope, Red panda.

5. Quite a few species of plants and animals are endangered in India. Why?

Answer: 

  1. Hunting and poaching for skin, bones, and other parts.

  2. Deforestation for farming, buildings, and roads.

  3. Pollution from chemicals and industries.

  4. Loss of habitat due to population growth and construction.

  5. Climate change and introduction of foreign (alien) species.

6. Why has India a rich heritage of flora and fauna?

Answer: 

  1. India has diverse landforms like mountains, plains, deserts, and islands.

  2. Wide range of climates – from very cold to very hot.

  3. Rich soil types and rainfall patterns help different plants grow.

  4. Protected areas like national parks and wildlife sanctuaries help conservation.

  5. India lies in the tropical zone, which supports biodiversity.

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For More Questions Click Below:




Class 9- Civics

Cahpter 1- What is Democracy? Why Democracy?

Chapter 2- Constitutional Design

Chapter 3- Electoral Politics

Chapter 4- Working of Institutions

Class 9- Economics

Chapter 2- People as Resource



Class 9- Geography



Chapter 3- Drainage

Chapter 4- Climate


Chapter 6- Population

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