ALLSOL

NCERT Solutions For Class 9 Geography Chapter 5 Natural Vegetation and Wildlife

NCERT Solutions For Class 9 Geography Chapter 5 Natural Vegetation and Wildlife

EXERCISE

 

Question:-  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                        (c) Himalayan

(b) Tidal                            (d) Tropical Evergreen

Answer:- (d) Tropical Evergreen

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

(a) 100 cm                        (c) 70 cm

(b) 50 cm                          (d) less than 50 cm

Answer:- (a) 100 cm                        

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

(a) Punjab                        (b) Delhi

(c) Odisha                        (d) West Bengal

Answer:- (c) Odisha                        

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

network of bioreserve?

(a) Manas                        (c) Gulf of Mannar

(b) Nilgiri                         (d) Panna

Answer:- (a) Manas                        

Question:-  2. Answer the following questions briefly.

(i) What factors are responsible for the distribution of plants and animals in India?

Answer:-  The factors that are responsible for the distribution of plants and animals in India are following:-

Climatic conditions:-

  1. Temperature
  2. Humidity
  3. Photoperiod
  4. Precipitation

Relief:-

  1. Land
  2. Soil

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

Answer:- Bio-reserves are protected areas which are there to protect natural vegetation, wildlife and the environment.

Here are two examples:-

  1. Sunderbans
  2. Gulf of Mannar

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

Answer:- Montane vegetation:- Tibetan antelope and  Kashmir stag.

Tropical Evergreen Forests:- bats and sloths

Tropical Deciduous Forests:- snakes and tortoises.

Question:-  3. Distinguish between

(i) Flora and Fauna

Answer:- plants of a particular region or period are referred to as ‘flora,’ while animal species are referred to as ‘fauna.’

 (ii) Tropical Evergreen and Deciduous forests

Answer:-

S.No

Tropical Evergreen

Deciduous forests

1.

They are called rain forest.

They are called Monsoon forest.

2.

No definite time for trees to shed leaves.

Trees shed leaves for about six to eight weeks in the dry summer.

3.

Here rainfall is more than 200 cm.

Here rainfall range is between 200 cm to 70 cm.

Question:-  4. Name different types of Vegetation found in India and describe the vegetation of high altitudes.

Answer:- Different types of vegetation found in India are:-

  1. Tropical Evergreen Forests
  2. Tropical Deciduous Forests
  3. Tropical Thorn Forests and Scrubs
  4. Montane Forests
  5. Mangrove Forests

Vegetation in high altitudes

  1. Alpine vegetation found in altitudes above 3600 m.
  2. Trees in these areas are junipers, birches and pines.

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

Answer:- Quite a few species of plants and animals are endangered in India because of the following reasons:-

  1. Growth in the population
  2. Hunting
  3. Pollution
  4. Deforestation

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

Answer:– India a rich heritage of flora and fauna due to a wide range of relief features, soil, temperature, rainfall, and the length of the day, which determines the hours of sunlight.