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CBSE 9th Social Science - Natural Vegetation and Wildlife Model Question Paper

Published on: 09/12/2019

Natural Vegetation and Wildlife

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Std: 9th Standard CBSE - Social Science

chapter: - Model Question paper

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Questions:

Multiple Choice Question

10 x 1 = 10

Name the animal which lives in swampy and marshy lands of Assam and West Bengal

(a)

Elephants

(b)

One horned Rhinoceros

(c)

Nilgai

(d)

Lion

Identify the country where Tigers and Lions both are found.

(a)

Pakistan

(b)

India

(c)

Bangladesh

(d)

Africa

What have been set up to take care of natural heritage?

(a)

National parks

(b)

Wildlife sanctuaries

(c)

Zoological gardens

(d)

All of thses

In thorn forests and scrubs,why are leaves of trees mostly thick and small?

(a)

To maximum evaporation

(b)

To minimise evaporation

(c)

To reduce moisture

(d)

To do nothing

In which type of forest are elephants,monkeys,lemur and deer found?

(a)

The thorn forests

(b)

Tropical deciduous forests

(c)

Tropical evergreen forests

(d)

Mangrove forests

Which one of the following tree is found in tropical rain forest?

(a)

Mahogany

(b)

Teak

(c)

Sal

(d)

Peepal

Natural vegetation referring to a plant community which has grown naturally without human aid and has been left undistributed by humans for a long time,is termed as

(a)

endemic vegetation

(b)

virgin vegetation

(c)

natural vegetation

(d)

desert vegetation

What percentage does India has in the world in respect of number of flowering plants?

(a)

(b)

(c)

(d)

In which of the following state is Simplipal bio-reserve located?

(a)

Punjab

(b)

Odisha

(c)

Delhi

(d)

West Bengal

10.

Cinchona trees are found in the areas of rainfall more than

(a)

100 cm

(b)

70cm

(c)

50 cm

(d)

less than 50 cm

Generic 3

6 x 3 = 18

11.

Why is it necessary to increase our area under forests?

12.

Describe the differences between tiger and lion

13.

Name the bio-reserve which have been included in the world network of bio-reserve.

14.

Suggest two conserve natural vegetation in western Rajasthan.

15.

Write the features of dry deciduous forests?

16.

Write the features of moist deciduous forests.

Generic 2

3 x 2 = 6

17.

Mention major birds of India.

18.

Where are the rhinoceros found?

19.

Which type of animals are found in the thorn forests and scrufs?

Generic 5

1 x 5 = 5

20.

Where have the 14 bio-reserves been set up?

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Answers Key:

Multiple Choice Question

10 x 1 = 10

(b)
One horned Rhinoceros

(b)
India

(d)
All of thses

(b)
To minimise evaporation

(a)
Mahogany

(b)
virgin vegetation

(b)
Odisha

10.

(a)
100 cm

Generic 3

6 x 3 = 18

11.

Forests play an important role in the growth and development of national economy.
(i) They help in checking soil ersion,attracting moisture from atmosphere and causing rainfall and decrasing air pollution
(ii) Forests also provide us tiber ,herbs,wood pulp and other raw materials for our industries
(iii) They also act as adobe for wild and birds
(iv) For the balanced developement of our economy,the forest cover should be 33.3% of the total geographical area but our present forest cover is 22.3% of the total geographical area.
Hence there is a dire need for increase of our area under forests.

12.

Differences between Tiger and Lion:

Tiger	Lions
1.Brain of tiger is 25% larger as compared to lion	1.Brain of lion is smaller than tiger
2.Tiger's body length is about 3.38 metre and weight is 383 kg	2.Length of the tiger and lion are equal ;but weight of lions is approximately 170 kg to 225 kg
3.There are srtips of yellow,black and white colour on the body	3.There are no strips on the body of kion
4.Tigers are approximately predators of mainly large anima ls such as buffaloes, deer,elephant etc	4. Lions preys both medium and large animals
5.Tigers are widely present acros Asia.Turkey in the west to eastern part of India	5. Lions present in Asia and sub-Sahara Africa
6.Total population of tiger in theworld is 3000 to 4000	6.Total population of lions in the world is less than 20,000
7.Speed of tiger is lesser than lion	7.Speed of lions is more than tiger
8.Tiger consumes more meat approximately double than ion	8.Lion consumes less meat than tiger
9.Tiger eat meat only hunted by self	9.Lion can eat meat hunted by other animals also;Such as hunted by leopard,tiger etc.

Current tiger population in India is 2226 Institute 70% of world's tiger population.There are 49 tiger National Parks in 18 states across India.

13.

Bio-reserves included in the world network of bio-reserves
(i) Sunderbans(West Bengal)
(ii) Nilgiris(at ti of Tamilnadu,Karnataka & Kerala)
(iii) Gulf of Mannar (Tamilnadu)
(iv) Nanda Devi(Uttarakhand)

14.

Measures to conserve natural vegetation in western Rajasthan:
Western Rajasthan has desert of climate.So natural vegetation can be conserved by:
(i) rainwater harvesting and irrigation
(ii) by making canals for irrigation
(iii) avoid growing crops as it need much water
(iv) minimising cattle grazing on natural pastures
(v) whatever trees are there,should be protected and should not cut.

15.

(i) These forests are found in the regions having rainfall between 100 cm and 70 cm.
(ii) This type of vegetation is found in the rainier party of the peninsular plateau.
(iii) A large part of this region has been cleared for cultivation.Some parts are used for grazing.
(iv) In the open stretches of these forests are lion,tiger,pig,deer and elephant.
(v) A huge variety of birds,lizards,snakes and tortoises are also found here.

16.

1.These forests ar found in areas recieving rainfall between 200 and 100 cm.
2.These forests exists mostely:
(a) In eastern part of the country
(i) Northeastern states,along the foothills of the Himalayans,Jharkand,west Orissa and Chhattisgarh
(b) Eastern slopes of Wetern Ghants
3.Dominant species of this forest are:
(i) Teak,bamboos,shisham.sandalwood,khair,kusum ,arjun,mulberry
4.Common animals are:
(ii) Elephant,lion,tiger,beer etc.

Generic 2

3 x 2 = 6

17.

Peococks,pheasants,ducks,mynahs,parkeets,pigeons,cranes,etc.

18.

In the swampy and marshy lands of Assam and West Bengal

19.

The common animals of these forests are rats,mice,rabbits,fox wolf,tiger,lion,wild ass,horses and camels

Generic 5

1 x 5 = 5

20.

Fourteen bio-reserves
(i) Sunderbans (W.Bengal)
(ii) Gulf of Mannar(Tamilnadu)
(iii) The Nilgiris(at tri junction of TamilNadu,Karnataka and Kerala)
(iv) Nanda devi(Uttarakand)
(v) Nokrek (Meghalaya)
(vi) Great Nicobar(A and N Islands)
(vii) Manas(Assam)
(viii) Simpipal(Odisha)
(ix) Dihang-Dibang(Arunachal Pradesh)
(x) Dibru-Saikhowa(Assam)
(xi) Agasthyamalai(Kerala&TamilNadu)
(xii) Kanchenjunga(Sikkim)
(xiii) Panchamari(Madhya Pradesh)
(xiv) Achanakmar-Amarkantak(Madhya Pradesh)