NCERT Solutions Class 7 Social Science Geography Natural Vegetation and Wildlife

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NCERT Solutions for Class 7 Social Science Geography Chapter 6 Natural Vegetation and Wildlife

1. Answer the following questions: 

(i) Which are the two factors on which the growth of vegetation mostly depends? 

Ans. The two main factors on which the growth of vegetation depends are: 

(a) Temperature

(b) Moisture 


(ii) What are the three broad categories of natural vegetation? 

Ans. The three broad categories into which natural vegetation can be classified are: 

(a) Forests 

(b) Grasslands, and 

(c) Shrubs 


(iii) Name the two hardwood trees commonly found in tropical evergreen forest. 

Ans. Two hardwood trees commonly found in tropical evergreen forest are: 

(a) Rosewood

(b) Ebony 


(iv) In which part of the world are tropical deciduous forest found? 

Ans. Tropical deciduous forests are found in large parts of India, Northern Australia, and in Central America. 


(v) In which climatic conditions are citrus fruits cultivated? 

Ans. Citrus fruits are mainly cultivated in Mediterranean climate as they experience hot dry summers and mild rainy waters. 


(vi) Mention the uses of coniferous forest. 

Ans. Softwood evergreen trees are found in the coniferous forest. These trees are used for making pulp, which is used for manufacturing paper and newsprint. Match boxes and packing boxes are also made from softwood. 


(vii) In which part of the world is seasonal grassland found? 

Ans. Seasonal grasslands are found in the mid-latitudinal zones and in the interior parts of the continents. 


2. Tick the correct answer. 

(i) Mosses and lichens are found in: 

(a) Desert vegetation 

(b) Tropical evergreen forest 

(c) Tundra vegetation


(ii) Thorny bushes are found in: 

(a) Hot and humid tropical climate 

(b) Hot and dry desert climate

(c) Cold polar climate 


(iii) In tropical evergreen forest, one of the common animals is: 

(a) Monkey           (b) Giraffe            (c) Camel 


(iv) One important variety of coniferous forest is: 

(a) Rosewood            (b) Pine             (c) Teak 


(v) Steppe grassland is found in: 

(a) S. Africa               (b) Australia       (c) Central Asia


3. Match the following: 

(i) Walrus               (a) Soft wood tree  

(ii) Cedar                (b) An animal of tropical deciduous forest   

(iii) Olives               (c) A polar animal 

(iv) Elephants         (d) Temperate grassland in Australia     

(v) Campos             (e) Thorny shrubs 

(vi) Downs              (f) A citrus fruit 

                              (g) Tropical grassland of Brazil 


(i) Walrus               (c) A polar animal   

(ii) Cedar                (a) Soft wood tree 

(iii) Olives               (f) A citrus fruit 

(iv) Elephants          (b) An animal of tropical deciduous forest   

(v) Campos             (g) Tropical grassland of Brazil 

(vi) Downs              (d) Temperate grassland in Australia 


4. Give reasons. 

(i) The animals in polar region have thick fur and thick skin. 

Ans. Polar regions experience extremely low temperatures. Therefore, the animals of polar regions are naturally adapted to protect themselves from extreme cold by having thick fur and thick skin. 

(ii) Tropical deciduous trees shed their leaves in the dry season. 

Ans. Plants lose water from their leaves through the process of transpiration. As tropical deciduous trees are found in regions, which do not experience rainfall throughout the year, they shed their leaves in the dry season to conserve water. 

(iii) The type and thickness of vegetation changes from place to place. 

Ans. The growth of vegetation depends upon many factors like temperature, moisture, height of land, slope, and thickness of soil. The type and thickness of vegetation varies from place to place because of variation in these factors. 


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