NCERT Solutions Class 7 Social Science Chapter 8 Human Environment Interactions The Tropical And The Subtropical Region

NCERT Solutions for Class 7 Social Science Geography Chapter 8 Human Environment Interactions The Tropical And The Subtropical Region

1. Answer the following questions: 

(i) Name the continent in which the Amazon Basin is located. 

Ans. Amazon Basin is located in South America. It lies in the tropical region. 

(ii) What are the crops grown by the people of the Amazon Basin? 

Ans. The crops grown by the people of the Amazon Basin are tapioca, pineapple, and sweet potato. Manioc, also known as cassava is the staple food of the people of the Amazon Basin. 

(iii) Name the birds that you are likely to find in the rainforests of the Amazon. 

Ans. Birds found in the rainforests of the Amazon are toucans, humming birds, birds of paradise, etc. 

(iv) What are the major cities located on the River Ganga? 

Ans. Major cities located on the banks of River Ganga are Allahabad, Kanpur, Varanasi, Lucknow, Patna, and Kolkata. 

(v) Where is one-horned rhinoceros found? 

Ans. The one-horned rhinoceros is found in the Brahmaputra plain. Ninety percent of them are found in the Kaziranga National Park in Assam. 

2. Tick the correct answer. 

(i) Toucans are a type of: 

(a) birds               (b) animals           (c) crops 

(ii) Manioc is the staple food of: 

(a) Ganga Basin        (b) Africa              (c) Amazon

(iii) Kolkata is located on the river: 

(a) Orange                (b) Hooghly       (c) Bhagirathi 

(iv) Deodars and firs are a type of: 

(a) Coniferous trees  (b) Deciduous trees  (c) shrubs 

(v) Bengal tiger is found in: 

(a) mountains            (b) delta area        (c) Amazon  

3. Match the following. 

(i) Cotton textile     (a) Assam 

(ii) Maloca               (b) Terrace farming 

(iii) Piranha            (c) Sericulture 

(iv) Silk worm        (d) Slanting roof 

(v) Kaziranga         (e) Ganga plain 

                                (f) Varanasi 

                                (g) Fish 

Ans. 

(i) Cotton textile       (f) Varanasi 

(ii) Maloca                (d) Slanting roof 

(iii) Piranha              (g) Fish 

(iv) Silk worm          (c) Sericulture 

(v) Kaziranga           (a) Assam       

4. Give reasons: 

(i) The rainforests are depleting. 

Ans. The rainforests are depleting because of indiscriminate deforestation taking place to provide wood for various developmental activities that have started in the Amazon Basin. Forests are being cleared to the set up industries and building roads. Top soil is washed away due to heavy rains converting the forests into barren lands. 

(ii) Paddy is grown in the Ganga-Brahmaputra plains. 

Ans. The soil of the Ganga-Brahmaputra plain is very fertile. These plains also receive adequate rainfall, which is necessary for the cultivation of paddy. Canals from river supply enough water to irrigate paddy fields during the dry season. All these factors contribute to the cultivation of paddy in these plains. 

5. Map skills. 

(i) On an outline map of the Indian subcontinent, draw the rivers Ganga and Brahmaputra from the source to the mouth. Also, show important tributaries to both the rivers. 

Ans.  

(ii) On the political map of South America, draw the equator. Mark the countries through which the equator passes. 

Ans.