Our environment is everything that surrounds us. Human settlements were the outcome of agriculture, and rivers were a boon for agriculture. The first settlements of humans started developing around rivers. The life and culture of people vary in the different natural regions of the world. To score high marks in the examinations, students’ preparation techniques and the resources they refer to matter a lot.
1. Answer the following questions.
(i) Name the continent in which the Amazon Basin is located.
Answer: The Amazon Basin is located in South America.
(ii) What are the crops grown by the people of the Amazon Basin?
Answer: The crops grown by the people of the Amazon Basin are tapioca, pineapple and sweet potato.
NCERT Solutions for Class 7 Social Studies Chapter 5 – Water
(iii) Name the birds that you are likely to find in the rainforests of the Amazon.
Answer: The birds that are likely to be found in the rainforests of the Amazon are toucans, hummingbirds and the birds of paradise, with their brilliantly coloured plumage.
(iv) What are the major cities located on the River Ganga?
Answer: The major cities located on the River Ganga are Allahabad, Kanpur, Varanasi, Lucknow, Patna and Kolkata.
(v) Where is the one-horned rhinoceros found?
Answer: The one-horned rhinoceros is found in the Brahmaputra Plain.
2. Select the correct answer.
(i) Toucans are a type of
(a) birds
(b) animals
(c) crops
Answer: a
(ii) Manioc is the staple food of
(a) Ganga Basin
(b) Africa
(c) Amazon
Answer: c
(iii) Kolkata is located on the river
(a) Orange
(b) Hooghly
(c) Bhagirathi
Answer: b
(iv) Deodars and firs are a type of
(a) Coniferous trees
(b) Deciduous trees
(c) shrubs
Answer: a
(v) Bengal tiger is found in
(a) Mountains
(b) Delta area
(c) Amazon
Answer: b
“UNDERSTANDING THE COMPLEX FACTORS BEHIND CLIMATE CHANGE”
3. Match the following.
| (i) Cotton Textile | (a) Assam |
| (ii) Maloca | (b) Terrace farming |
| (iii) Piranha | (c) Sericulture |
| (iv) Silkworm | (d) Slanting roof |
| (v) Kaziranga | (e) Ganga plain |
| (f) Varanasi | |
| (g) Fish |
Answer:
| (i) Cotton textile | (f) Varanasi |
| (ii) Maloca | (d) Slanting roof |
| (iii) Piranha | (g) Fish |
| (iv) Silkworm | (c) Sericulture |
| (v) Kaziranga | (a) Assam |
4. Give reasons.
(i) The rainforests are depleting.
Answer: The rainforests are depleting because of large-scale development and industrial activities. Deforestation has increased, because of which the topsoil of land is getting washed away, decreasing soil fertility. As a result, trees are unable to grow, and the rainforests are depleting.
(ii) Paddy is grown in the Ganga-Brahmaputra plains.
Answer: Paddy is grown in the Ganga Brahmaputra plains because the cultivation of paddy requires sufficient water for growth. So, it can only grow in areas of high rainfall.
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