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NCERT Solutions for Class 7 Geography chapter 8 – Human Environment Interactions – The Tropical and the Subtropical Region

Back Exercise

Question 1.
Answer the following questions.

  1. Name the continent in which the Amazon Basin is located.
  2. What are the crops grown by the people of the Amazon Basin?
  3. Name the birds that you are likely to find in the rainforests of the Amazon.
  4. What are the major cities located on the River Ganga?
  5. Where is the one-horned rhinoceros found?

Answer.

  1. South America.
  2. The people of the Amazon Basin grow tapioca, pineapple, and sweet potato. Cash crops such as coffee, maize, and cocoa are also grown.
  3. Name the birds that you are likely to find in the rain forests of the Amazon.
  4. The major cities located on the river Ganga are Allahabad, Kanpur, Varanasi, Lucknow, Patna, and Kolkata.
  5. One-horned rhinoceros is found in the Brahmaputra plain (Assam).

Question 2.
Tick the correct answer.
(i) Toucans are a type of
(a) birds
(b) animals
(c) crops
Answer.
(a) birds

(ii) Manioc is the staple food of
(a) Ganga Basin
(b) Africa
(c) Amazon
Answer.
(c) Amazon

(iii) Kolkata is located on the river
(a) Orange
(b) Hooghly
(c) Bhagirathi
Answer.
(b) Hooghly

(iv) Deodars and firs are a type of
(a) Coniferous trees
(b) Deciduous trees
(c) Shrubs
Answer.
(a) Coniferous trees

(v) Bengal tiger is found in
(a) mountains
(b) delta area
(c) Amazon
Answer.
(b) delta area (Sundarbans)

Question 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                                         (e) Ganga plain
(ii) Maloca                                                  (d) Slanting roof
(iii) Piranha                                                (g) Fish
(iv) Silkworm                                              (c) Sericulture
(v) Kaziranga                                              (a) Assam

Question 4.
Give reasons.

  1. The rainforests are depleting.
  2. Paddy is grown in the Ganga-Brahmaputra plains.

Answer.
1. The rainforests are depleting because of the developmental activities that are going on at fast speed. The biologically diverse rainforests are being destroyed day by day. It is estimated that a large area of the rainforest has been disappearing annually in the Amazon basin. As a result, the topsoil is washed away when the rains fall and the lush green forest turns into a barren landscape.

2. The cultivation of paddy requires sufficient water. The Ganga-Brahmaputra plains fulfill this condition because they receive high rainfall.

Question 5.
Map skills.
(i) On an outline map of the Indian sub-continent, draw the rivers Ganga and Brahmaputra from the source to the mouth. Also, show the important tributaries of both rivers.
(ii) On the political map of South America, draw the equator. Mark the countries located on the equator.
Answer.
(i) See the following map of India and do the exercise.

(ii)

Countries located on the Equator:

Question 6.
For fun.
Make a collage to show places of attractions in India. You can divide the class into different groups to show attractions based on mountain landscapes, coastal beaches, wildlife sanctuaries, and places of historical importance.
Answer.
Some examples have been given below. Please collect more photos yourself