NCERT Solutions For Class 7 Geography Social Science Chapter 8 Human Interactions The Tropical and The Sub Tropical Regions - Free PDF

Geography - Class 7

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Chapter 8: Human Interactions The Tropical and The Sub Tropical Regions

Question 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
  • Sweet potato.
(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 rainforest of the Amazon are:-

  • Toucans
  • Hummingbirds
  • Birds of Paradise etc.
(iv) What are the major cities located on the River Ganga.

Answer:The major cities that are located on the river Ganga are:-

  • Allahabad
  • Kanpur
  • Varanasi
  • Lucknow
  • Patna
  • Kolkata.
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(v) Where is the one-horned rhinoceros found?

Answer:The one-horned rhinoceros is found in the Brahmaputra plains.

Question 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


(i). (a) Birds

(ii). (c) Amazon

(iii). (b) Hooghly

(iv). (a) Coniferous trees

(v). (b) Delta area

Question 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


(i) Cotton textile (f) Varanasi
(ii) Maloca (d) Slanting roof
(iii) Piranha (g) Fish
(iv) Silk worm (c) Sericulture
(v) Kaziranga (a) Assam

Question 4:Give reasons.

(i) The rainforests are depleting.

Answer:The developmental and industrial activities on a large scale are leading to the gradual destruction of the biologically diverse rainforest. It is estimated that a large area of the rainforest has been disappearing annually in the Amazon basin. The topsoil is washed away as the rain falls and the lush forest turns into a barren landscape resulting in deforestation.

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

Answer:The Ganga Brahmaputra plain area provides the most suitable land for human habitation. The area is dominated by a monsoon climate. The soil is fertile here and flat land is available to grow crops. People mostly grow paddy here because the cultivation of paddy requires sufficient water, so it is grown in areas where the amount of rainfall is high.

Question5 :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 the rivers.
(ii) On the political map of South America, draw the equator. Mark the countries through which the equator passes.
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Intext Questions:

Question :River Brahmaputra is known by different names in different places. Find the other names of the river.

Answer:Yarlung Tsangpo in Tibet, the Siang/Dihang River in Arunachal Pradesh, and Luit, Dilao in Assam.