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Human Environment Interactions, The tropical and subtropical regions| Class 7| Our Environment UPSC

 1. Answer the following questions.


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

Answer:

  • South America.


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

Answer:

The following are crops grown by the people of the Amazon Basin:

  • Tapioca
  • Pineapple
  • Sweet Potato
  • Manioc( staple food)
  • Cash crops such as coffee, Maize, cocoa


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

Answer:

The following are birds on the rainforest of the Amazon:

  • Toucans
  • Humming 


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

Answer:

The following are cities:

  • Haridwar
  • Allahabad
  • Kanpur
  • Varanasi
  • Lucknow
  • Patna
  • Kolkata


(v) Where is the one-horned rhinoceros found?

Answer:

  • One-horned rhinoceros found in the Brahmaputra plain especially in Kaziranga National Park in Assam.


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


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:

Due to the growing human population, humans are encroaching the areas of the trainforest for economic activities and for fulfilling the growing needs.

The following are major reasons:

  • Deforestation
  • Land fragmentation 
  • Forest Fire
  • Growing mining, infrastructure development in rainforest areas.


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

Answer:

  • Cultivation of Paddy crops requires sufficient water and flat fertile land characterized by clay soil. Ganga-Brahmaputra plains fulfill the above requirements.


5. Map skills.


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

Answer:

The following diagram shows.

Ganga Brahmaputra river


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

Answer:

Equator in south America


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