Chapter 6: Human-Environment Interactions The Tropical and the Subtropical Region

Q1Written answer

Answer the following questions.

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

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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.

(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.

Q2Written answer

Select the correct answer.

(i) Toucans are a type of

(a) birds

(b) animals

(c) crops

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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

Q3Written answer

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

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

Q4Written answer

Give reasons.

(i) The rainforests are depleting.

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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.

Human Interactions – The Tropical and the Subtropical Regions

Chapter 8 – Human Interactions – The Tropical and Subtropical Regions from the book “Our Environment”, the NCERT book for Geography, discusses the following:

1. Life in the Amazon Basin

a. Climate

b. Rainforests

c. People of the Rainforests

1. Life in the Ganga – Brahmaputra Basin

a. Vegetation

b. Wildlife

c. Cities & Tourism

Students can get detailed NCERT Solutions for Class 7 Social Science in the linked article.

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