Class 7 Chapter 8 Geography

Class 7

Chapter 8 Geography

Human Environment Interactions: The Tropical and Subtropical Regions

Study Material

Q1. Match the Column ‘A’ with the Column ‘B’:-

                        A                                 B

            1. Susu                                     Assam.                         (2)

            2. Hilsa                                      Mangrove Forests.      (3)

            3. Tea                                           Blind Dolphin.              (1)

            4. Gang-Brahmaputra Delta     Fish.                            (4)

Q2. Answer the following questions in briefly:

1.      What is the location of the equatorial region?

Ans: The equatorial region is located in 10⁰N and 10⁰S.

2.      By which other name is the equatorial region known?

Ans: The equatorial region is also known as tropical region.

3.      What is the ‘mouth’ of a river?

Ans: The place where a river flows into another body of water is called the river’s mouth.

4.      What are tributaries?

Ans: Tributaries are the small rivers that join the main river.

5.      Where is one-horned rhinoceros found?

Ans: One horned rhinoceros is found in Brahmaputra Plain.

6.      What are the major cities located along the River Ganga?

Ans: The major cities located along the River Ganga are Allahabad, Kanpur, Varanasi, Lucknow, Patna and Kolkata.

7.      Name the continent in which the Amazon Basin is located.

Ans: The Amazon Basin is located in the South America continent.

8.      What are the crops grown by the people of the Amazon Basin?

Ans: The people of Amazon Basin grow tapioca, pineapple and sweet potato.

9.      Name the birds that you are likely to be found in the rainforests of the Amazon.

Ans: The birds that are likely to be found in the rainforests of the rainforests are toucans, humming birds, birds of paradise with their brilliantly coloured plumage, oversized bills.

10.  Describe the houses of the dwellers of the rainforests.

Ans: The rainforests provide a lot of wood for houses. Some families live in thatched houses shaped like beehives. There are other large apartment-like houses called “Maloca” with a slanting roof.

Q3. Give reasons:

1.      Paddy is grown in the Ganga-Brahmaputra plain.

Ans: Paddy needs a lot of water, alluvial soil and fertile land. The Ganga Brahmaputra plains fulfil these conditions. The temperature and the rainfall of the area are also favorable for the paddy crops.

2.      The rainforests are depleting.

Ans: The rainforests are depleting due to the following reasons:

a.      The growing population.

b.      People grow most of their food after clearing trees in the forests.

c.       The increase in the need of cultivation land.

d.      The increase in the developmental activity.

e.      The increase in deforestation.

f.        Topsoil is washed away as rains fall.

Q4. Answer the following question in detail:

1.      Mention any four characteristic of rainforests.

Ans:

a.      The Amazon basin lies very close to the equator: between 10⁰N and 10⁰S.

b.      The river Amazon flows through this region.

c.       Both day and night are almost equally hot and humid.

d.      It rains almost every day.

e.      Thick forests grow in this region.

f.        The region is rich in flora and fauna.