NCERT Solutions for Class 7 Geography Social Science Chapter 8 Human Interactions The Tropical and The Sub Tropical Regions | The Tropical and The Sub Tropical Regions.
VERY SHORT QUESTIONS ANSWER.
Q1. Name the continent in which the Amazon Basin is located.
Ans: The Amazon Basin is located
in South America.
Q2. What are the crops grown by the people of the
Amazon Basin.
Ans: The crops grown by the
people of the Amazon Basin are tapioca, pineapple and sweet potato.
Q3. Name the birds that you are likely to find in
the rainforests of the Amazon.
Ans: The birds that are likely
to be found in the rainforests of Amazon are toucans, humming birds and the
birds of paradise, with their brilliantly colored plumage.
Q4. What are the major cities located
on the River Ganga?
Ans: The major cities located on
the River Ganga are Allahabad, Kanpur, Varanasi, Lucknow, Patna and Kolkata.
Q5. Where is the one-horned
rhinoceros found?
Ans: The one-horned rhinoceros
is found in the Brahmaputra Plain.
SHORT QUESTIONS ANSWER.
Q1. What do
the people of Amazon rainforest grow?
Ans. They
mainly grow tapioca, pineapple and sweet potato.
Q2. What are
the cash crops grown by people of Amazon Basin?
Ans. The cash crops grown by people of
Amazon Basin are coffee, maize and cocoa.
Q3. What is called “Maloca”?
Ans. Large
apartment-like houses called “Maloca” with a steeply slanting roof.
Q4. What is called the river’s mouth?
Ans. The place where a river flows into
another body of water is called the river’s mouth.
Q5. Who was the first person to discover the Amazon River?
Ans. Francisco de Orellana was a Spanish
explorer who discovered the Amazon River.
Q6. Name the countries of the basin through which the equator passes.
Ans. The countries of the basin through
which the equator passes are Brazil, Ecuador and Columbia.
Q7. Where
Ganga and Brahmaputra basin lies?
Ans. The basin lies in the sub-tropical
region that is situated between 10°N to 30°N latitudes.
Q8. What is
the Ganga Brahmaputra basin?
Ans. The
tributaries of rivers Ganga and Brahmaputra together form the Ganga-Brahmaputra
basin in the Indian subcontinent.
Q9. What are
the other names of Brahmaputra?
Ans. Tibet
- Yarlung Tsangpo, Arunachal Pradesh – Dihang, Assam – Brahmaputra, Bangladesh
– Jamuna.
LONG QUESTIONS ANSWER.
Q1. What is
slash and burn practice?
Ans.
- Slash and Burn is a way of cultivating land where farmers clear a piece of land by slashing or cutting down trees and bushes.
- These are then burnt, which releases the nutrients into the soil. Now crops are grown in this cleared field for a few years.
- After repeatedly using the patch of land, the soil looses its nutrients. So it is abandoned.
- Then they clear another plot of land to plant. In the meantime young trees grow in the old field.
- In this way soil fertility is restored. People can then return to it and start cultivating it again.
Q2. What is the type of climate of the Amazon basin?
Ans.
- The Amazon Basin stretches directly on the equator and is characterized by hot and wet climate throughout the year.
- Both day and nights are almost equally hot and humid. The skin feels sticky.
- It rains almost every day, that too without much warning. The day temperatures are high with very high humidity.
- At night the temperature goes down but the humidity remains high.
Tick the correct answer.
(i) Toucans are a type of
(a) birds
(b) animals
(c) crops
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
Give reasons.
(i) The rainforests are depleting.
Ans: The rainforests are depleting because of the large scale
development and industrial activities. Deforestation has increased, because of
which the topsoil of land is getting washed away, decreasing the soil
fertility. As a result, trees are unable to grow and the rainforests are
depleting.
(ii) Paddy is grown in the
Ganga-Brahmaputra plains.
Ans: 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.
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 |
