RBSE Class 7 Social Science Important Questions Geography Chapter 8 Human Environment Interactions: The Tropical and the Subtropical Regions

Rajasthan Board RBSE Class 7 Social Science Important Questions Geography Chapter 8 Human Environment Interactions: The Tropical and the Subtropical Regions Important Questions and Answers. 

RBSE Class 7 Social Science Important Questions Geography Chapter 8 Human Environment Interactions: The Tropical and the Subtropical Regions

Multiple Choice Questions

Question 1. 
The flesh eating fish found in the Amazon basin is known as:
(a) Catla 
(b) Piranha
(c) Rohu 
(d) Hilsa
Answer:
(b) Piranha

 

Question 2. 
Amazon river basin is the largest river basin in the:
(a) North America
(b) Equatorial Region
(c) World
(d) Pacific
Answer:
(c) World

Question 3. 
An important port on river Hooghly is:
(a) Mumbai 
(b) Kolkata
(c) Goa 
(d) Chennai
Answer:
(b) Kolkata

Question 4. 
The, main crops grown in the Amazon basin are:
(a) Tapioca, Pineapple and Sweet potato
(b) Wheat and Maize
(c) Sorghum and Gram
(d) Millets and Bajra
Answer:
(a) Tapioca, Pineapple and Sweet potato

Question 5. 
The one-horned rhinoceros are found in the:
(a) Ganga plain 
(b) Brahmaputra plain
(c) Coastal region
(d) Himalayas
Answer: 
(b) Brahmaputra plain

Fill in the blanks

Question 1. 
To conserve the river ganga, .............  ganga programme has been initiated.
Answer: 
Namami

Question 2. 
The Prime Minister of India launched the ‘Swachh Bharat Mission’ on ............. 
Answer: 
2nd October

Question 3. 
The place where a river flows into another body of water is called river’s ............. 
Answer: 
mouth

Question 4.
 ............. are small rivers that join the main river.
Answer: 
Tributaries

 

Question 5.    
The............. basin is the largest river basin in the world.
Answer: 
amazon

True/False

Question 1. 
Spanish explorers discovered the Amazon river.
Answer:  
True

Question 2. 
It rains only for two months in the Amazon basin.
Answer:  
False,

Question 3. 
The flesh eating piranha fish is found in Amazon river.
Answer:  
True

Question 4. 
In the Ganga-Brahmaputra delta area, Bengal tiger, crocodiles and alligators are found.
Answer:  
True

Question 5. 
Agra is on the confluence of river Ganga and Yamuna. 
Answer:  
False.

Match the column 

Column A	Column B
1. Susu	(a) Variety of snakes
2. Kolkata	(b) Important port
3. Cassava	(c) Stored water in leaves
4. Bromeliads	(d) Blind-dolphin
5. Anaconda and	(e) Underground boaroot

Answer:  

Column A	Column B
1. Susu	(d) Blind-dolphin
2. Kolkata	(b) Important port
3. Cassava	(e) Underground boaroot
4. Bromeliads	(c) Stored water in leaves
5. Anaconda and	(a) Variety of snakes

Very Short Answer Type Questions

Question 1.
What are the crops grown by the Amazon people?
Answer:  
The major crops of the Amazon basin are Coffee, Cocoa, and Maize.

 

Question 2. 
Which is the largest river basin of the world?
Answer:  
Amazon river basin is the largest river basin of the world.

Question 3. 
Where are the one-horned rhinoceros found?
Answer:  
One-horned rhinoceros are found in the Brahmaputra basin.

Question 4. 
Which kind of forests are found in the Amazon basin?
Answer:  
Tropical evergreen forests are found in the Amazon basin.

Question 5. 
What are bromeliads?
Answer:  
Bromeliads are special plants that store water in their leaves.

Question 6. 
What are ‘Maloca?
Answer:  
Maloca are the long houses with a steep and slanting roof found in Amazon basin.

Question 7. 
Name the animals that you are likely to find in the rainforests of the Amazon?
Answer:  
Animals like monkeys, sloth, ant-eating tapirs and various species of reptiles and snakes also thrive in these jungles.

Question 8. 
Name the birds that you are likely to find in the rainforests of the Amazon?
Answer:  
Toucans, humming bird and the bird of paradise with their brilliant coloured plumage are the major birds found here.

Question 9. 
What is river’s mouth?
Answer:  
The place where a river flows into
 
Question 10. 
Define the tributary.
Answer:  
The small rivers that join the main river are called its tributaries, for example Son, Yamuna are tributaries of Ganga.

Question 11. 
River Brahmaputra is known by different names in different places. It is called Tsangpo in Tibet. Find the other names of the river.
Answer:  Dihang, Dibang, Jamuna, Meghna, Padma etc.

Question 12. 
What is the climate of Ganga- Brahmaputra Basin?
Answer:  
The Ganga-Brahamputra Basin is dominated by monsoon climate.

Question 13.
Why are terraces built on the mountain slopes?
Answer:  
Terraces are built on the gentle (mountain) slopes to create flat surfaces on which crops are grown. The slope is removed so that water does not ran off rapidly.

Question 14.
Where is blind variety of dolphin found?
Answer:  
In the fresh water of River Ganga and River Brahmaputra, blind variety of dolphin, locally called Susu, is found.

Short Answer Type Questions

Question 1. 
What is terrace farming? Give example.
Answer:  
Terrace farming is the method of farming on the hill slopes. In this method, the steep slopes are cut in a way that the surface does not allow the water to go down rapidly. Tea and coffee are the major plantation crops which are grown by this method on the hill slopes.

 

Question 2. 
Describe the climatic conditions of the Ganga-Brahmaputra basin which help in the agriculture?
Answer:  
The Ganga-Brahmaputra basin is very habitable for the mankind. The climatic conditions here are very good for cultivation which are as follows :

1. Temperature is not so high here and it is good enough for the wheat, maize and other food crops cultivation.
2. Monsoon is the maj or source of water but besides that, Ganga and Brahmaputra are the rivers which provide water for irrigation through canals.
3. Western disturbances also help the crops to grow, like rabi crop in Punjab, Haryana and western Uttar Pradesh.

Question 3. 
Mention the climatic conditions of the Amazon basin?
Answer:  
The climatic and the weather conditions in Amazon are very unique. The climatic conditions of this region are :

1. Heavy rain is the part of daily life in these areas.
2. Temperature in these areas remains high throughout the year.
3. Heavy rain and high temperature nourish very unique species of plants and animals here.

Question 4. 
How is tourism an important activity in the Ganga-Brahmaputra basin?
Answer:  
The Ganga-Brahmaputra plain has several big towns and cities such as Prayagraj; Kanpur, Varanasi, Lucknow, Patna and Kolkata. From tourist point of view theseeities are important. Tajmahal on the bank of river yamuna in Agra, Prayagraj on the confluence of the rivers Ganga and Yamuna, Buddhists stupas in Uttar Pradesh and Bihar,* Lucknow with its Imambara, Assam with Kaziranga and Manas with wild life sanctuaries and Arunachal Pradesh with a district tribal culture are the places for which tourists visit here. These places are easily reachable for tourists because the four ways of transport are well developed in these regions.

Question 5. 
What is slash and burn practice?
Answer:  
Slash and burn is a method of cultivating land where farmers dear 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 the 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 for agriculture. In the meantime, the young trees grow in the old field. In this way, soil fertility is restored.

Question 6. 
What are the similarities or differences between the people of different countries?
Answer:  
People of deserts, frozen land or hot wet forests only look different, they have same basic needs of food clothing and shelter. The children are all alike,they play same games, sing, dance, fight or makeup. The main difference is that some of them live dose to nature and have learnt to use and protect nature.

Question 7. 
What is the climate of Ganga- Brahmaputra Basin?
Answer:  

1. Ganga-Brahmaputra Basin is dominated by monsoon climate.
2. The monsoon brings rains from mid-J one to mid-September.
3. The summers are hot.
4. The winters are cool and generally dry. 

Question 8. 
Which towns and 'cities are located in the Ganga-Brahmaputra Basin?
Answer:  

1. The Ganga-Brahmaputra Plain has several big towns and cities.
2. The cities of Prayagraj, Kanpur, Varanasi, Lucknow, Patna all with a population of more than ten lakhs are located along the River Ganga.
3. The waste water from these towns and industries is discharged into the river leading to its pollution.

Question 9. 
Write a note on the transpor-tation found in the Ganga- Brahmaputra Basin.
Answer:  

1. All the four means of transport are well-developed in Ganga-Brahmaputra basin.
2. The plain areas, the roadways and railways transport the people from one place to another.
3. The waterways is an effective means . of transport particularly along the rivers. Kolkata is an important port on the river Hooghly.
4. The plain areas have a large number of airports.

Long Answer Type Questions

Question 1. 
What are the ecological chara-cteristics of the Amazon basin?
Answer:  
The ecological characteristics of the Amazon basin are very important because this region is still not touched by the process of industrialisation. Below given are some points showing the ecological importance of the Amazon basin elsewhere in the world.

1. 20% of the total earth’s water is in the Amazon river.
2. This is a place of various types of species. These species are not found elsewhere in the world.
3. Various endangered species are also found in these regions which are rarely found on the earth. 

 

Question 2. 
Differentiate between the Ganga-Brahmaputra basin and the Amazon basin.
Answer:  
The major differences between these two river basins are: 

Ganga-Brahmaputra basin	Amazon basin
1. Climatic conditions: Temperate climate is found here. The climatic conditions in this basin are very good, which helps in the production of crops.	Climatic conditions: In the Amazon basin tropical climate conditions are seen. Though very unique species of plants and animals are
2. Population density: Because of the very habitable climatic conditions, the population density is very high in these areas of the continent.	found here. Population density: Population density is very low in these areas because the climatic conditions are veiy inhabitable in these areas.
3. Cash crops: The major cash crops in this region are wheat, maize, sorghum, gram and millets.	Cash crops: Coffee, maize and cocoa are the main cash crops in this basin.
4. Flora and fauna: Teak, Sal, Peepal are the most common trees and one- homed rhinoceros are the important animals found in this area.	Flora and fauna: Toucans, humming bird and the bird of Paradise are some of the unique species. There is vegetation which is thick and dense.