RBSE Solutions for Class 8 Social Science Chapter 3 Water Resources

RBSE Solutions for Class 8 Social Science Chapter 3 Water Resources

RBSE Solutions for Class 8 Social Science Chapter 3 Water Resources are part of RBSE Solutions for Class 8 Social Science. Here we have given RBSE Rajasthan Board Solutions for Class 8 Social Science Chapter 3 Water Resources.

Rajasthan Board Class 10 Science Textbook Questions Solved

Question 1.
Choose the correct option-

1. Banas and Bedach rivers are the tributaries of which river?
   (a) Chambal
   (b) Luni
   (c) Banganga
   (d) Mahi
2. Som Kamla Amba project is located in:
   (a) Barmer
   (b) Dungarpur
   (c) Udaipur
   (d) Kota

Answer:

1.  (c)
2.  (b)

Question 2.
Fill in the blanks:

1. ………river water forms swampy land in the Ghana Bird National Sancturay of
   Bharatpur.
2. ………….is the largest canal system of Asia, also known as Maru Ganga.
3.  The biggest man-made freshwater lake of the world is ……………..
4.  Pt. Jawaharlal Nehru called the River Valley projects as the………….

Answer:

1.  Banganga
2. Indira Gandhi Canal
3.  Jaisamand Lake
4.  Temples of Modern India

Question 3.
What do you understand by Water distributing Line?
Answer:
Elevated land between two adjacent drainage basins which drains water to different directions is known as the Water distributing Line.

Question 4.
Name the main tributaries of the river Banas.
Answer:
The tributaries of the river Banas are Kothari, Gambhiri, Khari, and Morel etc.

Question 5.
Name the main River Valley Projects of Rajasthan.
Answer:
The main River Valley Projects of Rajasthan are:

1. The Chambal Project.
2. Mahi Bajaj Sagar Project.
3. Bisalpur Project.
4. Sardar Sarovar Project.

Question 6.
Write’ briefly about the Chambal Project.
Answer:
Chambal River Valley Project is a joint project of Rajasthan and Madhya Pradesh. Total four dams have been constructed under this project, one is in Mandsaur district of Madhya Pradesh, known Gandhi Sagar Dam and the other three are in Rajasthan, as Rana Pratap Sagar in Chittorgarh district, and Jawahar Sagar and Kota Barrage Dams in Kota district. The Chambal project generates hydro-electricity for both the states and facilitates irrigation.

Question 7.
What do you mean by water conservation? How can water be conserved?
Answer:
Conservation of Water means preserving available resources safely. In other words, conservation of resources means careful management and keep of the available resources so as to act as a check on their unnecessary exploitation. Water conservation has become most essential because it sustains the human, animal and vegetation plant life. It is essential for industries, environmental and recreational conditions.
Ways to conserve water resources:
If following steps are taken by the citizens, society and administration can help in the conservation and management of water resources:
(i) Taking care not to throw domestic and industrial wastes in the water resource., much as wells, tanks, rivers etc.
(ii) Not bathing and washing in or near the water resources.
(iii) Removing unnecessary vegetation growth in and around the water bodies.
(iv) Redistribution of water by diverting water through canals from the high rainfall areas to the scarce rainfall or drought areas.
(v) Other means can be accumulation of water, population control, application of advanced technology for irrigation, tree- plantation, recycling of water and careful uses of underground water.

RBSE Solutions for Class 10 Additional Questions Solved

 Multiple Choice Questions

Question 1.
Rajasthan’s industrial city Kota is located on the Bank of river:
(a) Gambhiri
(b) Chambal
(c) Bedach
(d) Luni

Question 2.
The water of river Luni is usable up to district:
(a) Balotra
(b) Barmer
(c) Jaisalmer
(d) Bundi

Question 3.
The Ghagghar river becomes under¬ground in district:
(a) Bundi
(b) Sriganganagar
(c) Kota
(d) Ajmer

Answers:
1. (b)
2. (a)
3. (b)

RBSE Books Solutions Short Answer Type Questions

Question 1.
What are water resources?
Answer:
Those water resources which are useful for man or those have possibilities in future use sire called water resources.

Question 2.
What is drainage system?
Answer:
The special arrangement of water flow made by any main river and it’s tributaries is called drainage system.

Question 3.
What is called Triveni of Rajasthan?
Answer:
Confluence of Banas, Bedach and Menal located near Bigod (Bhilwara) is called Triveni of Rajasthan.

RBSE Solutions Pdf Download Long Answer Type Questions

Question 1.
Describe the historical water management system of Udaipur.
Answer:
Many types of water resources are found in every region of Rajasthan. In ancient time water was supplied to the people from these resources and well maintained. The then rulers did many efforts of water collection and conservation. Efforts were made by Ranas of Udaipur. Lake of Jaismand is a good example of it.

It was built by the Maharana of Mewar Jai Singh, from 1687-1691 A.D. on river Gomati. Which is considered as the world’s largest man-made lake freshwater. The examples of the oldest methods of the conservation of water by turning and joining rivers and lakes can be seen in Mewar Chickalwas canal. It was built by Maharana Fateh Singh by building a dam on river Ahad to supply excess water of rainy season in Fateh Sagar. It is 6 km away from Udaipur. In this way 118 years ago water of Ahad river was reached to Fateh Sagar.

The serialy built ponds in 470 km are spread in valley area and join rivers by the then rulers in people’s interest. It is an excellent and praiseworthy work in the field of water collection and conservation which is being continue smoothly even today.
The best example of water management resources in ancient times in the world can be seen in Udaipur Basin. To quote some of them as Govardhan Sagar, Dhood Talai, Pichhola lake, Amar Kund, Kumaria pond, Ranga Sagar Swaroop Sagar and Fateh Sagar. During the rainy seasons when all these water sources are filled to the brim, their water level gets merged.

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