RBSE Solutions Class 8 Social Science Chapter 3 Water Resources

Rajasthan Board Class 10 Science Textbook Questions Solved

Question 1. Choose The Correct Option-

Question 1. Banas and Bedach rivers are the tributaries of which river?
(a) Chambal
(b) Luni
(c) Banganga
(d) Mahi
Answer: (c) Banganga
In simple words: The Banas and Bedach rivers flow into the Banganga river. This forms part of the larger river network.

🎯 Exam Tip: Focus on major rivers and their tributaries in regional geography, as these relationships are often tested.

Question 2. Som Kamla Amba project is located in:
(a) Barmer
(b) Dungarpur
(c) Udaipur
(d) Kota
Answer: (b) Dungarpur
In simple words: The Som Kamla Amba project, an important water initiative, is located in the Dungarpur district. Such projects help manage water resources for local communities.

🎯 Exam Tip: Remember the locations of important water conservation projects and their significance for regional development.

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
In simple words: The Banganga river creates marshy areas in Bharatpur's bird sanctuary. The Indira Gandhi Canal is Asia's biggest canal system, sometimes called Maru Ganga, vital for desert areas.

🎯 Exam Tip: Fill-in-the-blanks test your factual knowledge; ensure you know key geographical features and projects.

Question 4. Name the main tributaries of the river Banas.
Answer: The main rivers that flow into the Banas river are Kothari, Gambhiri, Khari, and Morel. These smaller rivers help form the larger Banas river system by adding to its water volume. The Banas river is a significant water source in Rajasthan.
In simple words: Kothari, Gambhiri, Khari, and Morel are rivers that join the Banas river.

🎯 Exam Tip: When listing tributaries, ensure you mention all the significant ones to get full marks for a comprehensive answer.

Question 5. Name the main River Valley Projects of Rajasthan.
Answer: Rajasthan has several important river valley projects. These include the Chambal Project, the Mahi Bajaj Sagar Project, the Bisalpur Project, and the Sardar Sarovar Project. These projects are key for water management and development in the region, helping with irrigation and power generation.
In simple words: The main river projects in Rajasthan are Chambal, Mahi Bajaj Sagar, Bisalpur, and Sardar Sarovar.

🎯 Exam Tip: Listing key projects correctly is vital; ensure you remember their names accurately to score well.

Question 6. Write briefly about the Chambal Project.
Answer: The Chambal River Valley Project is a shared effort between Rajasthan and Madhya Pradesh. Four dams have been built for this project. One dam, the Gandhi Sagar Dam, is in Mandsaur, Madhya Pradesh. The other three—Rana Pratap Sagar, Jawahar Sagar, and Kota Barrage Dams—are located in Rajasthan, in the Chittorgarh and Kota districts. This project creates electricity and helps with watering farmlands in both states, playing a crucial role in regional agriculture.
In simple words: The Chambal Project is a joint effort by Rajasthan and Madhya Pradesh. It has four dams, providing electricity and irrigation for both states.

🎯 Exam Tip: When describing a project, include its purpose, key features (like dams), and the states or regions it benefits to show complete knowledge.

Question 7. What do you mean by water conservation? How can water be conserved?
Answer: Water conservation means protecting and carefully managing our water resources. It involves preventing wasteful use and ensuring water is available for the future. Conserving water is very important for all living things and the environment, as water is a finite resource. Ways to save water include:
(ii) Not bathing or washing clothes close to rivers and other water sources to prevent pollution.
(iii) Clearing unwanted plants from around water bodies to reduce water loss and improve flow.
(iv) Moving water from areas with heavy rain to dry areas using canals, which helps distribute resources better.
(v) Other methods include collecting rainwater, controlling population growth to reduce demand, using modern irrigation methods that save water, planting more trees to help groundwater recharge, reusing water, and using groundwater wisely.
In simple words: Water conservation is about protecting and managing water wisely to prevent waste and ensure enough for everyone. We can do this by avoiding pollution, cleaning water sources, moving water to dry areas, and using smart methods like rainwater harvesting and efficient irrigation.

🎯 Exam Tip: Define water conservation clearly and list multiple practical methods to show a comprehensive understanding of the topic.

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
Answer: (b) Chambal
In simple words: Kota city in Rajasthan is built along the Chambal River. This river is important for the region's industry and water supply.

🎯 Exam Tip: Knowing which cities are located on which rivers is a common general knowledge question; try to memorize major city-river pairings.

Question 2. The water of river Luni is usable up to district:
(a) Balotra
(b) Barmer
(c) Jaisalmer
(d) Bundi
Answer: (a) Balotra
In simple words: Luni river water can be used until Balotra district; after that, it becomes salty and less suitable for use. This unique feature is due to the river's path through mineral-rich soil.

🎯 Exam Tip: Understand the unique characteristics of rivers, such as where their water changes quality or becomes saline, as this affects their utility.

Question 3. The Ghagghar river becomes under-ground in district:
(a) Bundi
(b) Sriganganagar
(c) Kota
(d) Ajmer
Answer: (b) Sriganganagar
In simple words: The Ghagghar river, which is a seasonal river, disappears underground in the Sriganganagar district. This is a common occurrence in arid and semi-arid regions.

🎯 Exam Tip: Remember the course of seasonal rivers and where they typically dry up or go underground, especially in desert or semi-desert areas.

RBSE Books Solutions Short Answer Type Questions

Question 1. What are water resources?
Answer: Water resources are sources of water that are useful for people or could be useful in the future. These include natural sources like rivers, lakes, oceans, and groundwater. They are vital for human life, agriculture, and industry, and their careful management is essential.
In simple words: Water resources are any water sources that people use or might use later.

🎯 Exam Tip: Clearly define what constitutes a water resource, emphasizing its utility to humans and the environment.

Question 2. What is drainage system?
Answer: A drainage system describes how water flows through a main river and all the smaller rivers (tributaries) that feed into it. It maps the path water takes from higher ground to lower ground, carrying water and sediment. Understanding a drainage system is crucial for managing water flow and preventing floods.
In simple words: A drainage system is the path a main river and its smaller rivers take as water flows.

🎯 Exam Tip: When defining geographical terms, include both the main concept and related elements like tributaries and their combined function.

Question 3. What is called Triveni of Rajasthan?
Answer: The point where the Banas, Bedach, and Menal rivers meet near Bigod in the Bhilwara district is known as the Triveni of Rajasthan. "Triveni" means the meeting point of three rivers, which is considered a sacred confluence in many cultures.
In simple words: The place where Banas, Bedach, and Menal rivers meet near Bigod in Bhilwara is called Triveni of Rajasthan.

🎯 Exam Tip: Specific geographical terms like "Triveni" require precise location details and the names of all contributing elements (rivers).

RBSE Solutions Long Answer Type Questions

Question 1. Describe the historical water management system of Udaipur.
Answer: Rajasthan, especially Udaipur, has a rich history of water management. In the past, rulers worked hard to collect and save water for their people, recognizing its scarcity. A great example of this is Lake Jaisamand, built by Maharana Jai Singh of Mewar between 1687 and 1691 A.D. on the Gomati river. This lake is known as the world's largest man-made freshwater lake, showcasing advanced engineering for its time. Another old method of water saving can be seen in the Mewar Chickalwas canal. Maharana Fateh Singh built a dam on the Ahad river to send extra monsoon water to Fateh Sagar, which is 6 km from Udaipur. This shows how water from the Ahad river was connected to Fateh Sagar more than a century ago, demonstrating foresight in water distribution. Additionally, Ranga Sagar, Swaroop Sagar, and Fateh Sagar are other examples; during rainy seasons, their water levels merge when they are full.
In simple words: Udaipur has an old history of saving water. Rulers like Maharana Jai Singh built big lakes like Jaisamand on the Gomati river. Maharana Fateh Singh also made canals to bring river water to lakes, showing clever ways to manage water.

🎯 Exam Tip: When describing historical systems, include specific examples like names of rulers, structures (dams, lakes, canals), and their purpose to demonstrate detailed knowledge and understanding.