RBSE Solutions For Class 10 Social Science Chapter 8: Water Resources | Textbook Important Questions & Answers

Water is an incomparable gift of nature, which provides the base to all the activities on the earth. Water resources are a primary necessity for the socio-economic development of any country. In ancient times, river values remain the places of development of human civilization. In the RBSE Class 10 solutions of Social Science Chapter 8, students will get solutions to all textbook questions. The solutions explain each concept in a simple and easy to understand manner, supporting the students to grasp the essence of different concepts with ease.

RBSE Class 10 Social Science Chapter 8 Very Short Answer Type Questions

Q1. What is meant by Water Management?

Answer: The activity of movement and control of water resources to minimize the damage to property and life and also to maximize the efficient beneficial use is known as water management.

Q2. Which is the longest man made canal of India?

Answer: The longest man made canal of India is Indira Gandhi Canal.

Q3. Which is the longest dam of India?

Answer: Hirakud Dam, which is the longest dam in the world with a length of 4801 meters, stores 810 crore cubic meters of water.

Q4. What is meant by “Barrage”?

Answer: Barrage refers to the place where the canals are taken out for irrigation, like Harike Barrage and Kota Barrage.

Q5. Which dam is built of clay?

Answer: Panchna Dam is built of clay.

RBSE Class 10 Social Science Chapter 8 Short Answer Type Questions: Textbook Important Questions and Solutions

Q6. Which projects in India are operated through state and Central Governments?

Answer: The execution of important projects such as Bhakra-Nangal, Rihand, Damodar Heerakund, Kosi, Tehri is being done by the Central Government.

The Chambal project in Rajasthan, Nagarjuna Sagar project( Andhra Pradesh), Tungabhadra project (Andhra Pradesh and Karnataka ) Sardar Sarovar project (Gujarat, MP and Rajasthan) Mayoorakshi and Farakka project (West Bengal,) Mahi project (Gujarat and Rajasthan) Gandak project (Bihar and UP), Machhkunda Project ( Andhra Pradesh, Orissa) etc. are being done by the state governments.

Q7. What is Bawri? Explain

Answer: Bawri is a source of water built in quadrilateral, round or circular shape where bricks and artistic stones are used from the entrance to the midpoint. Bricks and quadrangle shaped parts are adjacent to it and there are stairs to reach these parts. The stairs are studded with designer Mehraabs consisting of towers and skylights. There are idols of regional deities on the skylights. In Rajasthan the construction of Bawris was done for individual and social use. Bawri are found in all districts of the state. The city of Bundi is known as the city of stepwells due to the prominence of Bawris there. Besides this the Tapi Bawri of Jodhpur, Bhandarej Bawri of Dousa, Binota Bawri of Chittor and Chand Bawri of Abhaneri are the famous ones.

Q8. What is Khadin? Explain

Answer: Khadin refers to a technique of conservation and management of water also considered as the most appropriate technique for agriculture and drinking water purpose. Under this the flowing water in the rainy season is stopped on slopes in mountainous areas by making walls and boundaries. Then the surplus water is discarded from a part of this boundary wall to provide water to another adjoining khadin land. In the khadin land the level of ground water rises due to rains, and in this soil conservation technique moisture of soil is also retained. The khadin land facilitates both Rabi and Kharif crops and makes drinking water available during summers by the beris built on corners.

Q9. Why is there a need for water self reliance?

Answer: There is a need for water self reliance. It is required because at present due to decreasing groundwater and worst conditions of the traditional sources of water at local level with increasing level of silt in dams and also due to the scarcity of rainfall, adverse conditions of water crisis are cropping up. The problem is getting more serious owing to the increased demand of water by the ever increasing population. For this reason Jal Kranti Abhiyan (water Revolution mission) and Mukhyamantri Jal Swavalamban (Chief Minister’s water self-reliance program) have been started by the government of India and the government of Raj respectively. The proper management of water at the local level is the main aim behind the initiation of these programs.

Q10. Describe Bhakhra Nangal Project.

Answer: Bhakhra Nangal Project is the biggest and the most important multipurpose project of the country, which had started in 1948 and completed in 1963 and is established near Bilaspur on the river Satluj in Himachal Pradesh.

It is a joint venture of Punjab Haryana and Rajasthan. Its objective is to get the mid parts of satluj and Yamuna developed economically through hydro-electricity, irrigation and drinking water supply. Under this project, two dams have been built in Ambala district of Punjab. The first dam is Bhakra dam which is 518.16 meter long and of 226 meter height. This is the highest gravity dam in the world made up of cement and concrete. The second dam has been built 13 km downwards from the Bhakra dam and its purpose is to store the surplus water of the Bhakra Dam. Bhakra, Surhind, Nangal, Bist Doab and Narvana canals have been derived from these dams and power houses have been built at Kotla, Roopnagar and Gangwal.

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