Class –X (Worksheet)
Geography Ch- 3 Water Resource
Answer the following Questions:-
Q1. Which are the sources of fresh water in India ?
Q2. What is water scarcity ? Q3. Define the term ‘ dam’.
Q4. Which is the first multi purpose project of India ?
Q5.Mention the two movements that were the result of large dams.
Q6. Name some states of India in which roof top rainwater harvesting is common .
Q7.Which state of India has made rooftop rainwater harvesting compulsory to all household ?
`Q8. Explain how the following quantitative factors are responsible for scarcity of water –
Alarming growth of population
Intensive industrialisation and urbanisation
Q9. Mention some of the objections to the multi purpose projects ?
Q10. How is rain water harvesting system a viable alternative against the multi purpose projects ?
On the political map of India locate the following dams:-
Tehri
Bhakra Nangal Sardar sarovar Nagarjuna sagar Hirakud
Answers
Answer:
Explanation:
1.Ground water and surface waters are the major sources of Fresh water in India. Ground water is the water present beneath the earth's surface which can be extracted through various ways.
2.Water scarcity is the lack of fresh water resources to meet water demand. It affects every continent and was listed in 2019 by the World Economic Forum as one of the largest global risks in terms of potential impact over the next decade. ... mega-projects like dams, canals, aqueducts, pipelines and water reservoirs,
3.a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.
4.Damodar Valley Corporation
Damodar Valley Corporation, popularly known as DVC, came into being on July 7, 1948, by an Act of the Constituent Assembly of India (Act No. XIV of 1948) as the first multipurpose river valley project of independent India.
5.not done
6.Tamil Nadu is the first state in India which has made rooftop rainwater harvesting structure compulsory to all the houses across the state.
7.Tamil Nadu is the first and only state in India to make roof top rainwater harvesting structure compulsory to all houses across the state.
8. Residents protesting over water scarcity in the northern Indian city of Chandigarh. ... a serious threat to the world's population, even before we even factor in ... The global water consumption rate is double the rate of population increase. ... Meanwhile, more intense rain events associated with climate change ...
9.1 Answer
In recent years, multipurpose projects and large dams have come under great scrutiny and opposition for a variety of reasons.
(i) Regulating and damming of rivers affect their natural flow.
(ii) River's diversion and barricading due to building of dams affect migration and spawning of aquatic life.
10.not done