Gujarat Board Class 10 Solution Social Science Chapter 11 India : Water Resources Exercise Solution here in this Post.
Board |
GSEB Gujarat State |
Textbook |
10 Class |
Medium |
English |
Subject |
Social Science |
Chapter |
11 |
Chapter Name |
India : Water Resources |
Gujarat Board Class 10 Social Science Chapter 11 India : Water Resources Solution:
(1) Answer the following questions in details.
(i) State the remedies to conserve the water.
Ans: (a) Used water for gardens and vehicle, toilet and wash basins.
(b) Public awareness should be create.
(c) Participation in water conservation and its skill management should be increased.
(d) Increase the use of all units of water harvesting structures like wells, tube wells, khet talowade.
(e) Prevent the deterioration of water storage units and repair the damaged pipe lines.
(f) Various methods are being implemented for water conservation.
(g) We have conserve every drop of water.
(h) Water is very necessary and water is the life.
(ii) Describe the circumstances creating water crisis in India.
Ans: (a) Water is a natural gift water shortage is increasing demand for grains by increasing population to grow cash crops, increasing urbanization and changing life styles of people.
(b) The position of water supply and the inequality in the local distribution are challenges to human interests and economical development.
(c) The water crisis is in very alarming stage in arid regions of western Rajasthan and the interior area of southern peninsular plateau.
(d) Many water borne diseases spread due to this.
(e) Available of pure potable water is the basic need of life.
(f) There is a large difference between the demand of water and its supply.
(g) There is a server shortage of drinking water in about 8% town in India.
(h) There has been a large increase in the irrigation facilities in India. 2/3 of Agricultural region still depends on rain water.
(i) Agriculture water use in industry, main sources of water pollution are polluted water of domestic uses and industries.
(iii) Give information about rain water harvesting.
Ans: Water harvesting is method of collect the rainwater and conserve it. Wells, small dams, khet talavadi. This method raises the ground water level. This may fulfill the requirements of domestic and Agriculture.
To increase the capacity of conserve the ground water and increase the underground water. Reduce the water pollution improve the surface run off of water. Fulfill requirement of domestic water requirements during summer. Fulfill the increasing demand of water that is a benefits of rain water harvesting.
(2) Write to the point answers of the following questions.
(i) State the importance of multi-purpose projects.
Ans: (a) Many large and small rivers flow in India.
(b) Multi-purpose projects are plan on many river.
(c) A-multi-purpose projects means to solve various problems river valleys.
(d) It includes flood control, prevention of soil erosion, water for drinking and irrigation, industries, water provided to settlements, generation of electricity, internal water transportation, entertainment and wild life protection.
(ii) Write about the distribution of irrigation.
Ans: (a) There is difference regarding the area under irrigation in every state.
(b) Andhra Pradesh, Godavari and Krishna rivers, Mohanadi delta in Odisha, Kaviri delta in Tamil Nadu, Punjab, Haryana and western Uttar Pradesh are regions of intensive irrigation of the country.
(c) After independence, the irrigated area in India has increased for times.
(d) Irrigation practice 38% of net sown area.
(e) There is difference in the irrigated areas of different states.
(f) 90.8% irrigation Punjab, more than 40%. Area of total area sown under irrigation in Punjab, Haryana, Uttar Pradesh, Bihar, Jammu-Kashmir, Tamil Nadu and Manipur.
(3) Write answers for the following questions in brief.
(i) State the uses of ground water.
Ans: (a) Ground water uses for maximum utilized for irrigation.
(b) Ground water uses for industry.
(ii) Which factors should be considered for water management?
Ans: (a) Use water for gardens, vehicle, in toilet and wash basins.
(b) If possible recycle the used water.
(c) Repair the damaged pipe line.
(d) Stop water pollution.
(4) Select the correct option from the options given for the following questions and write answer.
(i) Which is the main source of surface water?
Ans: Rainfall
(ii) Connect the following multi-purpose projects with the beneficiary state and select the correct order.
(1) Bhakhara-nangal | (a) Bihar |
(2) Kosi | (b) Punjab |
(3) Nagarjunsagar | (c) Gujarat |
(4) Narmada | (d) Andhra Pradesh |
Ans: (1-b), (2-a), (3-d), (4-c)
(iii) Which of the following statements is not true
(A) Compared to canals, the irrigation through wells and tube wells is more prevalent in India.
(B) Himalayan rivers are called seasonal rivers.
(C) Water which is percolated from the surface within the ground is called ground water.
(D) Punjab and Haryana are leading state in irrigation.
Ans: (B) Himalayan rivers are called seasonal rivers.
(iv) After arranging the following multi-purpose from north to south, which option seems to be correct?
(A) Chambal valley, Bhakhara-Nangal, Narmada valley, Nagarjunsagar.
(B) Bhakhra-Nangal, Nagarhunsagar, Narmada valley, Chambal valley.
(C) Nagarjunsagar, Chambal valley, Narmada valley, Nagarjunsagar.
(D) Bhakhra-Nangal, Chambal valley, Narmada valley, Nagarjunsagar.
Ans: (D) Bhakhra-Nangal, Chambal valley, Narmada valley, Nagarjunsagar.