10th Class Important Questions

Question: Read the para given below and answer the following question.
(Read the para (given), Understanding and Interpretation)
Answer: Water is a common source to all. Rivers are one of the water resources. Rivers are one of the main economic contributor to the GDP in India. The rivers are useful many ways to the mankind. These are used for agricultural purpose,
domestic purpose, for industrial usage and for fishing etc.

Question: What role do the rivers play in our economy?

Answer: Rivers are important for the country’s economy, because of the following reasons. Agriculture is the main occupation to the Indians. The rivers are one of the water sources to agriculture.
1) For domestic usage, rivers are useful well.
2) Rivers carry the silt and sediment which make the floods. Plains, fertile and provide the most productive agriculture lands in the country.
3) Most of the industries are depend on rivers. Because rivers are generating power and as means of transport.
4) Recreation, tourist promotion and fishing are also being developed along the water flows.

Question: What are the four bandis of Hiware Bazar?
Answers: The four bandis were made famous by the Ralegan Siddhi experience. The bandis are
1) Kurhad bandi (means ban on falling trees)
2) Charai bandi (ban of tree grazing)
3) Nas bandi (family planning)
4) Nasha bandi (ban on liquor)

Question: How the dairy industry developed in Hiware Bazar?
Answer: In Hiware bazar dairy was developed
1) Loans have been given to small farmers.
2) As a result, the number of milk animals in the village has increased.
3) Fodder availability has been increased due to better productivity.
4) Hence the milk production has witnessed a more than 20 fold increase from 140 to 3000 litres per day.

Question: What are the water sources of your village/ town?
Answer: The main water sources of my village/ town are
1) Borewells
2) Public taps (purified water through pipelines) through Panchayat or Municipality.
3) Water tanks (mostly in rainy season) for agriculture purpose and animal usage.
4) Through under the government schemes 20 litres per Rs.2 only.

Question: What are the Himalayan rivers?
Answer: The three major river system arise from the Himalays. They are 1) The Ganga river system
2) The Brahmaputra river system and The Indus river system

Question: What are the features of perennial rivers?
Answer:
1) These are seasonal.
2) They flow through the shallow valleys.
3) They always flow straight and linear courses.

Question: 70% of our surface water resources are polluted. Why?
(Reflection on Contemporary Issues and Questions)

Answers: Surface of water pollution occurs due to discharge of pollutants in the water bodies without any treatment to remove harmful compounds. Water pollution adversely affects not only aquatic plants and animals, but it also affects human beings and ecosystems.

1) Urban source contributes water pollutants such as sewage and garbage.
2) Industrial effluents from the industries.
3) Various types of chemicals used in the chemical fertilizers, pesticides, and herbicides.
4) Washing of animals, clothes etc.
5) Dumping solid wastes and littering by humans, in rivers, lakes and oceans.
6) Oil pollution caused by oil spills from tankers, oil does not dissolve in water and forms a thick sludge.
7) Acid rains also pollute the surface of water.
8) Fallout of radioactive substances is a very dangerous source of water pollution.

Question:

How would it help if there was a government river basin authority for over all planning of water use? (Appreciations and Sensitivity)

Answer: There are so many conflicts regarding the use of water in between the states, regions for different uses.
1) The river basin authority measuring the quantum of water.
2) Explain the importance of water usage.
3) Allocation of water, among the states based on the rules and regulations.
4) Board can control the waste of water.
5) Distributing water for drinking and domestic purpose.
6) The board can estimate the annual rainfall, storage, and annual flow.
7) Water conservation activities are encouraged.
8) Based on the quantum of water, the board can suggest the kinds of crops cultivation.
9) Encroachment of public lands for cultivation can be controlled.

Question:

What are the different conflicts in the use of water for Tungabhadra river basin? (Reflection on Contemporary Issues and Questions)

Answer: There are various conflicts in the use of water in Tungabhadra river basin are:
1) Tungabhadra is the major tributary of the Krishna river.
2) It was constructed and it was the joint venture of Karnataka and Andhra Pradesh.
3) The height and the water storage capacity of the river is the apple of discard between Karnataka and Andhra Pradesh.
4) Tribunals have given judgements on the water sharing proportions between Andhra Pradesh and Karnataka.
5) But it is still a burning water dispute between the states.