Social Science_Board Paper_Class 10_All India_Set-2_2004

Rainwater harvesting is a techniques of increasing the recharge of ground water by capturing and storing rain water by constructing structures, such as dugwells, percolation pits and check dams.

The following two points should be kept in mind for efficient management of water:
(i) Stop the use of treated water for gardening and toilets.
(ii) Create awareness by involving the people.

 Out of syllabus

 Out of syllabus

Two causes of price rise are as given below:
(i) More income and less supply – When people earn more income the demand for goods and services also increases. If this increase is not met by increase in supply of goods and services, there is shortage. This increases the price of goods and services.
(ii) Increase in the cost of production – When the cost of production increases due to the increase in the prices of raw materials, the increased cost is added to the existing price levels.

 Out of Syllabus

Two steps taken to remove social inequalities among the citizens belonging to weaker sections are:

(i) Enactment of special laws such as Protection of Civil Rights Act, 1955, SC/ST (Prevention of Atrocities) Act, 1989.
(ii) Reservations in many fields like politics, jobs and educational institutions.

 Out of syllabus

 Out of syllabus

It is defined as the management of the resources by humans who aim at satisfying the needs of the present generations as well as the aspirations of the future generations.
The two aims of conservation of resources are:
(i) To protect the natural resources.
(ii) To make the sustainable use of the natural resources for the future generation.

The four varieties of iron ore are:
(i) Magnetite
(ii) Hematite
(iii) Goethite and
(iv) Limonite