10th Standard CBSE Syllabus & Materials

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CBSE 10th Social Science ECO - Globalisation and the Indian Economy - New Model Questions Papers Study Material - QB365 Set A

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10th Standard CBSE

CBSE 10th Social Science ECO - Money and Credit - New Model Questions Papers Study Material - QB365 Set A

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CBSE 10th Social Science ECO - Sectors of the Indian Economy - New Model Questions Papers Study Material - QB365 Set A

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CBSE 10th Social Science ECO - Development - New Model Questions Papers Study Material - QB365 Set A

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10th Standard CBSE

CBSE 10th Social Science PS - Outcomes of Democracy - New Model Questions Papers Study Material - QB365 Set A

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10th Standard CBSE

CBSE 10th Social Science PS - Gender, Religion and Caste - New Model Questions Papers Study Material - QB365 Set A

CBSE 10th Standard Science Subject Sustainable Management of Natural Resources Ncert Exemplar 2 Mark Questions 2021

Published on: 26/05/2021

QB365 Provides the updated NCERT Exemplar Questions for Class
10, and also provide the detail solution for each and every NCERT Exemplar questions. NCERT Exemplar questions are latest updated question pattern from NCERT, QB365 will helps to get more marks in Exams

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Std: 10th Standard CBSE - Science

chapter: - NCERT Exemplers

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Questions:

Generic 2

5 x 2 = 10

Suggest a few measures for controlling carbon dioxide levels in the atmosphere.

Although coal and petroleum are produced by degradation of bio-mass, yet we need to conserve them. Why?

What measures would you take to conserve electricity in your house?

List two advantages associated with water harvesting at the community level.

Prepare a list of five items you use daily in the school. Identify from the list such items that can be recycled.

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Answers Key:

Generic 2

5 x 2 = 10

(a) Reduce the consumption of petrol in the automobiles.
(b) Use of CNG or clean fuel
(c) Instead of burning litter prepare manure out of it.
(d) Treatment of smoke to remove harmful gases before discharging into atmospheric
(e) Plant more trees

Both the energy sources coal and petroleum take millions of years for their formation. As these resources are being utilised at a much faster rate than their formation, they will be exhausted in the near future, hence they need to be conserved.

(a) Put off the fans and lights when they are not required.
(b) Maximum use of solar radiation.
(c) Use of solar water heating system during winters.
(d) Use of fluorescent tubes or CFL

(a) The ground water level increases due to recharging of wells.
(b) Ground water keeps the layers of soil above it moist and prevents loss of water by evaporation.
(c) The water can be stored during rainy season and can be used when required.

Paper, rexin bag, blade, pen, plastic box, scale, eraser, compass and dividers (metallic), steel lunch box and steel spoon. Paper, blade, plastic box, eraser, compass, steel lunch box and steel spoon can be recycled.