What are the steps will you adopt for better waste management?

(a)

reduce the amount of waste formed

(b)

reuse the waste

(c)

recycle the waste

(d)

all of the above

Soil erosion can be prevented by

(a)

deforestation

(b)

afforestation

(c)

over growing

(d)

removal of vegetation

A renewable source of energy is

(a)

petroleum

(b)

coal

(c)

nuclear fuel

(d)

trees

An inexhaustible resources is

(a)

wind power

(b)

soil fertility

(c)

wild life

(d)

all of the above

A cheap, conventional, commercial and inexhaustible source of energy is

(a)

hydropower

(b)

solar energy

(c)

wind energy

(d)

thermal energy

Deforestation leads to ______________ in rainfall.

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decrease

Removal of soil particles from the land is called ______________.

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soil erosion

Chipko movement is initiated against ______________ .  

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deforestation

Tidal energy is ___________ type of energy.

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Electrical

______________ is the most commonly used fuel for the production of electricity.

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Coal

Soil erosion

(1)

non - renewable energy

Natural gas

(2)

Renewable energy

Green house gas

(3)

acid rain

CFL bulbs

(4)

energy saving

Wind

(5)

removal of vegetation

What are the agents of soil erosion?

Why fossil fuels are to be conserved?

Solar energy is a renewable energy. How?

How are e-wastes generated?

Define wild life.

Differentiate a National park and Sanctuary.

What is the importance of rainwater harvesting?

What are the advantages of using biogas?

List any three activities based on 4R approach to conserve natural resources.

Write a note an solar cells.

Enumerate the importance of forest.