Man And His Environment Set 3

Results

#1. Stone cancer is caused by:

Bacteria

Virus

Acid Rain

Grazing

#2. Repeated crop production result in:

Increase in soil fertility

Decrease in soil fertility

Accumulation of more organic matter

Increase in soil nutrients

#3. Which of the following groups of crops grown continuously is not suitable?

#4. The removal of surface soil by the action of water or wind is called:

Soil depletion

Sod Bound

Pollution

Soil erosion

#5. Man cut down forests and has:

Disturbed native plants and native animals

Contributed to the cleanliness of air

Produced good effects on natural environment

Encouraged native plants and animals

#6. Fossil fuels are:

Geothermal, Biomass and natural gas

Ocean-thermal gradient, waves, oil and tides

Coal, oil and natural gas

Coal, geothermal and oil

#7. Splitting of the nucleus of radioactive atom releases:

#8. The real problem and difficulties of depending upon nuclear energy is that:

it is extremely expensive

it is exhaustible

it has environmental hazards

None of these

#9. An accident in a nuclear reactor at Chernoble Nuclear Power Plant occurred during 1986 in:

USA

USSR

China

Korea

#10. The average flow of solar energy per square kilometer on earth’s surface is:

80,000 Kilowatts

180,000 kilowatts

200,000 kilowatts

280,000 kilowatts

Finish