1.The term used for the conservation of ecosystem and natural habitats and the maintenance and recovery of variable populations of species in their natural surrounding is-
A.Core conservation
B.In situ conservation
C.Ex situ conservation
D.Peripheral conservation
2.Which of the following leads to global warming?
A.Water pollution
B.Soil pollution
C.Air pollution
D.Noise pollution
3.Which of the following is an example of air pollution?
A.Smoke and fog
B.Exhaust gas from cars
C.Gases from burning wood or charcoal
D.All of these
4.The law to prevent pollution in India and many others countries prevent the use of –
A.Paper bags
B.Plastic bags
C.Nylon bags
D.Leather bags
5.Which of the following causes global warming?
A.Gases from cars
B.Gases from trees
C.Hot air from oven
D.Cooking gas
6.Trees reduce pollution because they absorb
A.Sulphur dioxide
B.Carbon dioxide
C.Carbon monoxide
D.Nitrogen
7.Rise in water level in ocean is due to-
A.Melting of ice in polar region
B.Excess rainfall
C.Acid rain
D.None of these
8.Which is the absolute temperature scale?
A.Celsius
B.Fahrenheit
C.kelvin
D.All of these
9.Noise or noise pollution is measured in-
A.Phon
B.Newton
C.Decibel
D.Decimal
10.The most harmful sulphur containing containing gas in the atmosphere is-
A.S
B.H2S
C.SF6
D.SO2
