Environmental Studies Questions and Answers - Set 30 | Environmental Studies Quiz GkSeries

1 The forest in oxisol is

1 Tropical rainforest with wet and hot climates.

2 Temperate grassland with hot summer and cold winter

3 Evergreen forest with cold climate

4 Temperate deciduous forest with hot summer and cold winter.

View Answer

Answer: Tropical rainforest with wet and hot climates

2 In profundal zone, P and R ratio,P/R is

1 > 1

2 < 1

3 = 1

4 > 0.1

View Answer

Answer: < 1

3 Among the following taxonomic groups which one has the least number of known species ?

1 Nematodes

2 Fungi

3 Porifera

4 Insecta

View Answer

Answer: Porifera

4 At the average surface temperature of the earth, what is the wavelength at which maximum terrestrial radiation are emitted ?

1 ~ 8.08 m

2 ~ 11.52 m

3 ~ 10.06 m

4 ~ 3.48 m

View Answer

Answer: ~ 10.06 m

5 About ~ 97% of all atmospheric mass in the atmosphere lies upto an approximate height of

1 ~ 10 km

2 ~ 15 km

3 ~ 20 km

4 ~ 30 km

View Answer

Answer: ~ 30 km

6 Which of the following materials is the most efficient absorber of terrestrial and solar radiation ?

1 Suspended dust particles

2 Ice particles

3 Fly ash particles

4 Black carbon particles

View Answer

Answer: Black carbon particles

7 An infinitesimal air parcel rises slowly upwards in the atmosphere. In this context, which of the following statements is not correct ?

1 Heat change, dq is zero.

2 Internal energy decreases.

3 Temperature during ascent decreases

4 Lapse rate has a negative numerical value.

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Answer: Lapse rate has a negative numerical value.

8 Ecosphere comprises of the following :

1 Biosphere and Troposphere.

2 Biosphere, Troposphere and Hydrosphere.

3 Biosphere, Troposphere and Hydrosphere.

4 Biosphere, Atmosphere, Hydrosphere and Lithosphere.

View Answer

Answer: Biosphere, Atmosphere, Hydrosphere and Lithosphere.

9 An anemometer at a height of 10 m above the ground measures a wind speed of 0.5 m/s. For a neutral atmosphere with wind profile exponent p = 0.25, the wind speed at an elevation of 160 m will be

1 1 m/s

2 ~ 1.8 m/s

3 0.5 m/s

4 2.5 m/s

View Answer

Answer: 1 m/s

10 In the initial stages of landfill, which of the following gas is predominantly released ?

1 Carbon dioxide

2 Methane and Ammonia

3 Methane

4 Hydrogen Sulphide

View Answer

Answer: Carbon dioxide

11 A sampling error of 2.5758 σ; where σ is the standard deviation along with critical value of 2.5758 represents the significance level of

1 5.0%

2 1.0%

3 2.7%

4 4.55%

View Answer

Answer: 1.0%

12 In random samples of 64 boats out of a total 2400 boats, the mean number of defective boats is 3.2 with a sample standard deviation 0.8. The standard error of the mean is

1 ~ 0.107

2 ~ 0.40

3 ~ 0.97

4 ~ 0.097

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