Environmental Studies Questions and Answers - Set 6 | Environmental Science Quiz GkSeries

1 Bio-oil can be obtained from lignocellulose by

1 Combustion

2 Fast pyrolysis

3 Gasification

4 Transesterification

View Answer

Answer: Fast pyrolysis

2 The energy released during combustion of methane is ~ 900 kJ/mol. The carbon intensity of methane is

1 ~ 0.05 gram C/kJ

2 ~ 0.013 gram C/kJ

3 ~ 0.018 gram C/kJ

4 ~ 1.08 gram C/kJ

View Answer

Answer: ~ 0.013 gram C/kJ

3 The term B10 implies

1 Blending of 10 percent biodiesel with 90 percent conventional diesel.

2 Blending of 90 percent biodiesel with 10 percent conventional diesel.

3 Blending of 50 percent biodiesel with 50 percent conventional diesel.

4 Blending of 1 percent biodiesel with 10 percent conventional diesel.

View Answer

Answer: Blending of 10 percent biodiesel with 90 percent conventional diesel.

4 The validity period of Environmental Clerance after Environmental Impact Assessment is least for

1 Mining projects

2 River valley projects

3 Harbour projects

4 Area development projects

View Answer

Answer: Area development projects

5 In Environmental assessment study, interpretation and evaluation should consider

1 Uncertainty of possible impacts

2 Significance of measured impacts

3 Comparison of alternatives

4 All of the above

View Answer

Answer: All of the above

6 Who are responsible for the public consultation process of EIA ?

1 State Pollution Control Board

2 State Pollution Control Board and District Collector

3 State Pollution Control Board and CPCB Chairman

4 State Pollution Control Board and Civil Society

View Answer

Answer: State Pollution Control Board and District Collector

7 Which statement is not correct for hazardous wastes ?

1 They contain one or more of 39 toxic compounds

2 They catch fire easily

3 They are nonreactive and stable

4 They are capable of corroding metal containers

View Answer

Answer: They are nonreactive and stable

8 Right to clean environment is guaranteed in Indian Constitution by

1 Article 14

2 Article 19

3 Article 21

4 Article 25

View Answer

Answer: Article 21

9 National Ambient Air Quality Standards for major pollutants were notified by CPCB in

1 1994

2 1984

3 2004

4 1974

View Answer

Answer: 1994

10 Public Liability Insurance Act came into existence in the year

1 1986

2 1989

3 1991

4 1995

View Answer

Answer: 1991

11 The population of an urban area increased from 5 million to 15 million over a period of 50 years. If the growth of population has been exponential at a constant rate over this period, the growth rate is

1 ~ 0.693 %

2 ~ 1.2 %

3 ~ 1.38 %

4 ~ 2.2 %

View Answer

Answer: ~ 2.2 %

12 A random sample of size 26 has a mean of 20. The sum of squares of the deviations taken from the mean is 200. If the population mean is 18, what is the value of t-statistic ?

1 ~ 0.9

2 ~ 2.1

3 ~ 3.6

4 ~ 5.2

View Answer