Environmental Studies Questions and Answers - Set 9 | Environmental Science Quiz GkSeries

1 IAIA stands for

1 International Association of Impact Assessment

2 Indian Association of Impact Assessment

3 International Assembly of Impact Assessment

4 Indian Assembly of Impact Assessment

View Answer

Answer: International Association of Impact Assessment

2 Municipal Solid Wastes (MSWs) have the heating value typically in the range

1 9,300 to 12,800 kJ/kg

2 1000 to 2500 kJ/kg

3 1780 to 2830 kJ/kg

4 530 to 780 kJ/kg

View Answer

Answer: 9,300 to 12,800 kJ/kg

3 The Motor Vehicles Act 1938 was amended in which year ?

1 1972

2 1980

3 1988

4 1986

View Answer

Answer: 1988

4 The following statistical test is used to ascertain whether there is significant difference between the variances of two sets of observations :

1 t-test

2 F-test

3 Chi square test

4 Regression

View Answer

Answer: F-test

5 The geometric mean of the following data :4, 10, 25, 10 is

1 10

2 5

3 12.25

4 100/49

View Answer

Answer: 10

6 United Nations Conference on Environment, also termed as Earth Summit, was held in 1992 in which city ?

1 Rio de Janeiro

2 Kyoto

3 Stockholm

4 Copenhagen

View Answer

Answer: Rio de Janeiro

7 In which part of India, the tropical Western Ghats are situated ?

1 Punjab

2 Rajasthan

3 Gujarat

4 Kerala

View Answer

Answer: Kerala

8 Variety of different species, genetic variability among individuals within each species and variety of ecosystems constitute the so called

1 Species diversity

2 Genetic diversity

3 Biological diversity

4 Ecological diversity

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Answer: Biological diversity

9 Baba Amte was the leader of

1 Appiko Movement

2 Chipko Movement

3 Narmada Bachao Andolan

4 Tehri Dam Movement

View Answer

Answer: Narmada Bachao Andolan

10 In a multiple regression model, the f-ratio is used to test the

1 Variance of the data

2 Standard error of mean

3 R2 value

4 Overall goodness of fit of the model.

View Answer

Answer: Overall goodness of fit of the model

11 If the mean of a sample is 20, the standard error of mean is 1 and the t-statistic for 95% level of confidence is 2.5, the population mean will be in the range

1 17.5 to 22.5

2 15 to 25

3 20 to 25

4 15 to 20

View Answer

Answer: 17.5 to 22.5

12 The third moment about the mean of a distribution of a set of observations is a measure of

1 Mode

2 Skewness

3 Kurtosis

4 Variance

View Answer

Answer: Skewness

13 Consider an air shed over a city in the form of a rectangular box. The wind velocity is 5 m/sec normal to left face of the box. The length of the box along the direction of wind is 10 km and mixing height is 1 km. Assuming rapid mixing of the pollutants which are conservative in nature, the concentration of the pollutants in the city would reach 63% of its final value in

1 2,000 sec

2 5,000 sec

3 10,000 sec

4 1,000 sec

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