Environmental Studies Questions and Answers - Set 1 | Environmental Science Quiz GkSeries

Questions

1 National Land Reform Policy stresses on

1 Restoration of ecological balance

2 Natural regeneration

3 Tenancy reforms

4 Watershed approach

View Answer

Answer: Tenancy reforms

2 Nalgonda technique of fluoride removal involves the use of

1 Aluminium salts

2 Sodium salts

3 Potassium salts

4 Magnesium salts

View Answer

Answer:Aluminium salts

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3 The Stockholm Convention is a global treaty to protect humans from

1 toxic gases

2 hospital acquired infections

3 persistent organic pollutants

4 carbon monoxide

View Answer

Answer: persistent organic pollutants

4 Which of the following is not a Millennium Development Goal ?

1 Ensuring environmental sustainability

2 Eradicating extreme poverty and hunger

3 Developing global partnership for development

4 Achieving universal energy security

View Answer

Answer: Achieving universal energy security

5 In turbidity analysis, formazin is used

1 to stabilize the samples

2 to preserve the samples

3 to make turbidity standards

4 to remove colour interferences

View Answer

Answer: to make turbidity standards

6 pE values in water range from approximately

1 – 1 to 14

2 1 to 12

3 0 to 14

4 – 12 to 25

View Answer

Answer: – 12 to 25

7 Point out the right match concerning the toxic metal and associated adverse impact.

1 Zn – Brain tissue damage

2 Ni – Keratosis

3 Ar – Renal poisoning

4 Hg – Pulmonary disease

View Answer

Answer: Zn – Brain tissue damage]

8 Amount of 8-hydroxyquinoline (M.W. 145.16) required for preparing 1000 ml of 5 ppm solution is

1 1.45 mg

2 5 mg

3 7.25 mg

4 14.5 mg

View Answer

Answer: 5 mg

9 Radioactive waste management in our country is governed under :

1 HazardousWaste (Management, Handling and Transboundary Movement

2 Atomic Energy Act, 1962

3 Environment (Protection) Act, 1986

4 BiomedicalWaste (Management & Handling) Rules 1998

View Answer

Answer: Environment (Protection) Act, 1986

10 Which of the following parameters is not an indicator of water vapour present in a certain quantity of air ?

1 Virtual temperature

2 Potential temperature

3 Wet bulb temperature

4 Dew point

View Answer

Answer:Potential temperature

11 The background noise level in an area is represented by which of the following noise indices ?

1 L10

2 L50

3 L90

4 TNI

View Answer

Answer: L90

12 Particles which have maximum ability to attract and hold K+, Ca++ and NH4+ ions on their surface are

1 Clay

2 Sand

3 Loam

4 Loamy sand

View Answer

Answer: Clay

13 Compared to CO2, methane has global warming potential of

1 5 – 10 times more

2 20 – 25 times more

3 40 – 45 times more

4 60 – 65 times more

View Answer

Answer: 20 – 25 times more

14 Laterite soil contains more of

1 Iron and Aluminium

2 Magnesium and Boron

3 Manganese and Silicate

4 Potassium and Lead

View Answer

Answer: Iron and Aluminium

15 Universally accepted method for isolating semivolatile organic compounds from their matrices is

1 Double infiltration

2 Solvent extraction

3 Sedimentation technique

4 Permeation

View Answer

Answer: Solvent extraction

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