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1. The Stockholm Convention is a global treaty to protect humans from

(A) Toxic gases
(B) Hospital acquired infections
(C) Persistent organic pollutants
(D) Carbon monoxide


2. Which of the following is not a Millennium Development Goal?

(A) Ensuring environmental sustainability
(B) Eradicating extreme poverty and hunger
(C) Developing global partnership for development
(D) Achieving universal energy security



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

(A) Zn – Brain tissue damage
(B) Ni – Keratosis
(C) Ar – Renal poisoning
(D) Hg – Pulmonary disease



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

(A) Virtual temperature
(B) Potential temperature
(C) Wet bulb temperature
(D) Dew point


5. Radioactive waste management in our country is governed under:

(A) Hazardous Waste (Management, Handling and Trans-boundary Movement)
(B) Atomic Energy Act, 1962
(C) Environment (Protection) Act, 1986
(D) Biomedical Waste (Management & Handling) Rules 1998


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

(A) L10
(B) L50
(C) L90
(D) TNI


7. The chemical formula for CFC-11 is

(A) CF2Cl2
(B) CFCl3
(C) CHFCl2
(D) CHCl3



8. Compared to CO2, methane has global warming potential of

(A) 5 – 10 times more
(B) 20 – 25 times more
(C) 40 – 45 times more
(D) 60 – 65 times more


9. Biogas produced by anaerobic bacterial activity is a mixture of

(A) CH3OH, CO2, NH3 and H2O
(B) CH4, CO2, NH3, H2S and H2O
(C) H2S, CO2, CO, CH4 and LPG
(D) CO2, SO2, NO2, CH4 and H2O


10. At present, what is the share of renewable energy in the total energy production of India?

(A) ~ 11 – 12%
(B) ~ 2 – 3%
(C) ~ 20%
(D) ~ 25 – 30%

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