MCQs on Environmental Issues- 19

1. The term B10 implies


(A) Blending of 10 percent biodiesel with 90 percent conventional diesel.
(B) Blending of 90 percent biodiesel with 10 percent conventional diesel.
(C) Blending of 50 percent biodiesel with 50 percent conventional diesel.
(D) Blending of 1 percent biodiesel with 10 percent conventional diesel.



2. The Indian monsoon period is from

(A) October to November
(B) December to February
(C) June to September
(D) March to May



3. Which of the following is not a reactive oxygen species?

(A) Hydrogen peroxide
(B) Hydroxyl ion
(C) Singlet oxygen
(D) Superoxide anion


4. Azaridine, Ethylene dibromide, Bis(chloromethyl) ether are

(A) Alkylating agents
(B) Hydrocarbons
(C) Hydrazines
(D) Aromatic amines



5. Normality of 0.25 M phosphoric acid is

(A) 0.25
(B) 0.50
(C) 0.75
(D) 2.50



6. During the determination of COD, sulphanilic acid is added, because

(A) It maintains the acidic nature
(B) It precipitates the mercury ions
(C) It oxidises nitrites to nitrates
(D) It reacts with ferrous ammonium sulphate



7. An equatorial west to east remote sensing satellite orbiting the earth at an altitude of 36,000 km is called

(A) Sun-synchronous satellite
(B) Geostationary satellite
(C) Space shuttle
(D) Stereo imager



8. Which state of Cr (Chromium) is most toxic?
(A) Cr4+
(B) Cr3+
(C) Cr5+
(D) Cr6+



9. Which of the following pertains to “high-waste approach” in dealing with the solid and hazardous wastes?

(A) Burying and burning
(B) Recycling
(C) Composting
(D) Reusing



10. In accordance with the Indian EIA notification 2006, within how many days if Environmental Appraisal Committee does not specify the Terms of Reference, the proponent can go ahead with its own Terms of Reference.

(A) 15 days
(B) 45 days
(C) 60 days
(D) 90 days



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