1.  Blue baby syndrome is caused by

a

  Carbon monoxide

b

 Nitrate

c

 Fluoride

d

 Mercury

Answer & Explanation
Answer : Option B

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

a

  Kyoto

b

 Copenhagen

c

 Stockholm

d

 Rio de Janeiro

Answer & Explanation
Answer : Option D

3.  Which one of the following is an Exsitu method of biodiversity conservation?

a

  Seed storage

b

 DNA Bank

c

 Tissue culture

d

 All the above

Answer & Explanation
Answer : Option D

4.  Freshwater ecosystems are nutritionally limited by

a

  Iron and Nitrogen

b

 Phosphorous and Carbon

c

 Nitrogen and Calcium

d

 Phosphorous and Iron

Answer & Explanation
Answer : Option D

5.  'Double digging' is a method of

a

  Bio-intensive agriculture

b

 Aforestation

c

 Deforestation

d

 Water conservation

Answer & Explanation
Answer : Option A

6.  As per Indian Standards (BIS) for drinking water desirable limit for total hardness as CaCO3 is

a

  100 mg

b

 200 mg

c

 300 mg

d

 400 mg

Answer & Explanation
Answer : Option C

7.  Mycorrhizae can be used as bio fertilizers because they

a

  Fix CO2

b

 Fix nitrogen

c

 Solubilise phosphate

d

 Kill pathogens

Answer & Explanation
Answer : Option C

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

a

  Toxic gases

b

 Carbon monoxide

c

 Persistent organic pollutants

d

 Hospital acquired infections

Answer & Explanation
Answer : Option C

9.  GLOBE stands for

a

  Global Leaders and their Observations to Benefit the Environment

b

 General Learning and Observations to Benefit the Environment

c

 Global Learning and Observations to Benefit the Environment

d

 Global Leading Occupations to Benefit the Environment

Answer & Explanation
Answer : Option C

10.  Quantifying the energy and raw material requirement as a part of life cycle assessment, is termed as

a

  Life Cycle improvement analysis.

b

 Life Cycle impact analysis.

c

 Life Cycle inventory.

d

 Life Cycle pre-requisites.

Answer & Explanation
Answer : Option C

11.  Ultrafiltration can remove

a

  Suspended solids

b

 Protozoa

c

 Bacteria

d

 All the above

Answer & Explanation
Answer : Option D

12.  Progressive increase in concentration of a xenobiotic compound when it passes through the food chain is called

a

  Biomagnification

b

 Bioaccumulation

c

 Hyper accumulation

d

 None of the above

Answer & Explanation
Answer : Option A

13.  Which of the following is used as plant indicator for detection of presence of SO2 and HF in air?

a

  Lichen

b

 Orchid

c

 Apricot

d

 Tobacco

Answer & Explanation
Answer : Option A

14.  Average composition of biodegradable waste in Municipal Solid Waste (MSW) of India is

a

  55 - 65 %

b

 40 - 45 %

c

 30 - 35 %

d

 60 - 70 %

Answer & Explanation
Answer : Option B

15.  Which one of the following is a complex in organic fertilizer?

a

  Urea

b

 Super phosphate

c

 Potash

d

 NPK

Answer & Explanation
Answer : Option D
500
Write your Comment or Discuss..
    Log in | Sign up


    Sponsored Links

    General Knowledge 4400+ MCQ's PDF Download
    General Knowledge Questions and Answers