Which of the following statements is correct about phytoremediation?
a) It is use of fungi to remove pollutants from the area.
b) It is use of fungi to detoxicate water.
c) It is use of plants to decontaminate water and soil.
d) It is use of advanced technology to detoxicate water and soil.
Correct Answer: C
Explanation
Phytoremediation is the direct use of living green plants for in situ, or in place, removal,
degradation, or containment of contaminants in soils, sludges, sediments, surface water and
groundwater.
Consider the following statements about Birdlife international
1. It is an organization under UN which that strives to conserve birds, their habitats and global
biodiversity.
2. It publishes a quarterly magazine – World Birdwatch.
3. It is the official Red List authority for birds, for the International Union for Conservation of
Nature.
Which of the statements given above is/ are correct?
a) 1, 2 and 3
b) 1 and 2 only
c) 2 and 3 only
d) 3 only
Correct Answer: C
Explanation
BirdLife International (formerly the International Council for Bird Preservation) is a UK based
global partnership of conservation organisations that strives to conserve birds, their habitats
and global biodiversity.
∙ It is the world’s largest partnership of conservation organisations, with over 120 partner
organisations.
∙ BirdLife International publishes a quarterly magazine, World Birdwatch, which contains
recent news and articles about birds, their habitats, and their conservation around the world.
∙ BirdLife International is the official Red List authority for birds, for the International Union for
Consider the following statements about Wildlife Crime Control Bureau
1. It is a statutory multi-disciplinary body consisting of officials from police, forest department
and customs.
2. It functions under the Ministry of Environment and Forests.
3. It has been established by the Government of India by amending the Environment Protection
Act, 1986.
Which of the statements given above is/ are correct?
a) a) 1 only
b) 1 and 2 only
c) 2 and 3 only
d) 3 only
Correct Answer: B
Explanation
Wildlife Crime Control Bureau is a statutory multi-disciplinary body. Established by the Government of India on 6 June 2007, by amending the Wildlife (Protection) Act, 1972. Functions under the Ministry of Environment and Forests. Headquarter- New Delhi. It complements the efforts of the state governments, primary enforcers of the Wildlife (Protection) Act, 1972 and other enforcement agencies of the country.
A lake with inflow of domestic sewage rich in organic waste may result in
a) Drying of lake very soon due to algal bloom.
b) An increase production of fish due to lot of nutrients.
c) Death of fish due to lack of oxygen.
d) Increased population of aquatic food web organisms.
Correct Answer: C
Explanation
A lake with inflow of domestic sewage rich in organic waste may result in death of fish due to
lack of oxygen.
Consider the following statements about fly ash construction cost.
2. It contains nitrogen oxides which results in heavy smog near thermal power plants.
3. It causes respiratory problems.
Which of the statements given above is/ are correct?
a) a) 1 only
b) 1 and 3 only
c) 2 and 3 only
d) 3 only
Correct Answer: B
Explanation
Fly ash is one of the coal combustion products, composed of the fine particles that are driven out of the boiler with the flue gases. All fly ash includes substantial amounts of silicon dioxide (SiO2), aluminium oxide (Al2O3) and calcium oxide (CaO). Probable uses of fly ash:
Concrete production, as a substitute material for Portland cement and sand Embankments and other structural fills (usually for road construction) Groud and Flowable fill production Waste stabilization and solidification Cement clinkers production - (as a substitute material for clay) Mine reclamation Stabilization of soft soils Road sub-base construction As Aggregate substitute material (e.g. for brick production)
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