Environment Questions, General Study (GK)

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121.

Genetic diversity in agricultural crops is threatened by

(a)introduction of high yielding varieties

(b)intensive use of fertilizers

(c)extensive intercropping

(d)intensive use of biopesticides

Comment

Answer is: C

122.

Which of the following is not one of the major environment problems resulting from human interference in the nitrogen cycle?

(a)Eutrophication

(b)Nitrous oxide release increases global warming

(c)Increased acid rain

(d)Stratospheric ozone depletion

Comment

Answer is: D

123.

Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratoshperic ozone?

(a)Increased liver cancer

(b)Increased skin cancer

(c)Damage to eyes

(d)Reduced immune system

Comment

Answer is: A

124.

The CERES Principles are

(a)codes for protection of salmon fisheries

(b)a set of voluntary environmental standards for business

(c)anti-pollution codes that were adopted at the first Earth Summit in 1992

(d)designed to eliminate the production of greenhouse gases

Comment

Answer is: B

125.

The following pollutant is not contained in the vehicular exhaust emissions

(a)lead

(b)ammonia

(c)carbon monoxide

(d)particulate matter

Comment

Answer is: B

126.

CFCs are greenhouse gases that have caused a rise of 0.3 SC in the global temperatures in the past century. Name the CFC that is used in refrigerators.

(a)Carbon dioxide

(b)Freon

(c)Methane

(d)Ammonia

Comment

Answer is: B

127.

India would phase out the production and consumption of the controlled ODS (Ozone Depleting Substances) within the time frame and limits specified in the

(a)Vienna Convention

(b)Basal Convention

(c)Montreal Protocol

(d)Agenda 21

Comment

Answer is: C

128.

Wind erosion is one of the key causes of desertification and occurs when soil is left bare of vegetation. State the major cause of wind erosion in arid and semi-arid lands where this problem is most server.

(a)Cleaning of land for agriculture

(b)Overgrazing by livestock

(c)Deforestation

(d)Forest fires

Comment

Answer is: B

129.

Municipal waste is disposed in the open dumps, landfills, sanitary landfills, and is also burnt in large furnaces. This method is know as

(a)Incineration

(b)Blastfurnace

(c)Waste furnace

(d)None of these

Comment

Answer is: B

130.

The municipal solid waste generated in India is about 40% organic matter. Composting is the best method of disposal of organic solid waste. Where was the country' first aerobic composting plant setup in 1992?

(a)Delhi

(b)Mumbai

(c)Kolkata

(d)Chennai

Comment

Answer is: B

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Environment QuestionsPage 13

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