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Showing 100 questions2011 ×(remove filter)Clear all

All subjects 100 Agriculture 4 Art and Culture 4CSAT 0Economics 19 Environment 20Ethics 0Geography 8 Governance 5 International Relations 6 Modern History 10Off Topics 0Polity 8 Science and Technology 16

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Environment › PollutionXSources

Environment › PollutionXSources

2011

There is a concern over the increase in harmful algal blooms in the seawater of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.

Options

(a)

1 only

(b)

1 and 2 only

(c)

2 and 3 only

(d)

1, 2 and 3

Answer

(D)
Environment › Rio Family/UNFCCC/IPCC

Environment › Rio Family/UNFCCC/IPCC

2011

Regarding “carbon credits’’, which one of the following statements is not correct?

Options

(a)

The carbon credit system was ratified in conjunction with the Kyoto protocol.

(b)

Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota.

(c)

The goal of the carbon credit system is to limit the increase of carbon dioxide emission.

(d)

Carbon credits are traded at a price fixed from time to time by the United Nations environment programs.

Answer

(D)
Environment › SpeciesXHabitat

Environment › SpeciesXHabitat

2011

A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area, but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal?

Options

(a)

Indian wild buffalo

(b)

Indian wild ass

(c)

Indian wild boar

(d)

Indian gazelle

Answer

(B)
Environment › SpeciesXPlants

Environment › SpeciesXPlants

2011

When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because?

Options

(a)

Water from soil cannot rise to aerial parts.

(b)

Roots are starved of energy.

(c)

Tree is infected by soil microbes.

(d)

Roots do not receive oxygen for respiration.

Answer

(B)
Environment › SpeciesXPlants

2011

A state in India has the following characteristics:
1. Its northern part is arid and semi-arid.
2. Its central part produces cotton.
3. Cultivation of cash crops is predominant over food crops. Which one of the following states has all of the above characteristics?

Options

(a)

Andhra Pradesh

(b)

Gujarat

(c)

Karnataka

(d)

Tamil Nadu

Answer

(B)
Environment › SpeciesXPlants

2011

Among the following states, which one has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production, and can develop an export-oriented industry in this field?

Options

(a)

Andhra Pradesh

(b)

Arunachal Pradesh

(c)

Madhya Pradesh

(d)

Uttar Pradesh

Answer

(B)
Environment › SpeciesXThreats and Conservation efforts

Environment › SpeciesXThreats and Conservation efforts

2011

Which one of the following is not a site for in-situ method of conservation of flora?

Options

(a)

Biosphere Reserve

(b)

Botanical Garden

(c)

National Park

(d)

Wildlife Sanctuary

Answer

(B)
Geography › Arctic, Antarctic

Geography › Arctic, Antarctic

2011

The formation of ozone holes in the Antarctic Region has been a cause of concern. What could be the reason for the formation of this hole?

Options

(a)

Presence of prominent tropospheric turbulence; and inflow of chlorofluorocarbons

(b)

Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons

(c)

Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons

(d)

Increased temperature at polar region due to global warming

Answer

(B)
Geography › ClimatolgyXAtmosphere

Geography › ClimatolgyXAtmosphere

2011

A layer in the Earth’s atmosphere called the ionosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves to earth.
2. Radio waves have a very long wavelength.

Options

(a)

1 only

(b)

2 only

(c)

Both 1 and 2

(d)

Neither 1 nor 2

Answer

(D)
Geography › ClimatolgyXAtmosphere

2011

The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation?
1. There are no clouds or water vapour in the lower stratosphere.
2. There are no vertical winds in the lower stratosphere.

Options

(a)

1 only

(b)

2 only

(c)

Both 1 and 2

(d)

Neither 1 nor 2

Answer

(C)

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