Tag: history

Questions Related to history

When did Bhavnagar state was merged with United Saurashtra state?

history independent india integration of princely states merger of princely state fulfillment of struggle for independence

  1. 15 January 1948

  2. 15 February 1948

  3. 15 March 1948

  4. 15 April 1948

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Correct Option: B

When Daman and Diu were separated from Goa?

history independent india integration of princely states merger of princely state fulfillment of struggle for independence

  1. 30 May 1985

  2. 30 May 1986

  3. 30 May 1987

  4. 30 May 1988

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Correct Option: C

When did Kashmir became part of Union of India?

history independent india integration of princely states merger of princely state fulfillment of struggle for independence

  1. ${26}^{th}$ October 1947

  2. ${24}^{th}$ October 1948

  3. ${15}^{th}$ August 1947

  4. ${26}^{th}$ January 1950

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Correct Option: A

When did Goa, Dadra, Nagar Haveli, Daman and Diu were merged with Union of India?

history independent india integration of princely states merger of princely state fulfillment of struggle for independence

  1. 12 March 1961

  2. 12 March 1962

  3. 12 March 1963

  4. 12 March 1964

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Correct Option: B

The Taj Mahal has become a matter of concern:

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. because it is located in Agra city

  2. because of its bustling manufacturing centre in the populous city

  3. because pollutants in air are discolouring its white marble

  4. none of these

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Correct Option: C
Explanation:

The Taj Mahal has become a matter of concern because pollutants in air are discolouring its white marble. It is the most beautiful place in India and it will be a tragedy if something bad happens to it. 

Experts are worried about Taj mahal because:

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. pollutants in air are discolouring its white marble

  2. it is not only living organisms that get affected by polluted air

  3. non-living things like buildings, monuments and statues also get affected

  4. all of the above

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Correct Option: D
Explanation:

Experts have warned that pollutants in the air are discolouring its white marble. So, it is not only living organisms that get affected by polluted air but non-living things like buildings, monuments and statues also get affected.

The Supreme Court ordered:

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. industries to switch to cleaner fuels like CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas)

  2. the automobiles should switch over to unleaded petrol in the Taj zone

  3. both A and B

  4. none of these

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Correct Option: C
Explanation:

The Supreme Court ordered industries to switch to cleaner fuels like CNG (Compressed Natural Gas) and LPG (Liquefied Petroleum Gas). Moreover, the automobiles should switch over to unleaded petrol in the Taj zone.

Experts have warned about Taj Mahal that:

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. pollutants in air are discolouring its white marble

  2. pollutants in water are discolouring its white marble

  3. pollutants in land are discolouring its white marble

  4. all of the above

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Correct Option: A
Explanation:

Experts have warned about Taj Mahal that pollutants in air are discolouring its white marble.

Which building material is least likely to be rapidly eroded by acid rain? 

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. Marble

  2. Sand stone

  3. Granite

  4. Lime stone

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Correct Option: C
Explanation:

Granite is the least susceptible to acid rain because its it is composed of feldspar and quartz, both of which resist attacks of acid.

Monuments of marble can be destroyed by:

history a road to history taj mahal: a case study air and water pollution control air and water pollution

  1. sulphur dioxide pollution

  2. carbon monoxide pollution

  3. pesticide pollution

  4. dust particles

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Correct Option: A
Explanation:

Sulphur dioxide fumes mix with air moisture and come down as acid rain in the form of sulphuric acid. This acid rain can damage the marble tombs which is calcium carbonate and its reaction with acid rain forms calcium sulfate which gives a yellowish color of acid to the marble. This gradually destroys the marble structure over a period of time.
$CaCO _3 + H _2SO _4 \rightarrow CaSO _4 + H _2O + SO _2\uparrow$