Photochemical smog is a resultant of the reaction among

Photochemical smog is a resultant of the reaction among

[UPSC Civil Services Exam – 2013 Prelims]

(a) NO₂, O₃ and peroxyacetyl nitrate in the presence of sunlight

(b) CO, O₂ and peroxyacetyl nitrate in the presence of sunlight

(c) CO, CO₂ and NO₂ at low temperature

(d) High concentration of NO₂, O₃ and CO in the evening

Answer: (a)

Explanation:

Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
It tends to occur more often in summer, because that is when we have the most sunlight.

Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection?

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to [UPSC Civil Services Exam – 2015 Prelims]

Consider the following statements: The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:

Consider the following statements: The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void? [UPSC

The Ninth Schedule was introduced in the Constitution of India during the prime ministership of

The Ninth Schedule was introduced in the Constitution of India during the prime ministership of [UPSC Civil Services Exam – 2019 Prelims] (a) Jawaharlal Nehru

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Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection?

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?

The Ninth Schedule was introduced in the Constitution of India during the prime ministership of

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Categories

Which one of the following Schedules of the Constitution of India contains provisions regarding anti-defection?

The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?

The Ninth Schedule was introduced in the Constitution of India during the prime ministership of

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