Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the earth. What prevents them from reaching the surface of the earth?

[UPSC Civil Services Exam – 2012 Prelims]

(a) The Earth’s magnetic field diverts them toward its poles

(b) Ozone layer around the Earth reflects them back to outer space

(c) Moister in the upper layers of atmosphere prevents them from reaching the surface of the Earth

(d) None of the statements (a),(b) and (c) is correct.

Answer: (a)

Explanation:

High-speed electrically charged particles from space can cause serious harm to living beings upon reaching the Earth’s surface.
However, the Earth’s magnetic field steers these particles towards its poles.

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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:

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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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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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Download Neyyar App

Download
Neyyar App