Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm	B) -15 cm
C) +30 cm	D) +15 cm

Answer & Explanation Answer: B) -15 cm

Explanation:

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Q:

Which one of the following is not an exclusive right of the concerned coastal nations over Exclusive Economic Zone (EEZ)?

A) Survey and exploitation of mineral resources of ocean deposits	B) Exploitation of marine water energy and marine organisms including fishing
C) Conservation and management of marine resources	D) Navigation of ships and laying down submarine cables

Answer & Explanation Answer: D) Navigation of ships and laying down submarine cables

Explanation:

In the exclusive economic zone, the coastal nation has sovereign rights for the purpose of exploring and exploiting, conserving and managing the natural resources, whether living or non-living, including production of energy from the water, currents and winds. However, In the exclusive economic zone, all nations, whether coastal or land-locked shall enjoy the freedom of navigation and overflight and of the laying of submarine cables and pipelines, and other internationally lawful uses of the sea. That means fourth right is not exclusive only for the coastal nations.

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Q:

Which one of the following became a part of China in 1997 following the principle of ‘one country, two systems’?

A) Tibet	B) Hong Kong
C) Xinjiang	D) Inner Mongolia

Answer & Explanation Answer: B) Hong Kong

Explanation:

Originally designed for Taiwan, Beijing applied the “One Country, Two Systems” principle to Hong Kong on July 1, 1997 when sovereignty of the territory was passed from Britain to China.But “One Country, Two Systems,” which guarantees a degree of autonomy under Chinese supervision, isn’t applicable to Taiwan. The island has evolved into a self-ruled, hyper-democracy that enjoys de facto operational independence

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Q:

Who launched ‘National Biopharma mission’ named ‘i3’ in June, 2017?

A) Piyush Goyal	B) Rajnath Singh
C) Dr. Harsh Vardhan	D) Arun Jaitley

Answer & Explanation Answer: C) Dr. Harsh Vardhan

Explanation:

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Q:

The ancient Indian legal document 'Manusmriti' was written in ___.

A) Tamil	B) Hindi
C) Sanskrit	D) Bengali

Answer & Explanation Answer: C) Sanskrit

Explanation:

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Q:

If the first and third members of a Dobereiner triad are Phosphorous and Antimony, the second member of this triad is

A) Calcium	B) Iodine
C) Arsenic	D) Sulphur

Answer & Explanation Answer: C) Arsenic

Explanation:

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Q:

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. If there is no error, the answer is ‘No error’. (Ignore the errors of punctuation, if any.)

The coverage of schemes remain /patchy because of rampant / leakages, and poor execution / and monitoring. / No error

A) The coverage of schemes remain	B) patchy because of rampant
C) leakages, and poor execution	D) and monitoring

Answer & Explanation Answer: A) The coverage of schemes remain

Explanation:

'The coverage of schemes remains' should be used to make the sentence correct. Here the noun is 'coverage' that’s why we should use 'remains' instead of 'remain'.

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Filed Under: English
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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

It is not _____ to ignore all allegations of booth capturing and rigging as murmurs of _____ losers. _____ have come to light of intimidation of whole villages and communities to make them vote for a particular candidate or party. At times election officials have been _____ by unscrupulous politicians into turning a blind eye to _____ practices.

and rigging as murmurs of _____ losers.

A) rational	B) disgruntled
C) huge	D) idealist

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