Questions

Q:

According to Malthusian theory of population

A) Population increases in geometric ratio, food supply B) Population increases in arithmetic ratio, food supply increases in geometric ratio
C) Population increases in a harmonic mean, food supply increases in geometric ratio D) Population increases in a harmonic ratio, food supply increases in a arithmetic ratio
 
Answer & Explanation Answer: A) Population increases in geometric ratio, food supply

Explanation:
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Q:

Equinox occurs when the sun is vertically above .....

A) Tropic of Capricorn B) Tropic of Cancer
C) Poles D) Equator
 
Answer & Explanation Answer: D) Equator

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Q:

Which one of the following takes place during a nuclear fusion?

A) a heavy nucleus bombarded by neutrons breaks up B) a heavy nucleus breaks up spontaneously
C) two light nuclei combine to form a heavy nucleus D) a light nucleus breaks up spontaneously
 
Answer & Explanation Answer: C) two light nuclei combine to form a heavy nucleus

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Q:

The sensitive information leaked in August 2016 concerns which one of the following defence platforms of India?

A) Fifty Generation Fighter Aircraft B) Combat Helicopters
C) Submarines D) Unmanned Aerial Vehicles
 
Answer & Explanation Answer: C) Submarines

Explanation:

In August 2016, The Government of India is seized of the reported leak of documents related to the ongoing Indian Scorpene submarine programme as reported in sections of the media. The documents that have been posted on the website by an Australian news agency have been examined and do not pose any security compromise as the vital parameters have been blacked out.

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Q:

The place on the earth's surface above the focus is called the __________.

A) focus B) incentre
C) epicentre D) circumcentre
 
Answer & Explanation Answer: D) circumcentre

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Q:

Which university has been ranked at the top in the Swachhta Ranking 2017 released by the Union Government?

A) Banaras Hindu University B) Hyderabad University
C) O.P. Jindal University D) Madurai University
 
Answer & Explanation Answer: C) O.P. Jindal University

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Q:

A  photon  of  X-ray  has  energy  of  1  keV.  A photon of visible radiation has energy of 3 eV.  In  this  context,  which  one  of  the following statements is not correct?

A) The wavelength of X-ray photon is less than the wavelength of visible radiation photon. B) Both    the    photons    have    different energies.
C) The  speeds  of  both  the  photons  in vacuum are different D) The   frequency   of   X-ray   photon   is higher  than  the  frequency  of  visible radiation photon.
 
Answer & Explanation Answer: C) The  speeds  of  both  the  photons  in vacuum are different

Explanation:

The speed of all the electromagnetic radiation are always   same   and   equal   to   the numerical value 3 x 10^8m/sec.

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Q:

With reference to gravity, what is G called?

A) Gravitational constant B) Gravitational attraction
C) Gravitational force D) Acceleration due to gravity
 
Answer & Explanation Answer: A) Gravitational constant

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