General Knowledge Questions

Q:

Bronze is an alloy of

A) Copper & tin B) Copper & zinc
C) Copper & iron D) Iron & nickel
 
Answer & Explanation Answer: A) Copper & tin

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Q:

The reaction of Copper Sulphate and Iron produces Iron Sulphate and __________.

A) Vinegar B) Ash
C) Baking Soda D) Copper
 
Answer & Explanation Answer: D) Copper

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Q:

Total number of countries in the world are

A) 125 B) 165
C) 255 D) 195
 
Answer & Explanation Answer: D) 195

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Filed Under: World Geography
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Q:

Which of the following award is given for distinguished service in any field including service rendered by the Government servants?

A) Ashok Chakra B) Dada Saheb Phalke Awards
C) Arjuna Award D) Padma Shri
 
Answer & Explanation Answer: D) Padma Shri

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Filed Under: Honours and Awards
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Q:

Marble comes under which category of rocks?

A) Sedimentary B) Igneous
C) Metamorphic D) None of these
 
Answer & Explanation Answer: C) Metamorphic

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Filed Under: General Science
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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
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Q:

Which of the following bacterium causes crown gall disease in plants?

A) Bacillus thurigiensis B) Agrobacterium tumefaciens
C) Pseudomonas fluorescens D) None of these
 
Answer & Explanation Answer: B) Agrobacterium tumefaciens

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Filed Under: Biology
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Q:

In India, The President’s Rule continues for six months, but it can be extended for a maximum period of ______ with the approval of the Parliament, every six months.

 

 

A) one year B) two years
C) three years D) four years
 
Answer & Explanation Answer: C) three years

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Filed Under: Indian Politics
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