Questions

Q:

Why does'nt the hydrogen atom emit X-rays?

A) It is very small in size B) It has only one electron
C) Its energy levels are very close to each other D) it is highly electropositive
 
Answer & Explanation Answer: C) Its energy levels are very close to each other

Explanation:

For an atom to emit X-rays it should have difference in energy levels

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Filed Under: Physics

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Q:

What is the currency of cuba?

A) Kuna B) Peso
C) Dollar D) None
 
Answer & Explanation Answer: B) Peso

Explanation:

Peso is the currency of Cuba

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Filed Under: General Awareness

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Q:

The main goal of Zionism was to

 

A) Establish a Jewish homeland B) Assimilate Jews into other cultures
C) Fight against anti-Semitism D) Increase Arab residents in Palestine
 
Answer & Explanation Answer: A) Establish a Jewish homeland

Explanation:
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Filed Under: World History
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Q:

On the Kelvin scale ,the melting point of ice is

A) 373K B) 100K
C) 273K D) 0 K
 
Answer & Explanation Answer: C) 273K

Explanation:
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Q:

The question of disqualification of a member of a State Legislature shall be decided by the Governor after consultation with the 

A) Chief Minister B) Election Commission
C) Supreme Court D) Public Service Commission
 
Answer & Explanation Answer: B) Election Commission

Explanation:

Article 192

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Filed Under: Indian Politics

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Q:

The dolphin is 

A) Fish B) Reptile
C) Mammal D) Turtle
 
Answer & Explanation Answer: C) Mammal

Explanation:
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Filed Under: Animals and Birds

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Q:

Which Indian athlete was the flag bearer for the Indian contingent in the 22nd Asian Athletics Championship (AAC)-2017 ?

A) Srabani Nanda B) Jitu Rai
C) Tintu Luka D) Dipa Karmakar
 
Answer & Explanation Answer: C) Tintu Luka

Explanation:

The 22nd edition of Asian Athletics Championships (AAC) has started at Kalinga Stadium in Bhubaneswar, Odisha on July 6, 2017 and will continue till July 9, 2017. Athlete Tintu Luka was the flag bearer for the Indian contingent which received a rousing welcome from the crowd. Odia athlete Srabani Nanda had the honour of taking the oath on behalf of athletes at the inaugural ceremony. Over 1,200 athletes and officials from 43 countries in Asia witnessed the largest sporting event. The official mascot of the Championship is “Olly Turtle” that represents the famous Olive Ridley sea turtle.

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Q:

Fish and other aquatic creatures can live inside a deep frozen pond because 

A) fish are cold-blooded animals B) ice is a bad conductor of heat
C) there will always be water just beneath the ice level D) they can adapt themselves to live in ice
 
Answer & Explanation Answer: C) there will always be water just beneath the ice level

Explanation:

Water has the maximum density at 4oC. So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at  4oC .  

Therefore, (C) is correct.

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Filed Under: Physics
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