Questions

Q:

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

 

A) 39 nanoseconds B) 43 attoseconds
C) 15 picoseconds D) 57 microseconds
 
Answer & Explanation Answer: B) 43 attoseconds

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Q:

Which of the following statement is true?

A) A Primary key is also a candidate key B) Each relation has at least one foreign key
C) Foreign keys can't have null values D) A Primary key is also an alternate key
 
Answer & Explanation Answer: A) A Primary key is also a candidate key

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Q:

Sadir is a name of which ancient dance style of India?

A) kathak B) Odissi
C) Bharatanatyam   D) Mohiniattam
 
Answer & Explanation Answer: C) Bharatanatyam  

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Q:

Biogas is produced from biomass by

A) destructive distillation B) fractional distillation
C) anaerobic fermentation D) dry distillation
 
Answer & Explanation Answer: C) anaerobic fermentation

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Q:

Acid Rain has pH value of

A) 5.5 or less B) 12.5 or more
C) 10.5 or more D) 8.5 or more
 
Answer & Explanation Answer: A) 5.5 or less

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Q:

In which of the following types of economy are the factors of production owned individually?

A) Capitalist B) Socialist
C) Mixed D) Both Capitalist and Socialist
 
Answer & Explanation Answer: A) Capitalist

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Q:

"Betting and gambling" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.

A) Union B) State
C) Global D) Concurrent
 
Answer & Explanation Answer: B) State

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Q:

A 'Market Economy' is one which

A) is controlled by the Government B) is free from the Government control
C) in influenced by international market forces D) All of these
 
Answer & Explanation Answer: B) is free from the Government control

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