Inventions Questions

Q:

______ was the first person who discovered cells.

 

A) Robert Hooke   B) Francis Crick  
C) Alexander Fleming   D) Ernest Rutherford  
 
Answer & Explanation Answer: A) Robert Hooke  

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Q:

Who among the following scientists invented dynamite?

 

A) Rudolf Diesel   B) Benjamin Franklin  
C) Alfred Nobel   D) Thomas Alva Edison  
 
Answer & Explanation Answer: C) Alfred Nobel  

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Q:

The general formula of alkynes is:

 

 

A) CnH3n − 3 B) CnH2n − 2
C) CnH2n + 2 D) CnH2n
 
Answer & Explanation Answer: B) CnH2n − 2

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Q:

________ is the smallest unit of data in a computer.

 

A) Bit B) Gigabyte
C) Terabyte D) Byte
 
Answer & Explanation Answer: A) Bit

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Q:

Which of the numbers given below is NOT rational?

 

A) 324 B) 643
C) 325 D) 273
 
Answer & Explanation Answer: A) 324

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Q:

Analytical Engine was invented by

A) Dewar B) Charles Babbage
C) Daimler D) None of these
 
Answer & Explanation Answer: B) Charles Babbage

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Q:

It travels over land and water. Who invented the HOVERCRAFT?

A) C. Cockerell B) S. Sperrow
C) O. Stricheg D) T. Henman
 
Answer & Explanation Answer: A) C. Cockerell

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Q:

Air conditioner was discovered by

A) Edison B) Wilson
C) Carrier D) Roentgen
 
Answer & Explanation Answer: C) Carrier

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