General Knowledge Questions

Q:

Which scientist discovered the radioactive element radium?

A) Isaac Newton B) Marie Curie
C) Benjamin Franklin D) None of these
 
Answer & Explanation Answer: B) Marie Curie

Explanation:
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Filed Under: Inventions

2 4885
Q:

When is the world's Asthma day celebrated?

A) 7 may 2013 B) 7 june 2013
C) 7 january 2013 D) 7 july 2013
 
Answer & Explanation Answer: A) 7 may 2013

Explanation:

7th may is considered as world's Asthma day .This worked with the theme of "you can controll your asthma"

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Q:

Metal present in chocolate wrappers is

A) Aluminium B) Haemoglobin
C) Chalk D) Chlorophyll
 
Answer & Explanation Answer: A) Aluminium

Explanation:

Metal Aluminium is present in chocolate wrappers.

metal_present_in_chocolate_wrappers1543390493.jpg image

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Filed Under: Chemistry
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1 4883
Q:

Which statement best describes Arteries?

A) They have thin walls and transport blood away from the heart B) They have thick walls and transport blood toward the heart
C) They have thin walls and transport blood toward the heart D) They have thick walls and transport blood away from the heart
 
Answer & Explanation Answer: D) They have thick walls and transport blood away from the heart

Explanation:

Because arteries have to have thick walls for use of protection. Its when you get to veins where the walls get thinner. And the use of the heart is to pump blood to all of the cells and organs in the body so it would be to transport blood away from the heart.

i.e. 

Arteries = Away from the Heart 
Veins = Back to the Heart.

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Filed Under: Biology
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2 4883
Q:

In which year was "Jana Gana Mana" adopted as the National Anthem  ?

A) 1947 B) 1949
C) 1951 D) 1950
 
Answer & Explanation Answer: D) 1950

Explanation:

1950

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Filed Under: Indian Politics
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10 4881
Q:

Which one of the following laws directly expalins the law of coservation of mass

A) Hund's rule B) Dalton's law
C) Avogadro's law D) Berzelius hypothesis
 
Answer & Explanation Answer: C) Avogadro's law

Explanation:
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Filed Under: Chemistry

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Q:

The Gas used for Artificial Ripening of Green Fruit is

A) Acetone B) Di Carbonate
C) Ethylene D) Ethyl Alcohol
 
Answer & Explanation Answer: C) Ethylene

Explanation:

Ethylene is used for Artificial Ripening of Green Fruit.

    • Calcium carbide is also used in some countries for artificially ripening fruit. When calcium carbide comes in contact with moisture, it produces acetylene gas, which is quite similar in its effects to the natural ripening agent, ethylene

 

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Filed Under: Chemistry
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9 4878
Q:

Persistence of vision is the principle behind

A) Telescope B) Periscope
C) Cinema D) Microscope
 
Answer & Explanation Answer: C) Cinema

Explanation:

Optical illusion is what that refers to persistence of vision with a principle that multiple images blend into a single image in human mind and what is showed in cinema.

 

Hence, Persistence of vision is the principle behind cinema.

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Filed Under: Physics
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