General Science Questions

Q:

Which of the following gases emitted from automobile exhaust is poisonous?

A) Carbon monoxide B) Carbon dioxide
C) Hydrocarbons D) Sulphur dioxide
 
Answer & Explanation Answer: A) Carbon monoxide

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Q:

Which of the following is NOT true about vascular system?

A) Life span of human RBC is 115-120 days. B) The vascular system forms about 7-8% of the body weight.
C) Blood is white or red vascular connective tissue. D) There is about 6.8 liters of blood in an adult person
 
Answer & Explanation Answer: C) Blood is white or red vascular connective tissue.

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Q:

In which industry Potassium Nitrate is used commercially?

A) Glass Manufacturing B) Electroplating
C) Fire Cracker Manufacturing D) Leather Industry
 
Answer & Explanation Answer: C) Fire Cracker Manufacturing

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Q:

The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called?

A) Mulching B) Contour barriers
C) Rock dam D) Terrace farming
 
Answer & Explanation Answer: C) Rock dam

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Q:

The girth of the stem or root in plants increases due to :

A) Apical meristem B) Lateral meristem
C) Intercalary meristem D) Extra meristem
 
Answer & Explanation Answer: B) Lateral meristem

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Q:

First man to go into space was

A) Roald Amundsen B) Reynalt Mayor
C) Robert Peary D) Major Yuri Gagarin
 
Answer & Explanation Answer: D) Major Yuri Gagarin

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Q:

Red rot is a disease caused to which of the following plant?

A) Paddy B) Sugarcane
C) Mustard D) Wheat
 
Answer & Explanation Answer: B) Sugarcane

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Q:

Equinox means the date when ___________.

A) duration of day and night are equal B) day is longer than the night
C) night is longer than the day D) it is the shortest day and the shortest night of the year
 
Answer & Explanation Answer: A) duration of day and night are equal

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