General Science Questions

Q:

What is the main cause of temperature rise in the interior of the Earth?

A) Pressure B) Breakdown of radioactive substances
C) Both the pressure and breakdown of radioactive substances D) No option is correct
 
Answer & Explanation Answer: C) Both the pressure and breakdown of radioactive substances

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Q:

What is the sound made by seal called?

A) Bark B) Moo
C) Screech D) Growl
 
Answer & Explanation Answer: A) Bark

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Q:

Which of the following is not a commercial source of energy?

A) Coal B) Petroleum
C) Natural Gas D) Firewood
 
Answer & Explanation Answer: D) Firewood

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Q:

Thermal electricity is generated by using which of these ?

A) Coal only B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum D) None of these
 
Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

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Q:

What are Equinox days?

A) When day is smaller than night B) When day is the longest in the year
C) When day is greater than night D) When day and night are equal
 
Answer & Explanation Answer: D) When day and night are equal

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Q:

Minamata disease is a nervous disorder caused by eating fish, polluted with _____

A) Iron B) Mercury
C) Lead D) Nickel
 
Answer & Explanation Answer: B) Mercury

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Q:

What is the process of waste water treatment is commonly known?

A) Waste water management B) Cleaning of water
C) Sewage treatment D) Decontamination
 
Answer & Explanation Answer: C) Sewage treatment

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Q:

The salt concentration (measured as salinity in parts per thousand), is less than ______ % in inland waters.

A) 5 B) 20
C) 50 D) 75
 
Answer & Explanation Answer: A) 5

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