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 General Science Questions

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Q:

Which instrument is used for photographing the Sun?

A) Galvanometer B) Potentiometer
C) Spectrophotometer D) Spectroheliograph
 
Answer & Explanation Answer: D) Spectroheliograph

Explanation:
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Q:

Silicon carbide is used for

A) Making cement paste B) Cutting very hard substances
C) Making statues D) Disinfectant
 
Answer & Explanation Answer: B) Cutting very hard substances

Explanation:

Silicon_carbide_is_used_for11553927357.jpg image

Silicon Carbide is a semiconductor which has silicon and carbon. It is also called as carborundam.

Silicon carbide is used for cutting very hard substances.

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Q:

The most productive ecosystem in the biosphere is

A) Desert B) Open Ocean
C) Estuary D) Tundra
 
Answer & Explanation Answer: C) Estuary

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2 1527
Q:

Order Primata comprising monkey, gorilla and gibbon is placed in class Mammalia along with order Carnivora that includes?

A) Giraffe, Camels and Elephants B) Crocodile, Lizard and Snake
C) Lion, Leopard and Tiger D) Tiger, Cats and Dogs
 
Answer & Explanation Answer: D) Tiger, Cats and Dogs

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Q:

The uppermost layer over the earth's surface is called the ______.

A) Mantle B) Core
C) Crust D) Exosphere
 
Answer & Explanation Answer: C) Crust

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2 1508
Q:

Which of the following planets of our solar system has least mass?

A) Neptune B) Jupiter
C) Mars D) Mercury
 
Answer & Explanation Answer: D) Mercury

Explanation:

 

 

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1 1500
Q:

Major portion of the earth's crust is mainly constituted by

A) Oxygen and Iron B) Oxygen and Silicon
C) Silicon and Iron D) Silicon and Aluminium
 
Answer & Explanation Answer: B) Oxygen and Silicon

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2 1499
Q:

Research designed to evaluate theories is called

Answer

Research designed to evaluate theories is called the scientific method.

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