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 General Science Questions

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Q:

Orbital period of Halley's comet is ___ years.

A) 25 B) 50
C) 75 D) 100
 
Answer & Explanation Answer: C) 75

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Q:

The planet Mars is also known as the ____.

A) Morning star B) Evening star
C) Red planet D) Blue planet
 
Answer & Explanation Answer: C) Red planet

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Q:

The study of human evolution indicates that all of us belong to a single species that evolved in

A) West Asia B) Central Asia
C) Africa D) America
 
Answer & Explanation Answer: C) Africa

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Q:

Which planet is the nearest in size to Earth?

A) Mercury B) Mars
C) Venus D) Saturn
 
Answer & Explanation Answer: C) Venus

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Q:

In which year did Ole Romer measure the speed of light for the first time in the history?

A) 1776 B) 1676
C) 1876 D) 1867
 
Answer & Explanation Answer: B) 1676

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Q:

What is the name of the spacecraft launched in 2019-20 by ISRO to study the sun?

A) Surya B) Aditya
C) Ravi D) Bhaskar
 
Answer & Explanation Answer: B) Aditya

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Q:

Glaciers are formed by

A) Melting snow B) Accumulation of snow
C) Heavy hail fall D) High rainfall
 
Answer & Explanation Answer: B) Accumulation of snow

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3 809
Q:

All of the following are true about ecosystems except

A) they represent the lowest level of biological organization that is known B) there is a transfer of energy through the system and it is lost
C) the ultimate source of energy is the sun for nearly all known ecosystems  D) they contain both living and nonliving components
 
Answer & Explanation Answer: A) they represent the lowest level of biological organization that is known

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