Questions

Q:

__________ is the number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration.

A) Natality B) Mortality
C) Immigration D) Emigration
 
Answer & Explanation Answer: D) Emigration

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Filed Under: General Awareness
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Q:

The SI unit of intensity of sound is ______.

A) watt per square meter B) joule per square meter
C) newton per square meter D) tesla per square meter
 
Answer & Explanation Answer: A) watt per square meter

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Filed Under: Physics
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Q:

If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.

A) the axis of rotation B) the line of rotation
C) the spinning rod D) the fixed line
 
Answer & Explanation Answer: A) the axis of rotation

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Filed Under: Physics
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Q:

Which of the following is an example of quantitative data?

A) Counter B) Measurement of physical objects
C) Data projection D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

An example of quantitative data is counter which couts the number of people or objects, measurement of physical objects like place length or area, data projection like what value of increase in sales or decrease in production, etc...

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Q:

The number of neutrons in an atom is equal to the :

A) Mass number B) Atomic number
C) Mass number - atomic number D) Number of electrons
 
Answer & Explanation Answer: C) Mass number - atomic number

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Q:

Who was the first Indian astronomer to calculate the time taken by earth to orbit the sun?

A) Aryabhatta B) Ved Bhatnagara
C) Bhaskaracharya D) Bishu devtamapi
 
Answer & Explanation Answer: C) Bhaskaracharya

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Q:

Which of the following is NOT a primary green house gas in the earth's atmosphere?

A) Methane B) Ozone
C) Nitrous oxide D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

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Filed Under: Chemistry
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Q:

The chemical formula of Ammonia is _____ .

A) NH B) NH1
C) NH2 D) NH3
 
Answer & Explanation Answer: D) NH3

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Filed Under: Chemistry
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