General Knowledge Questions

Q:

How many atoms are present in a (NH4)2SO4 molecule?

A) 15 B) 14
C) 13 D) 12
 
Answer & Explanation Answer: A) 15

Explanation:
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Q:

The absolute refractive index of any medium is always:

A) more than one B) 0
C) 1 D) less than one
 
Answer & Explanation Answer: A) more than one

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Q:

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?

A) 21 B) 17
C) 19 D) 9
 
Answer & Explanation Answer: C) 19

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Q:

Which of the following does nutritional genomics study?

A) how certain nutrients affect an individual's gene expression B) the precise amount of micronutrients the body needs
C) the protein content of an individual D) the genetic sequence of an individual's genome
 
Answer & Explanation Answer: A) how certain nutrients affect an individual's gene expression

Explanation:

Nutritional genomics is a science studying the effects of food and food constituents on gene expression and the relationship between human genome, nutrition and health. It is also known as nutrigenomics. It also studies how genetic variations affect the nutritional environment.

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Q:

Which element has the lowest ionization energy?

A) He B) Ne
C) Fr D) Rb
 
Answer & Explanation Answer: C) Fr

Explanation:

Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells.


The ionization energy decreases from top to bottom in groups, and increases from left to right across a period.

 

HGence, in this trend Francium (Fr) has the lowest ionization energy.

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Q:

Which organisation officially launched the International Year of the Period Table of Chemical Elements?

A) UNESCO B) UNO
C) WHO D) FHO
 
Answer & Explanation Answer: A) UNESCO

Explanation:

The International Year of the Periodic Table of Chemical Elements was launched by UNESCO at its Headquarters in Paris on  29th Jan 2019.

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Q:

What kind of weather would an occluded front likely bring?

A) cool air B) warm air
C) precipitation D) None of the above
 
Answer & Explanation Answer: C) precipitation

Explanation:

An occluded front is a type of weather front formed in the process of cyclogenesis when a cold front is overtaken a warm front. When this happens, the warm air is separated from the cyclone center at the Earth's surface.

 

An occluded front likely bring much precipitation kind of weather.

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Adjacent

 

A) Nearby B) Joining
C) Remote D) Bordering
 
Answer & Explanation Answer: C) Remote

Explanation:
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Filed Under: English
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