Questions

Q:

Which molecule is nonpolar and has a symmetrical shape?

A) NH3 B) HCl
C) H2O D) CH4
 
Answer & Explanation Answer: D) CH4

Explanation:

Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At short notice

A) With little warning or time for preparation. B) To ignore something important at your own peril.
C) To notice a small leak which can sink a ship. D) Inform somebody that they are fired from a job.
 
Answer & Explanation Answer: A) With little warning or time for preparation.

Explanation:
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Q:

What are various scheduling queues?

Answer

 



  • Job queue

  • Ready queue

  • Device queue

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the
same sentence in Passive/Active voice.


I saw the master conducting the orchestra.

A) I saw that the orchestra was being conducted by the master. B) I saw the orchestra being conducted by the master.
C) The master was seen conducting the orchestra by me. D) The master was conducting the orchestra and I saw that.
 
Answer & Explanation Answer: B) I saw the orchestra being conducted by the master.

Explanation:
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Q:

India's Multi Application Solar Telescope (MAST) was operationalized at the ____ Solar Observatory.

A) Udaipur B) Jaipur
C) Kodaikanal D) Ahmedabad
 
Answer & Explanation Answer: A) Udaipur

Explanation:
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Q:

Which of the following rivers does NOT originate from Amarkantak Plateau or nearby places?

A) Godavari B) Narmada
C) Tawa D) Son
 
Answer & Explanation Answer: A) Godavari

Explanation:
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Q:

What happens to electrons in an ionic bond?

A) collision of electrons B) Sharing of electrons
C) Both A & B D) Transfer of electrons
 
Answer & Explanation Answer: D) Transfer of electrons

Explanation:

An ionic bond is formed between two molecules when transfer of valency electrons take place between them. 

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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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