Questions

Q:

The atoms of the elements having same mass number but different atomic number are called

A) Isotopes B) Isobars
C) Isotones D) Isomers
 
Answer & Explanation Answer: B) Isobars

Explanation:
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Q:

Who was the first captain of Indian Test Team

A) Vijay Hazare B) C K Nayudu
C) Lala Amarnath D) Vijay Merchant
 
Answer & Explanation Answer: B) C K Nayudu

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Q:

Tone, volume and pace are part of

A) Body language B) Spoken language
C) Sign language D) Written language
 
Answer & Explanation Answer: B) Spoken language

Explanation:

Tone, volume and pace are part of Spoken language.

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Q:

The water molecule has a dipole with the negative portion

A) localized on one of the hydrogens B) localized between the hydrogen atoms
C) pointing toward the oxygen atom D) pointing from the oxygen through the hydrogen atoms
 
Answer & Explanation Answer: C) pointing toward the oxygen atom

Explanation:

The water molecule has a dipole with the negative portion pointing toward the oxygen atom.

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Q:

An instrusion of magma along a bedding plane is called a

A) Dyke B) Still
C) Batholith D) Laccolith
 
Answer & Explanation Answer: C) Batholith

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Q:

Two trains cross each other in _____ time ? 

17499494_1251651558275279_9192886760450524065_n1500008429.png image

A) 145 sec B) 124 sec
C) 158 sec D) 162 sec
 
Answer & Explanation Answer: D) 162 sec

Explanation:

Given two trains of length = 180 mts + 180 mts 

The distance is = Length of trains = 360 mts 

Speed = 58 - 50 = 8 kmph x 5/18 m/s

Then, Time = dis/speed = (360x18) / (8x5) = 162 sec.

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Q:

Which is a pair of allotropes?

A) carbon-16 and carbon-12 B) diamond and graphite
C) carbon dioxide and graphite D) diamond and carbon dioxide
 
Answer & Explanation Answer: B) diamond and graphite

Explanation:

Allotropes are the different physical forms of an element. Here in the given options, diamond and graphite are the pair of allotropes of carbon.

 

Some more examples are Molecular oxygen and ozone are pair of allotropes, Black and red phosphorous are also pairs of allotropes.

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Q:

Rubella diseases is described first by the scientist

A) Abu Baqre B) Ronald Ross
C) Laveris D) Darwin
 
Answer & Explanation Answer: A) Abu Baqre

Explanation:
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