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Q:

Atomic mass of Carbon is 12 and that of Helium is 4. State which of the following statements is true for 1 mole of each of the elments?

A) 1 mole of Helium will contain 3 times more atoms than 1 mole of Carbon B) 1 mole of Carbon will contain the same number of atoms as present in 1 mole of Helium
C) 1 mole of Carbon will contain one-third the number of atoms present in 1 mole of Helium D) 1 mole of Carbon will contain 3 times more atoms than 1 mole of Helium
 
Answer & Explanation Answer: B) 1 mole of Carbon will contain the same number of atoms as present in 1 mole of Helium

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Filed Under: Chemistry
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Q:

Because of base pairing in DNA, the percentage of

A) thymine molecules in DNA is about equal to the percentage of adenine molecules B) cytosine molecules in DNA is much greater than the percentage of guanine molecules
C) adenine molecules in DNA is about equal to the percentage of guanine molecules D) adenine molecules in DNA is much greater than the percentage of thymine molecules
 
Answer & Explanation Answer: A) thymine molecules in DNA is about equal to the percentage of adenine molecules

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Filed Under: Biology
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Q:

The SI unit of weight is a

A) Kg B) Newton
C) Gram D) Dyne
 
Answer & Explanation Answer: B) Newton

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Filed Under: Physics
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Q:

Which of the following devices helps to maintain a potential difference across a conductor?

A) Galvanometer B) Ammeter
C) Voltmeter D) A cell or battery
 
Answer & Explanation Answer: D) A cell or battery

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Filed Under: Physics
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Q:

ΔPQR is right angled at Q. If m∠R = 60o, then find the value of (secP - 1/√3) 

A) (√6-6)/3√3 B) (1-3√2)/3
C) 1/√3 D) 2/√3
 
Answer & Explanation Answer: C) 1/√3

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Who is the author of the Indian English Novel 'When Dimple Met Rishi' published in 2017?

A) Chetan Bhagat B) Rahul Mehta
C) Sandhya Menon D) Nidhi Chanani
 
Answer & Explanation Answer: C) Sandhya Menon

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Filed Under: Books and Authors
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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.


Consternation

 

A) Dismay B)  Happiness
C)  Composure D) Assurance
 
Answer & Explanation Answer: A) Dismay

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Filed Under: English
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Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses D) the same atomic number and the atomic mass
 
Answer & Explanation Answer: C) the same atomic number but different atomic masses

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Filed Under: Chemistry

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