Questions

Q:

Fill in the blank with the most appropriate option.

 

Ethanol is denatured to ___.

 

A) make it unsuitable for drinking B) make it suitable for drinking
C) increase its stability D) make it suitable as an antiseptic
 
Answer & Explanation Answer: A) make it unsuitable for drinking

Explanation:
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Q:

What comes down but never goes up?

Answer

Rain is what only comes down but never goes up.

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Q:

ATP stands for -

A) Adenosine triphosphate B) Alanine triphosphate
C) Adrenalin triphosphate D) Asparagine triphosphate
 
Answer & Explanation Answer: A) Adenosine triphosphate

Explanation:

Adenosine triphosphate (ATP) is a nucleotide which is also called as nucleoside triphosphate is a small molecule used in cells as a coenzyme. It is often referred to as the "molecular unit of currency" of intracellular energy transfer. ATP transports chemical energy within cells for metabolism. Most of the cellular functions need energy in order to be carried out such as synthesis of proteins, synthesis of membranes, movement of the cell, cellular division, transport of various solutes etc. The ATP is the molecule that carries energy to the place where the energy is needed. When ATP breaks into ADP (adenosine diphosphate) and Pi (phosphate), the breakdown of the last covalent link of phosphate liberates energy that is used in reactions where it is needed.

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Q:

An object at rest may have

A) Momentum B) Potential energy
C) Velocity D) Kinetic energy
 
Answer & Explanation Answer: B) Potential energy

Explanation:

An object at rest may have Potential energy.

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Q:

Germany signed the Armistice Treaty on ____ and World War I ended

A) January 19, 1918 B) May 30, 1918
C) November 11, 1918 D) February 15, 1918
 
Answer & Explanation Answer: C) November 11, 1918

Explanation:
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Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 

A) K1k2/k1+k2 B) 2k1k2/k1+k2
C) K1+k2/k1k2 D) None
 
Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

 

The equivalent K =  L1 + L2L1K1+L2K2

 

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

 

But here L1 = L2 = L (say)

 

Then K = L+L/(L/K1 + L/K2)  =  2K1K2K1+K2

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Q:

Ashok Mehta committee recommended for the establishment of

A) Gram Panchayat B) Nagar Panchayat
C) Panchayat Samiti D) All of the above
 
Answer & Explanation Answer: A) Gram Panchayat

Explanation:

Under the chairmanship of Ashoka Mehta, the Janata Government appointed a committee on Panchayat Raj system in December 1977. They have made 132 recommendations to revive and strengthen the declining Panchayati Raj system in the country. As a result of this report, the Indian states of Karnataka, Andhra Pradesh, and West Bengal passed new legislation.

Ashok_Mehta_committee_recommended_for_the_establishment_of1560945557.jpg image

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Q:

Central processing unit is combination of

A) Arithmetic and Control unit B) Control and Output unit
C) Control and Storage unit D) Arithmetic logic and input unit
 
Answer & Explanation Answer: A) Arithmetic and Control unit

Explanation:
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