General Knowledge Questions

Q:

Through which light cannot pass?

A) Notebook paper B) Water
C) Book D) Sun glasses
 
Answer & Explanation Answer: C) Book

Explanation:

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

 

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

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2 1932
Q:

Who is the founder and also first Chairman of the ISRO, it was established in 1969?

A) Vikram Sarabhai B) A P J Abdul Kalam
C) Homi J Bhabha D) Satish Dhawan
 
Answer & Explanation Answer: A) Vikram Sarabhai

Explanation:

The founder and also first Chairman of the ISRO is Vikram Sarabhai.

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0 1932
Q:

Grammy Award is given in the field of

A) Music B) Medicine
C) Sports D) Literature
 
Answer & Explanation Answer: A) Music

Explanation:

Grammy Award is given in the field of Music industry by The Recording Academy of the United States.

grammy_award_is_given_in_the_field_of1544436624.jpg image

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0 1932
Q:

Liquid sodium is being considered as

A) engine coolant B) bleaching agent
C) antiseptic D) None of the above
 
Answer & Explanation Answer: A) engine coolant

Explanation:

Liquid sodium is being considered as engine coolant.

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2 1932
Q:

The (O-H) bond in CH3OH is _____.

A) polar covalent B) ionic
C) non polar covalent D) cationic
 
Answer & Explanation Answer: A) polar covalent

Explanation:
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5 1931
Q:

What is the percentage of oxygen in Al2(SO4)3?

A) 57.7% B) 56.1%
C) 53.1% D) 52.6%
 
Answer & Explanation Answer: B) 56.1%

Explanation:
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1 1931
Q:

Which characteristic is a property of molecular substances?

A) good heat conductivity B) high melting point
C) good heat conductivity D) low melting point
 
Answer & Explanation Answer: D) low melting point

Explanation:

The substances in which two or more atoms are attached together are called as molecular substances. 

 

Properties of molecular substances ::

 

1. Molecular substances are bonded with covalent bonds

2. Bad heat conductivity

3. Bad electrical conductivity

4. Have low melting points.

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2 1931
Q:

Time period of a seconds pendulum is

A) 2 seconds B) 4 seconds
C) 1 seconds D) 0 seconds
 
Answer & Explanation Answer: A) 2 seconds

Explanation:

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.

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4 1931