Questions

Q:

Which of the following statements is true?

The velocity of sound is :

 

A) less in summer than in winter B) same in winter and summer
C) independent of seasons D) more in summer than in winter
 
Answer & Explanation Answer: D) more in summer than in winter

Explanation:
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Q:

Which of the following is not a hormone found in animals?

 

 

A) Insulin B) Auxins
C) Thyroxin D) Adrenaline
 
Answer & Explanation Answer: B) Auxins

Explanation:
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Q:

India’s first undersea tunnel is being constructed in which city?

 

A) Mumbai B) Cochin
C) Kolkata D) Hyderabad
 
Answer & Explanation Answer: A) Mumbai

Explanation:
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Q:

In which country 'The SolarWinds hack', a cyber attack was recently discovered?

 

A) China B) Russia
C) US D) Japan
 
Answer & Explanation Answer: C) US

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Q:

Isotopes of an element have ______.

 

A) Same physical properties B) Different chemical properties
C) Different number of neutrons D) Different atomic number
 
Answer & Explanation Answer: C) Different number of neutrons

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1 70915
Q:

Sound waves can not travel through a

 

A) copper wire placed in air B) silver slab placed in air
C) glass prism placed in water D) wooden hollow pipe placed in vacuum
 
Answer & Explanation Answer: D) wooden hollow pipe placed in vacuum

Explanation:

Sound is a kind of energy created when something vibrates. When this vibration reaches an ear, it is translated into what we recognize as a sound. Sound vibration must travel through matter. Therefore, it can travel through air and water but not through vacuum.

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Q:

Brahmaputra Valley Fertilizers Corporation Limited (BVFCL) located?

 

A) Jharkhand B) Arunachal Pradesh
C) Odisha D) Assam
 
Answer & Explanation Answer: D) Assam

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Q:

Which type of fault is under compression?

 

 

A) shear B) normal
C) reverse D) strike-slip
 
Answer & Explanation Answer: C) reverse

Explanation:

Reverse faults occur in areas undergoing compression. In a reverse fault, the block above the fault moves up relative to the block below the fault.

 

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