General Knowledge Questions

Q:

The element common to all acids is

A) Hydrogen B) Oxygen
C) carbon D) Sulphur
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Hydrogen is the common element in all acids.

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Q:

A convex mirror is used to form an image of a real object. The image

A) is diminished in size B) is erect
C) always lies between the pole and the focus D) all of the above
 
Answer & Explanation Answer: D) all of the above

Explanation:
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Q:

Which city's name means 'The Town of Boiled Beans' ?

A) Boston B) Bosnia
C) Bangalore D) Bareilly
 
Answer & Explanation Answer: A) Boston

Explanation:
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Q:

Which one of the following groups have quantities that do not have the same dimensions

A) pressure, stress B) velocity, speed
C) force, impulse D) work, energy
 
Answer & Explanation Answer: C) force, impulse

Explanation:
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Q:

What is the time taken by the Earth to complete one rotation on its imaginary axis

A) 24 hr 37 min 23 sec B) 24 hr
C) 23 hr 56 min 4 sec D) 23 hr 52 min
 
Answer & Explanation Answer: C) 23 hr 56 min 4 sec

Explanation:
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Q:

The chosen date for the observance of the Earth Hour 2017 is ?

A) 25th March B) 26th March
C) 27th March D) 28th March
 
Answer & Explanation Answer: A) 25th March

Explanation:

Earth Hour is a people's movement inspiring individuals from more than 7000 cities across the globe to take a stand against climate change, making it the largest voluntary movement ever witnessed in history.

On 25 March 2017, Switch Off and Switch Onto Solar Energy

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Q:

What prevents food from entering the windpipe?

A) Epiglottis B) Pharynx
C) Trachea D) Larynx
 
Answer & Explanation Answer: A) Epiglottis

Explanation:

Epiglottis is that prevents food from entering the windpipe. 

It is a cartilageous flap that flaps opens and closes when swallowing. When you swallow, the epiglottis flattens backward to cover the entrance to your larynx and prevent food from entering the lungs and windpipe. The epiglottis returns to its usual position after swallowing.

 

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Q:

Most bacteria reproduce by

A) budding B) binary fission
C) fragmentation D) mitosis
 
Answer & Explanation Answer: B) binary fission

Explanation:

Most bacteria is reproduce by binary fission.

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