Questions

Q:

Which energy source generates radioactive waste?

A) Nuclear power B) Thermal power
C) Hydel power D) All of the above
 
Answer & Explanation Answer: A) Nuclear power

Explanation:

which_energy_source_generates_radioactive_waste1543400097.jpg image

Nuclear power energy source generates radioactive waste.

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Q:

Which microscope is often used to view metal surfaces?

A) Optical microscopes B) Scanning tunneling microscopes
C) Electron microscopes D) None of the above
 
Answer & Explanation Answer: B) Scanning tunneling microscopes

Explanation:

Microscopes are of three types. They are :

 

1) Optical microscopes

 

2) Electron microscopes

 

3) Scanning tunneling microscopes

 

 Which_microscope_is_often_used_to_view_metal_surfaces1538720175.png image

 

Scanning tunneling microscopes are the microscopes that are used to view metal surfaces.

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Q:

which city has the Metro with Most stations?

Answer

New York City Subway has 468 stations (277 of which are under ground) in a network covering 370 km (230 miles)

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Q:

The animals in which the body cavity is absent are known as __________.

A) Coelomates B) Wild
C) Pseudocoelomates D) Acoelomates
 
Answer & Explanation Answer: D) Acoelomates

Explanation:
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Q:

Which of the following is an application protocol?

A) HTTP B) TCP
C) IP D)  UDP
 
Answer & Explanation Answer: A) HTTP

Explanation:
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Q:

Who is the current Union Minister of Railways in India 2019?

A) Amit Shah B) Arun Jaitley
C) Piyush Goyal D) Nitin Gadkari
 
Answer & Explanation Answer: C) Piyush Goyal

Explanation:

The current Union Minister of Railways in India 2019 is Piyush Goyal. He is also holding the Ministry of Finance for temporary.

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Q:

Which of the following is an example of secondary succession?

A) sedimentation on the bottom of drained lake B) landscaping at a golf course
C) reforestation of the cedar forests of the northwest D) scrub grasses growing on a newly exposed dune
 
Answer & Explanation Answer: C) reforestation of the cedar forests of the northwest

Explanation:

Secondary succession means in an ecosystem renewal of itself after all or a portion has been destroyed.

 

After a forest fire, the whole forest had destroyed but after that again renewal of that forest is also an example of secondary succession.

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Q:

The thyroid hormone that regulates carbohydrate metabolism is

A) Parathyroid B) Thyroxin
C) Parathormone D) Estrogen
 
Answer & Explanation Answer: B) Thyroxin

Explanation:

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.

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