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Q:

Ecology deals with the study of

A) Environment B) Birds
C) Organisms and their Environment D) Living beings
 
Answer & Explanation Answer: C) Organisms and their Environment

Explanation:

ecology_deals_with_the_study_of1553078201.png image

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

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Filed Under: General Science
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Q:

Which of the following is the world's most poisonous snake called Hydrophis ?

A) Adder B) Boa
C) Cobra D) Sea Snake
 
Answer & Explanation Answer: D) Sea Snake

Explanation:
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Filed Under: Animals and Birds
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Q:

Gases used in normal welding?

A) Oxygen and Acetylene B) Acetylene and Nitrogen
C) Oxygen, Hydrogen and Acetylene D) Oxygen and Hydrogen
 
Answer & Explanation Answer: A) Oxygen and Acetylene

Explanation:

Normal Gas welding use oxygen-acetylene.

 

Depending on what materials you are welding, there are some more options that might be used.

For example - MIG/TIG use Argon, MAG use an argon-something mix.

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Filed Under: Chemistry
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Q:

Seagate is manufacturer of

A) harddisk B) earth moving equipment
C) picture tube D) banking software
 
Answer & Explanation Answer: A) harddisk

Explanation:
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Filed Under: Business Awareness

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Q:

Which of the statements given below are correct?
 
A) Indian Grandmaster won the 2017 Chess World Cup.
B) In 2017, Roberto Firmino played for the Premier League team Leicester City
C) In 2018 IPL auctions, Rajasthan Royals retained MS Dhoni.

A) Only A B) Only B
C) Only C D) None
 
Answer & Explanation Answer: D) None

Explanation:
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Filed Under: Sports
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Q:

Antibiotics are mostly obtained from

A) Viruses B) Fungi
C) Bacteria D) Angiosperms
 
Answer & Explanation Answer: B) Fungi

Explanation:
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Filed Under: General Science
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Q:

A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity  water rises in the tube. The height of water rise in the tube can be increased by 

A) decreasing the radius of the capillary tube B) increasing the radius of the capillary tube
C) increasing the height of water in the vessel D) None of these
 
Answer & Explanation Answer: A) decreasing the radius of the capillary tube

Explanation:

The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to (balances) the upward force due to surface tension. So it is clear that if the the bore (radius) to the tube is decreased, the height of the water column in it must be greater.  So, (a) is correct.

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Filed Under: Physics

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Q:

What Room can Nobody Enter?

A) War room B) Spare room
C) Escape room D) Mushroom
 
Answer & Explanation Answer: D) Mushroom

Explanation:

The Room can Nobody Enter is a Mushroom.

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Filed Under: Logic Puzzles
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