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Q:

caffeine is also a what?

A) Psychoactive B) Barbiturate
C) Narcotic D) Opioid
 
Answer & Explanation Answer: A) Psychoactive

Explanation:

Caffeine is also a psychoactive drug which alters the mood and conscious in our behaviour. It is widely consumed as a psychoactive drug.

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Filed Under: General Science
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Q:

Which of the following is not a polymer?

A) DNA B) Glucose
C) Starch D) Cellulose
 
Answer & Explanation Answer: B) Glucose

Explanation:

Since A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Glucose is not a polymer.

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Filed Under: General Science
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Q:

The United Nations declared 1990's-2000 as the International Decade for

A) Water for Life Decade B) Bone and Joint Decade
C) Second International Decade for the Eradication of colonialism D) International Decade for Natural Disaster Rreduction
 
Answer & Explanation Answer: D) International Decade for Natural Disaster Rreduction

Explanation:
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Filed Under: Important Days and Years

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Q:

Who has been elected chair of the International Olympic Committee's ethics commission 2017 ?

A) Ban Ki-moon B) Peter Thomso
C) Antonio Guterres D) Amina J. Mohammed
 
Answer & Explanation Answer: A) Ban Ki-moon

Explanation:
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Filed Under: Sports

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Q:

In which of the following activities silicon carbide is used

A) Disinfecting water of ponds B) Making casts for statues
C) Making cement and glass D) Cutting very hard substances
 
Answer & Explanation Answer: D) Cutting very hard substances

Explanation:

In_which_of_the_following_activities_silicon_carbide_is_used1553082795.jpg image

Silicon carbide is used in Cutting very hard substances.

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Filed Under: Chemistry
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Q:

Which formula represents a molecular compound?

A) Ar B) NaI
C) N2O4 D) All of the above
 
Answer & Explanation Answer: C) N2O4

Explanation:

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

 

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.

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Filed Under: Chemistry
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Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

SOOTHE

A)  QUENCH B) MITIGATE
C)  HEAL D) AGITATE
 
Answer & Explanation Answer: D) AGITATE

Explanation:
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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

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Q:

The no of entities participating in a relation is called

A) Relation B) Degree of relationship
C) Recursive relationship D) None of the above
 
Answer & Explanation Answer: B) Degree of relationship

Explanation:

The no of entities participating in relation is called Degree of relationship

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Filed Under: Database
Job Role: Database Administration

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