Questions

Q:

For How many years have the dinosaurs been extinct?

A) About 25 million years B) About 65 million years
C) About 100 million years D) About 135 million years
 
Answer & Explanation Answer: B) About 65 million years

Explanation:
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Filed Under: Animals and Birds

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Q:

What is the defining right of a representative democracy?

A) the right to vote B) the right to freedom of speech
C) the right to petition the government D) the right to freedom of religion
 
Answer & Explanation Answer: A) the right to vote

Explanation:

The defining right of a representative democracy is the ability to vote for representatives to make decisions on their behalf.

 

 What_is_the_defining_right_of_a_representative_democracy1557485298.jpg image

 

In democratic government, elections are held regularly, in which voters vote for someone who will serve in the levels of local, state, and federal government.

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Filed Under: Indian Politics
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Q:

Amino acids can be distinguished from one another by

A) type of bond between the R group and the rest of the molecule B) the number of R groups found on the amino acid molecules
C) the chemical properties of their R groups D) the chemical properties of the amino and carboxyl groups
 
Answer & Explanation Answer: C) the chemical properties of their R groups

Explanation:

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

 

Depending on the nature of the side chain groups, three classes of aminoacids can e distinguished:

1. Amino acids with H ond donor and acceptor groups.

Histidine, lysine, aspartic acid, threonine,...

2. Amino acids with donor grups only.

Arginine, tryptophan and cysteine.

3. Amino acids with acceptor groups only.

Asparagine and glutamine.

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Filed Under: Biology
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Q:

The bonds in BaO are best described as

A) covalent B) ionic
C) polar D) non polar
 
Answer & Explanation Answer: B) ionic

Explanation:

In the bond formation of barium with oxygen, the valency electrons from the barium transferred to the oxygen and forms an ionic bond.

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Filed Under: Chemistry
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Q:

Which describes the Sahara?

A) a desert that covers the northern one third of Africa B) tropical jungle with a variety of plants and animals
C) the terrain between desert and savanna D) high plains on which many African animals live
 
Answer & Explanation Answer: A) a desert that covers the northern one third of Africa

Explanation:

The Sahara is the biggest desert in the world.

 

Which_describes_the_Sahara1553670266.jpg image

 

It occupies the northern one third of the African continent.

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Filed Under: General Awareness
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Q:

Water is more dense than cooking oil.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes, the given statement that water is more dense than cooking oil is TRUE as water more denser than oil it is sinked when it is poured in oil.

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Subject: Physics
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Q:

Emotional intelligence is a critical component of

A) analytical intelligence B) creativity
C) convergent thinking D) social intelligence
 
Answer & Explanation Answer: D) social intelligence

Explanation:

Emotional intelligence is a critical component of social intelligence.

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Filed Under: General Science
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Q:

From April 1, 2017 Interest rates on small savings deposits including PPF cut by

A) 0.5% B) 0.4%
C) 0.2% D) 0.1%
 
Answer & Explanation Answer: D) 0.1%

Explanation:
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