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Q:

Which best describes the structure of a DNA molecule?

A) A double helix B) A strand of nucleic acids
C) A single strand of amino acids D) A sugar ring
 
Answer & Explanation Answer: A) A double helix

Explanation:

DNA is not a single stranded and does not have amino acids. Hence options, b & C are eiminated. Dna is a double helix structure containing nucleobase—either cytosine (C), guanine (G), adenine (A), or thymine (T)—as well as a monosaccharide sugar called deoxyribose and a phosphate group. 

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Filed Under: Biology
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Q:

which statement is true of the classical orchestra?

A) uses violin B) uses flute
C) uses clarinet D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The classical orchestra uses violin, flute, clarinet, cello, piccolo, Bass,...

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Filed Under: Indian Culture
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Q:

The Berlin conference in 1884 was significant because it

A) colonized Africa B) colonized Germany
C) colonized Portugese D) None of the above
 
Answer & Explanation Answer: A) colonized Africa

Explanation:

The Berlin conference in 1884 was significant because it created rules on how European nations want to colonize Africa.

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Filed Under: World History
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Q:

The law of conservation of mass states that mass cannot be changed overtime.

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

Explanation:

The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.


 


Hence, the given statement is true.

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Subject: Physics
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Q:

What property of matter is momentum related to?

A) mass B) velocity
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

At any given speed, momentum is directly proportional to mass of an object.

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Filed Under: Physics
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Q:

Generally speaking, novels have

A) multiple settings B) limited characters
C) no resolutions D) single themes
 
Answer & Explanation Answer: A) multiple settings

Explanation:
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Filed Under: English
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Q:

An ecosystem consists of

A) all the plants and animals of an area B) producers, consumers, and decomposers in a particular locality
C) a living community and its environment D) carnivores and herbivores of an area
 
Answer & Explanation Answer: C) a living community and its environment

Explanation:

A living community and its environment is what an ecosystem is.

An_ecosystem_consists_of1535781515.jpg image

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Filed Under: General Science
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Q:

Plane is to locomotive as pilot is to

A) flight B) helicopter
C) engineer D) None of the above
 
Answer & Explanation Answer: C) engineer

Explanation:

Plane and locomotive are synonyms to each other, Similarly, pilot and flight engineer are synonyms to each other. 

 

 

 

Hence, plane is to locomotive as pilot is to engineer.

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Filed Under: Analogy
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