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Q:

A disaccharide is formed by the chemical bonding of

A) two monosaccharides B) two polysaccharides
C) one monosaccharide and one polysaccharide D) All the above
 
Answer & Explanation Answer: A) two monosaccharides

Explanation:

Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.

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Filed Under: Chemistry
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Q:

Plantain is

A) a tree B) an annual herb
C) a perennial herb D) a shrub
 
Answer & Explanation Answer: C) a perennial herb

Explanation:

Plantain plant is a herb, because it does not have an aerial stem - what appears as a stem is really the leaves with sheathing bases. As the piant lives for several years it is called perennial herb

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Filed Under: Biology

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Q:

How many hearts does an octopus have?

A) 9 B) 5
C) 3 D) 2
 
Answer & Explanation Answer: C) 3

Explanation:
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Filed Under: Animals and Birds

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Q:

The main cause of floods in the rivers is

A) Heavy snow fall at the mountain B) Earthquakes
C) Deforestation D) Construction of dams
 
Answer & Explanation Answer: A) Heavy snow fall at the mountain

Explanation:
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Filed Under: Indian Geography

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Q:

Which of the following would cause gene flow?

A) Individuals moving into population B) Genetic drift
C) Mutation D) Artificial selection
 
Answer & Explanation Answer: A) Individuals moving into population

Explanation:

Gene flow means migration of genes from one to another. This gene flow is caused by individuals moving into population.

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Filed Under: Biology
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Q:

From which direction does foul weather typically approach?

A) East B) North
C) West D) South
 
Answer & Explanation Answer: C) West

Explanation:

If the barometer rises, it indicates that good or fair weather is coming and if the falling barometer reading indicates that bad or foul weather is coming. Usually bad weather approaches from the west direction.

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Filed Under: General Science
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Q:

Who is the author of the book "The way of Knife: The CIA, A secret army and a war at the ends of the earth" ?

A) Mark Twain B) Irika John
C) Mario Pujo D) Mark Mazzetti
 
Answer & Explanation Answer: D) Mark Mazzetti

Explanation:
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Filed Under: Books and Authors
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Q:

In which year American Independence was acknowledged by England ?

A) 1782 B) 1783
C) 1784 D) 1785
 
Answer & Explanation Answer: B) 1783

Explanation:

American Independence was acknowledged by England in 1783 in the treaty of Paris and George Washington was elected the first President of USA.

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Filed Under: World History

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