Questions

Q:

Which of the following equals one atomic mass unit?

A) one-twelfth the mass of one carbon-12 atom B) the mass of one electron
C) one-sixth the mass of one helium-4 atom D) the mass of one carbon-12 atom
 
Answer & Explanation Answer: A) one-twelfth the mass of one carbon-12 atom

Explanation:

One atomic mass unit (AMU) is equal to the one-twelfth the mass of one carbon-12 atom.

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Q:

The passage of an electric current through a conducting liquid causes ___________.

A) Galvanisation B) Evaporation
C) Physical Reaction D) Chemical Reaction
 
Answer & Explanation Answer: D) Chemical Reaction

Explanation:
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Q:

The fish that can taste with its whole body?

A) Tropical cockroach B) Arctic tern
C) Catfish D) Koala
 
Answer & Explanation Answer: C) Catfish

Explanation:
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Q:

What document is the supreme law of the land?

A) The constitution B) The senate
C) The bill D) All of the above
 
Answer & Explanation Answer: A) The constitution

Explanation:
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Q:

An electric fuse is based on

A) the chemical effect of the current B) the magnetic effect of the current
C) the heating effect of the current D) All of the above
 
Answer & Explanation Answer: C) the heating effect of the current

Explanation:

An electric fuse is based on the heating effect of the current.

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Q:

Homology is evidence of

A) Common ancestry B) Divergent evolution
C) Punctuated evolution D) Convergent evolution
 
Answer & Explanation Answer: A) Common ancestry

Explanation:

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor. 

 

Hence, Homology is evidence of Common ancestry.

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Q:

Ctrl+F in MS Word for

A) Re do B) to find the word
C) Select all D) Center text
 
Answer & Explanation Answer: B) to find the word

Explanation:

Ctrl + F is a shorcut keyword and it is used for searching the word you want in the large document in the M.S. Word.

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Q:

A kilowatt-hour is unit of

A) Power B) Electric charge
C) Energy D) Electric current
 
Answer & Explanation Answer: C) Energy

Explanation:

The kilowatt hour (kW⋅h) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

One watt is equal to 1 J/s. One kilowatt hour is 3.6 megajoules.

 

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