General Knowledge Questions

Q:

The fundamental rights of Indian citizens can be suspended by the

A) Supreme Court of India B) Union Parliament
C) President of India D) None of these
 
Answer & Explanation Answer: C) President of India

Explanation:
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Q:

The fastest moving insect in the world is the

Answer

Tropical cockroach

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Q:

The oxidation number of Cr in K2Cr2O7 is

A) +6 B) -5
C) +3 D) -4
 
Answer & Explanation Answer: A) +6

Explanation:

We will rewrite the formula as an equation.

2K + 2Cr + 7O = 0

The zero comes from there being no overall charge on the compound.

Each oxidation number is represented by the element's symbol.

Since this compound is not a peroxide or superoxide, the oxidation value for O is -2

K being in group 1 has a +1 charge and therefore has an oxidation number of K is +1

Now, by putting known values in we have:

2(+1) + 2(Cr) + 7(-2) = 0

2 + 2Cr -14 = 0

2Cr = +12

Cr = +6.

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Q:

Plants having body that is differentiated into roots, stems and leaves and have specialized tissue for the conduction of water and other substances, fall in which group?

 

A) Bryophyta B) Thallophyta
C) Pteridophyta D) All option are correct
 
Answer & Explanation Answer: C) Pteridophyta

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Q:

Seawater (i.e. saltwater) freezes at: 

A) at a slightly higher temperature than fresh water B) at a slightly lower temperature than fresh water.
C) the same temperature as fresh water. D) seawater does not freeze.
 
Answer & Explanation Answer: B) at a slightly lower temperature than fresh water.

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Q:

Permanent hardness of water is due to the presence of  ? 

A) Calcium sulphate B) Calcium bicarbonate
C) Sodium bicarbonate D) Magnesium bicarbonate
 
Answer & Explanation Answer: A) Calcium sulphate

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Q:

Which of the following is a radioactive element

A) Sulphur B) Polonium
C) Tellurium D) Selenium
 
Answer & Explanation Answer: B) Polonium

Explanation:
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Q:

Which of the following crop is known as Green Gold?

A) Coffee B) Neem
C) Tea D) Rice
 
Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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