Questions

Q:

Gases in the atmosphere and their percentages?

Answer

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases.


Earth's atmosphere is composed of many gases. Their percentages by volume is given by::


 
78% Nitrogen,


21% Oxygen,


0.9% Argon, and


0.03% Carbon dioxide 


And very small percentages of other elements.


 

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Q:

The "Operation Olympics" commences in

A) Karnataka B) Kerala
C) Jharkand D) Odisha
 
Answer & Explanation Answer: B) Kerala

Explanation:
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: The recent reduction in interest rates in the US and the injection of liquidity have resulted in investors seeking new avenues such as commodity markets, in view
of the turbulence in financial markets and the low returns in treasuries.
Q: The relatively easy liquidity and low interest rates, by themselves, make holding of inventories attractive and thus induce volatility in commodity markets.
R: The financialisation of commodity trade and current extraordinary conditions in global financial markets could have influenced the spurt in prices.
S: The weakening of the US dollar is also advanced as a reason for the recent volatility in commodity markets, including food items.

A) PRQS B) SPQR
C) QSPR D) RPQS
 
Answer & Explanation Answer: D) RPQS

Explanation:
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Q:

Select the antonym of
to hew

A) to prune B) to chop
C) to agglutinate D) to cleave
 
Answer & Explanation Answer: C) to agglutinate

Explanation:
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Q:

Which one of the following fishing banks is located off the coast of the United Kingdom?

A) Great Fisher Bank B) Grand Banks
C) Dogger Bank D) Reed Bank
 
Answer & Explanation Answer: C) Dogger Bank

Explanation:

Dogger Bank (Dutch: Doggersbank, German: Doggerbank, Danish: Doggerbanke) is a large sandbank.

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Q:

Arrange the following compounds in order of increasing acidity?

A) o-cresol < phenol < o-nitrophtenol B) phenol < o-nitrophtenol < o-cresol
C) o-nitrophtenol < o-cresol < phenol D) None of the above
 
Answer & Explanation Answer: A) o-cresol < phenol < o-nitrophtenol

Explanation:
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Q:

The president can dissolve the Lok Sabha on

A) advice of the prime minister B) recommendation of Lok Sabha
C) recommendation of the Rajya Sabha D) advice of the chief justice of India
 
Answer & Explanation Answer: A) advice of the prime minister

Explanation:
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Q:

Human gametes are produced by

A) Mitosis B) Meiosis
C) Replication D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

In humans all reproduction is sexual. It involves joining together haploid gamete cells from each parent with half the normal number of chromosomes to make a new cell containing both parents' genetic material. This is a diploid zygote. The cells from each parent that combine to form the zygote are called gametes.

 

Meiosis produces haploid gametes from a diploid parental cell.

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