Questions

Q:

The  optical  phenomenon  that  is  primarily responsible  for  the  observation  of  rainbow on a rainy day is 

A) diffraction B) interference
C) dispersion D) reflection
 
Answer & Explanation Answer: C) dispersion

Explanation:

A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by dispersion of sunlight by tiny water droplets, present in the atmosphere. A rainbow is always formed in a direction opposite to that of the Sun. The water droplets act like small prisms. They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrops.

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Filed Under: Physics
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Q:

Nematodes and arthropods both

A) are suspension feeders B) have ciliated larvae
C) develop an anus from the blastopore (pore) formed in the gastrula stage D) grow by shedding their exoskeleton
 
Answer & Explanation Answer: D) grow by shedding their exoskeleton

Explanation:
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Filed Under: Biology
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Q:

Microeconomics is the study of

A) Decisions of individual firms B) Decisions of individual households
C) Decisions of individual consumers D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Microeconomics is the branch or subset of economics that deals with the study of Decisions of individual firms, households and consumers.

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Filed Under: Indian Economy
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Q:

The study of economics is primarily concerned with

A) choices that are made in seeking to use scarce resources efficiently B) keeping private businesses from losing money
C) demonstrating that capitalistic economies are superior to socialistic economies D) None of the above
 
Answer & Explanation Answer: A) choices that are made in seeking to use scarce resources efficiently

Explanation:
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Filed Under: Indian Economy
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Q:

Select the word with the correct spelling.

A) missible B) saosages
C) emullator D) abdicate
 
Answer & Explanation Answer: D) abdicate

Explanation:
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Filed Under: English
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Q:

In the UN how many territories were placed under the trusteeship system

A) 11 B) 12
C) 13 D) 14
 
Answer & Explanation Answer: A) 11

Explanation:
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Filed Under: World Organisations

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Q:

Why does a lower Cost Per Acquisition (CPA) not indicate a higher profit?

Answer

A lower CPA may be accompanied by lower sales volume, reducing overall profit.

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Q:

Who has re-appointed as chairman of the ICC Cricket Committee?

A) Anil Kumble B) Saurav Ganguly
C) Sunil Gavaskar D) Rahul Dravid
 
Answer & Explanation Answer: A) Anil Kumble

Explanation:
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Filed Under: Sports
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