Questions

Q:

To the economist, total cost includes

A) neither implicit nor explicit costs. B) implicit, but not explicit, costs.
C) explicit, but not implicit, cost. D) explicit and implicit costs.
 
Answer & Explanation Answer: D) explicit and implicit costs.

Explanation:
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Filed Under: Indian Economy
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Q:

Improve the bracketed part of the sentence.
He jumped off the train while it (had been running).

A) has been running B) ran
C) was running D) No improvement
 
Answer & Explanation Answer: C) was running

Explanation:
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Filed Under: English
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Q:

Which of the following is an example of secondary succession?

A) sedimentation on the bottom of drained lake B) landscaping at a golf course
C) reforestation of the cedar forests of the northwest D) scrub grasses growing on a newly exposed dune
 
Answer & Explanation Answer: C) reforestation of the cedar forests of the northwest

Explanation:

Secondary succession means in an ecosystem renewal of itself after all or a portion has been destroyed.

 

After a forest fire, the whole forest had destroyed but after that again renewal of that forest is also an example of secondary succession.

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Filed Under: General Science
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Q:

The mass number of an isotope of an element is 298. If its nucleus has 189 neutrons, what is its atomic number?

A) 298 B) 189
C) 109 D) 487
 
Answer & Explanation Answer: C) 109

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Filed Under: Chemistry
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Q:

Amazon Rainforest Forests are located in which continent?

A) South America B) Australia
C) North America D) Antarctica
 
Answer & Explanation Answer: A) South America

Explanation:

Amazon Rainforest Forests are located in South America.

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Filed Under: World Geography
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Q:

The American cotton textile industry moved from new England to the Southern States because:

A) The latter have a more humid climate B) New England diversified its manufacturing industries
C) The Population growth in the south provided a major market D) The south offered lower coast of prodution
 
Answer & Explanation Answer: D) The south offered lower coast of prodution

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Q:

Which of these best describes genetic drift?

A) Random fluctuations in the gene frequencies within a population Eliminate B) The combining of alleles to create more genetic variations within a population
C) The movement of alleles between population D) A planned method to reduce the number of inferior genes in a population
 
Answer & Explanation Answer: A) Random fluctuations in the gene frequencies within a population Eliminate

Explanation:

Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.

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Filed Under: Biology
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Q:

Who wrote the book "Ignited Minds"?

A) Vikram Seth B) APJ Abdul Kalam
C) Arundhati Roy D) Manmohan Singh
 
Answer & Explanation Answer: B) APJ Abdul Kalam

Explanation:
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Filed Under: Indian Politics
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