Questions

Q:

A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because 

A) the floor and carpet are at different temperatures B) the stone conveys the heat away from the feet more rapidly than the carpet
C) the carpet is a better conductor of heat than the stone D) the human body maintains a constant temperature
 
Answer & Explanation Answer: B) the stone conveys the heat away from the feet more rapidly than the carpet

Explanation:

Both the floor and the carpet have the same temperature as both are exposed to the same atmosphere. But the former conducts away the heat from the feet better than the carpet as the latter is a non-conductor. So the feet losing more heat, the floor appears cooler to the feet.

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Filed Under: Physics

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Q:

Which statement about interstate compacts is true?

A) States cannot form compacts with foreign states. B) They may involve no more than two states.
C) Congress generally must approve interstate compacts. D) Most are between the national government and foreign states.
 
Answer & Explanation Answer: C) Congress generally must approve interstate compacts.

Explanation:

Agreements made between two or more states are known as Interstate compacts. These may involve several states.

 

* Congress generally must approve interstate compacts.

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Filed Under: Indian Politics
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Q:

The first effective vaccine against polio was prepared by ?

A) Robert Edwards B) James Simpson
C) H Gibbon D) Jonas E Salk
 
Answer & Explanation Answer: D) Jonas E Salk

Explanation:
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Filed Under: Inventions
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Q:

Which of the following is tropical grassland?

A) Savannah B) Pampas
C) Prairies D) Taiga
 
Answer & Explanation Answer: A) Savannah

Explanation:

Tropical grasslands, or savannas, are also the homes of primates in Africa and Asia; no savanna-living primates exist in South America. Tropical grasslands comprise a mixture of trees and grasses, the proportion of trees to grass varying directly with the rainfall.

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Filed Under: Indian Geography
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Q:

Which observation proves that a cell is a eukaryote?

A) It contains DNA B) It contains ribosomes
C) It has a cell membrane D) It has DNA inside a nucleus
 
Answer & Explanation Answer: D) It has DNA inside a nucleus

Explanation:

Eukaryotic cells all have a nucleus. Eukaryotes are organisms that are multicellular, although there are some examples of single cellular eukaryotes. So eukaryotic cells can be either cell with a nucleus or a eukaryotic organism's cell.

The most important feature to judge whether it has nucleus membrane.

And for other choices, they are the common features of eukaryote and prokaryote.

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Filed Under: Biology
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Q:

Missing letters puzzle

Answer

Answer:  K


Explanation:  In each row, the product of the left and right hand numbers equals the sum of the numerical values of the three letters.

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Q:

Point out which from the following is NOT a right enumerated in the Constitution of India but has been articulated by the Supreme Court to be a Fundamental Right

A) Right to life B) Equality of opportunity in matters of public employment
C) Protection of personal liberty D) Right to permanent housing
 
Answer & Explanation Answer: D) Right to permanent housing

Explanation:
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Filed Under: Indian Politics

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Q:

Jaduguda mines are famous for

A) mica deposits B) uranium deposits
C) gold deposits D) iron ore
 
Answer & Explanation Answer: B) uranium deposits

Explanation:

The Jaduguda Mine also known as Jadugoda or Jadugora is a Uranium mine in Jaduguda village in the Purbi Singhbhum district of the Indian state of Jharkhand.

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Filed Under: Indian Geography
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