Questions

Q:

Which of the following causes damage to bridges, iron railings and all objects made of metals?

A) Reduction B) Rancidity
C) Acidity D) Corrosion
 
Answer & Explanation Answer: D) Corrosion

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Q:

Which is the form of market where there is lack of competition?

A) Monopoly B) Oligopoly
C) Perfect competition D) Marketisation
 
Answer & Explanation Answer: A) Monopoly

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Q:

The pH value increase from 7 to 14 represents a

A) decrease in H+ ion concentration B) decrease in OH- ion concentration
C) increase in OH- ion concentration D) increase in H+ ion concentration
 
Answer & Explanation Answer: C) increase in OH- ion concentration

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Q:

Which one of the following derives nutrition from plants as a parasite?

A) Malaria Parasite B) Lice
C) Bryophyllum D) Cuscuta
 
Answer & Explanation Answer: D) Cuscuta

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Filed Under: Biology
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Q:

During the day which process is the major driving force in the movement of water in the xylem?

A) Transpiration pull B) Evaporation
C) Suction D) Translocation
 
Answer & Explanation Answer: A) Transpiration pull

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Q:

Which of the following authority is elected on the basis of proportional representation in India?

A) Prime Minister B) President
C) Governor D) Lok Sabha Speaker
 
Answer & Explanation Answer: B) President

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Filed Under: Indian Politics
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Q:

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.

A) 2g B) g
C) g/2 D) 4g
 
Answer & Explanation Answer: A) 2g

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Q:

AC is converted into DC by a

A) Condenser B) Rectifier
C) Amplifier D) Filter
 
Answer & Explanation Answer: B) Rectifier

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Filed Under: Physics
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