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Q:

The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

A) Protein and amino acids B) Lipids
C) Carbohydrates D) Amino acids
 
Answer & Explanation Answer: A) Protein and amino acids

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Filed Under: Biology

Q:

Gold and silver are extracted from their respective ores by _______

A) Smelting B) Roasting
C) Leaching D) Hydro metallurgy
 
Answer & Explanation Answer: D) Hydro metallurgy

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Filed Under: Chemistry

Q:

"If a system A is in thermal equilibrium with B and B is in thermal equilibrium with C, then A and C are in equilibrium with each other". This is a statement of 

A) Cyclic rute B) Zeroth law of thermodynamics
C) First law of thermodynamics D) Second law of thermodynamics
 
Answer & Explanation Answer: B) Zeroth law of thermodynamics

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Filed Under: Chemistry

Q:

The difference between a nuclear reactor and atomic bomb is that ___________

A) no chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction B) the chain reaction in nuclear reactor is controlled
C) the chain reaction in nuclear reactor is not controlled D) no-chain reaction takes place in atomic bomb while it takes place in nuclear reactor
 
Answer & Explanation Answer: B) the chain reaction in nuclear reactor is controlled

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Filed Under: Chemistry

Q:

A mixture of sand and naphthalene can be seperated by __________

A) Fractional distillation B) Sublimation
C) Chromatography D) Any of them
 
Answer & Explanation Answer: B) Sublimation

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Filed Under: Chemistry

Q:

In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is 

A) decreased by 2% B) decreased by 4%
C) increased by 2% D) increased by 4%
 
Answer & Explanation Answer: B) decreased by 4%

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Filed Under: Physics

Q:

Two bodies A and B are of same mass and same amount of heat is given to both of them. If the temperature of A increases more than that of B because of heat addition, then

 

A) the specific heat capacity of A is more than that of B B) the specific heat capacity of A is less than that of B
C) both A and B have the same specific heat capacity but A has greater thermal conductivity D) both A and B the same specific heat capacity but B has greater thermal conductivity
 
Answer & Explanation Answer: B) the specific heat capacity of A is less than that of B

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Filed Under: Physics

Q:

Asian Hotels Ltd owns and operates world's one of the leading hotel brands in India. Identify the brand.

A) Le Meridien B) Hyatt Regency
C) Hilton D) Welcome
 
Answer & Explanation Answer: B) Hyatt Regency

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Filed Under: Business Awareness