Questions

Q:

Which country has launched world’s largest human genome research project to document genetic makeup of one lakh people?

A) Japan B) South Africa
C) China D) India
 
Answer & Explanation Answer: C) China

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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Q:

With reference to gravity, what is G called?

A) Gravitational constant B) Gravitational attraction
C) Gravitational force D) Acceleration due to gravity
 
Answer & Explanation Answer: A) Gravitational constant

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Q:

In the following list of devices which device is used in network layer?

A) Repeaters B) Router
C) Application Gateway D) Switch
 
Answer & Explanation Answer: B) Router

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Q:

Which of the following does computing in a personal computer?

A) CPU B) Motherboard
C) RAM D) BIOS
 
Answer & Explanation Answer: A) CPU

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Q:

Rio Summit is associated with

A) Convention on Biological Diversity B) Green house gases
C) Ozone depletion D) Wet lands
 
Answer & Explanation Answer: A) Convention on Biological Diversity

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Q:

The _________ balance is equal to capital flows from the rest of the world, minus capital flows to the rest of the world.

A) Current Account B) Savings Account
C) Capital Account D) Asset Account
 
Answer & Explanation Answer: C) Capital Account

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Q:

Who founded twitter?

A) Mark Zuckerberg B) Tim Cook
C) Noah Ark D) Evan Williams
 
Answer & Explanation Answer: D) Evan Williams

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