Questions

Q:

Arrange the following ina proper sequence.

A. Mutation

B. Reproductive isolation

C. Natural selection

D. Evolution

 

A) D,C,B,A B) C,B,A,D
C) A,C,D,B D) A,B,C,D
 
Answer & Explanation Answer: D) A,B,C,D

Explanation:
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Filed Under: Biology
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Q:

Metals are generally ______.

I. Ductile

II. Malleable

III. Poor conductors of heat

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and II

Explanation:
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Filed Under: Chemistry
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Q:

Choose the most appropriate answer:

Todar Mal was associated with________ in Akbar’s durbar.

A) Music B) Literature
C) Finance D) Law Reforms
 
Answer & Explanation Answer: C) Finance

Explanation:

Raja Todar Mal was the Finance Minister of the Mughal empire during Akbar's reign.

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Filed Under: Indian History
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Q:

Find the work done (in J) when a charge of 20 C moves across a potential difference of 4 V.

 

 

A) 5 B) 40
C) 80 D) 10
 
Answer & Explanation Answer: C) 80

Explanation:
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Filed Under: Physics
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2 44910
Q:

Storage capacity of magnetic disk depends on

A) disk pack in disk surface B) tracks per inch of surface
C) bits per inch of tracks D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on 

1. tracks per inch of surface

2. bits per inch of tracks

3. disk pack in disk surface

 

It can be shown as ::

 

magnetic_disc1532069041.jpg image

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136 44903
Q:

Logical puzzle

There are three boxes in a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies. The first box says 'The Gold is not here'. The Second box says 'The Gold is not here'. The Third box says 'The Gold is in the Second box'. Which box has the Gold?

Answer

As the message contains one truth, the third says that the gold is in the second box, if it is to be true, then the first box message will also become true. So Gold cannot be in second and third boxes. Gold is in the first box.

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Subject: Logic Puzzles

490 44860
Q:

______________ among the following is not an operating system.

 

A) Mozilla Firefox B) Microsoft Windows
C) Linux D) Apple MacOS
 
Answer & Explanation Answer: A) Mozilla Firefox

Explanation:
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Filed Under: Computer
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7 44857
Q:

Which one of the following is a waterborne disease?

 

A) Tuberculosis B) Malaria
C) Cholera D) All the above
 
Answer & Explanation Answer: C) Cholera

Explanation:
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Filed Under: Biology
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