Questions

Q:

Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

A) of variable refractive index B) made up of slabs of different refractive indices
C) homogeneous and transparent D) inhomogeneous and transparent
 
Answer & Explanation Answer: C) homogeneous and transparent

Explanation:

In vacuum and in homogeneous, transparent media, such as air, water, and glass, light moves in a straight line. When light encounters a boundary between two different transparent media, some light is reflected and some moves from the first into the second medium.

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Filed Under: Physics
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Q:

What is 16 bit?

Answer

Anything larger and the computer would need to break the number into smaller pieces.


 


16-bit is a computer hardware device or software program capable of transferring 16 bits of data at a time.


Today, 16-bit hardware and software has been replaced by 32-bit and 64-bit alternatives, which give the computer more memory to work with; increasing overall performance.


 


For example, early computer processors (e.g., 8088 and 80286) were 16-bit processors, meaning they were capable of working with 16-bit binary numbers (decimal number up to 65,535).

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Q:

Chronic drought and food insecurity plague Sahel, which is already one of the poorest in the world moreover the climate and geography of the region _______ regional communities to relative isolation.

a) Alleviates

b) Relegates

c) Downgrades

d) Transgresses

A) a-b B) b-c
C) b-d D) c-d
 
Answer & Explanation Answer: B) b-c

Explanation:

The sentence talks about “drought and food security” which has pestered the region and in addition to that the climate and geography has worsened the matter and forced them to come to isolation. “Relegate and downgrade” are the two words which means to move down to a lower position arethe most suitable word to be filled in the blank. “alleviates” which means to make less severe, will not complete the sentence sensibly. “Transgress” which means “to misbehave or to break the law” which does not fit in the context whatsoever.

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Filed Under: English

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Q:

What was the city of Timbuktu best known for?

A) Trade B) Gold
C) Diamonds D) Tea
 
Answer & Explanation Answer: A) Trade

Explanation:

The great Sahara Desert created an opportunity for wealth by trading to peoples who live in and around the region. The city of Timbuktu was built as a result of this trade.

 

Hundreds of years ago, salt was a very valuable commodity. It was valued for its taste as well as its ability to preserve food. One of the most productive areas for producing salt was the Sahara Desert, and the city of Timbuktu was built to capitalize upon this trade.

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Filed Under: Indian Geography
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Q:

Gametes are produced by the process of

A) Mitosis B) Meiosis
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

A gametes are haploid cells as they have only one set of chromosomes. Meiosis is a process of cellular reproduction in which both male and female gametes are formed. During meiosis, the DNA is only replicated or copied one time.

Gametes_are_produced_by_the_process_of1560944987.png image

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Filed Under: Biology
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Q:

Which state declared best state for active participation in Swasth Bharat Yatra?

A) Karnataka B) Telangana
C) Tamilnadu D) Uttar Pradesh
 
Answer & Explanation Answer: C) Tamilnadu

Explanation:

Best state for active participation in Swasth Bharat Yatra is Tamilnadu.

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Filed Under: General Awareness
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

In the world today we make health an end in itself. We have forgotten that health really means to enable a person to do his work and do it well. A lot of modern medicine, and this includes many patients as well as many physicians, pay very little attention to health but very much attention to those who imagine they are ill. Our great concern with health is shown by the medical columns in newspapers, the health articles in popular magazines and the popularity of television programmes and all those books on medicine. We talk about health all the time. Yet for the most part the only result is more people with imaginary illness. A healthy man should not be wasting time talking about health : he should be using health for work.


Modern medicine is primarily concerned with

A) promotion of good health B) people suffering from imaginary illness
C) people suffering from real illness D) increased efficiency in work
 
Answer & Explanation Answer: B) people suffering from imaginary illness

Explanation:
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Filed Under: English
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Q:

Where was christianity founded?

A) Jerusalem B) Bethlehem
C) Palestine D) None of the above
 
Answer & Explanation Answer: A) Jerusalem

Explanation:

Christianity was founded by hesus Christ in Jerusalem, capital of Israel.

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Filed Under: Indian History
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