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Q:

What is the capital of Egypt?

A) San Jose B) Cairo
C) Moroni D) None
 
Answer & Explanation Answer: B) Cairo

Explanation:

Cairo is the capital of Egypt

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Filed Under: Country Capitals

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Q:

The "home page" of a website is....................

A) The first page B) The largest page
C) The most colorful page D) The last page
 
Answer & Explanation Answer: B) The largest page

Explanation:
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Filed Under: Computer

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Q:

Which of the following is a project to develop watersheds in India

A) DRDO B) CARE
C) AVARD D) NWDPRA
 
Answer & Explanation Answer: D) NWDPRA

Explanation:
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Filed Under: Indian Economy

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Q:

'Minamata' disease was caused by ?

A) Lead B) Mercury
C) Cadmium D) Zinc
 
Answer & Explanation Answer: B) Mercury

Explanation:
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Filed Under: Chemistry
Exam Prep: AIEEE , CAT
Job Role: Bank Clerk

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Q:

Oxidation Number of 'S' in H2SO4?

A) +6 B) +2
C) -6 D) -2
 
Answer & Explanation Answer: A) +6

Explanation:

In H2SO4,

Hydrogen has a charge of +2, with each hydrogen has +1.

Oxygen has  a charge of -8, with each oxugen has -2.

Total charge = (2 - 8) = -6

Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

 

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Filed Under: Chemistry
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Q:

Which of the following is true of a scientific theory?

A) It is only accepted after the person who came up with it has died. B) It is a method or device that applies scientific knowledge for some specific purpose.
C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope. D) It must demonstrate the effect of one variable by testing control groups and experimental groups.
 
Answer & Explanation Answer: C) It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.

Explanation:

A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. Scientific theories are not ever proved in the sense of being proved to be 100% correct.

 

Examples of some scientific theories are ::

Evolution, gravity, atomic theory, the germ theory of disease, relativity, quantum theory, electromagnetic theory, layered Earth theory, etc...

 

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Filed Under: General Science
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Q:

The Capital of Tanzania is 

A) Nairobi B) Lusaka
C) Kampala D) Dar- es- Salaam
 
Answer & Explanation Answer: D) Dar- es- Salaam

Explanation:
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Q:

What is dual-mode operation?

Answer

In order to protect the operating systems and the system programs from the malfunctioning programs the two mode operations were evolved


System mode


User mode

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Subject: Operating Systems

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