Questions

Q:

An Oxe-bow lake is a ______

A) lake formed behind an off-shore bar B) lake occupying a volcanic crater
C) lake formed due to cut off meander D) lake occupying a hollow scooped by a glaqcier
 
Answer & Explanation Answer: C) lake formed due to cut off meander

Explanation:
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Filed Under: World Geography

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Q:

The 2014 World Car of the Year is ________

Answer

Audi A3

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Q:

Is air homogeneous or heterogeneous?

A) homogeneous B) heterogeneous
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) homogeneous

Explanation:

A Mixture is a material made up of two or more different substances which are mixed.

 

Mixtures can be either homogeneous or heterogeneous.

 

* A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

* A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present.

 

Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

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Q:

Who Invented Traffic Signal ?

A) Lewis Edson Waterman B) Levi Strauss
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: D) Garrett Augustus Morgan

Explanation:
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Filed Under: Inventions

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Q:

Name the person popularly Known as Gurudv

A) Narayana guru B) Tagore
C) Dr.S.Radhakrishnan D) Ramakrishna Paramahamsa
 
Answer & Explanation Answer: B) Tagore

Explanation:
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Filed Under: Famous Personalities

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Q:

The time complexity of sequential search is

A) O(n) B) O(2n)
C) O(n^2) D) None
 
Answer & Explanation Answer: A) O(n)

Explanation:

The time complexity of sequential search is O(n)

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Filed Under: Database
Job Role: Database Administration

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Q:

Which of the following is system software?

A) MS Paint B) MS Excel
C) MS Word D) MS Windows
 
Answer & Explanation Answer: D) MS Windows

Explanation:

We know that, the collection of programs which performs specific tasks in a computer is called as software. Software in a computer is of two types. They are :

 

1. Aplication Software

2. System Software

 

System software is a computer program that performs the basic functionaility of a computer i.e, running a systems hardware and applications like loading programs, saving data, displaying, etc...

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Q:

Which sources produce alternating current (AC)?

A) Solar power plants B) Hydro-electric generators
C) Batteries D) All of the above
 
Answer & Explanation Answer: B) Hydro-electric generators

Explanation:

Alternating Current (AC) is the current in which flow of current is altered periodically whereas in DC current i.e, direct current the flow of current is only in one direction.

Some of the sources of AC current are :

1. Hydro-electric generators

2. Thermal power generators

3. Nuclear  power generators...

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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