13
Q:

Which organization has the motto 'Be prepared'? 

Answer:



Q:

Solid Carbon dioxide is known as

A) Wet Ice B) Dry Ice
C) Solid Ice D) None
 
Answer & Explanation Answer: B) Dry Ice

Explanation:

Dry ice or Cardice is the solid form of Carbon dioxide.

 

1. It has an advantage of lower temperature than the water ice and doesn't leave any residue.

 

2. The reason why it is called as Dry ice is because unlike the normal ice, it won't melt into liquid form. It directly evaporates into the air as gas. That is Solid to gas form passing through liquid state is a phenomenon called as Sublimation.

 

3. The primary use of dry ice is as cooling agent.

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Q:

What is the Lithosphere made of?

A) Soil B) Rocks
C) Dirt D) Water
 
Answer & Explanation Answer: B) Rocks

Explanation:

Lithoshpere are composed of rocks in the crust and upper mantle that behave as brittle solids. The lithosphere is Earth's outermost layer.

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2 113
Q:

Which of the following is Not a Greenhouse Gas?

A) Oxygen B) Methane
C) Nitrous Oxide D) Carbondioxide
 
Answer & Explanation Answer: A) Oxygen

Explanation:

A greenhouse gas is a gas in an atmosphere that absorbs and emits radiant energy within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. 

Carbon dioxide is a main greenhouse gas, found in car exhaust pipes.
Methane and nitrous oxide is another type of greenhouse gas.

Oxygen is the only clean gas out there because we need it to survive. Therefore, the only gas that is not a greenhouse gas is Oxygen.
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Q:

The Largest country of the World by Geographical Area is

A) China B) United States of America
C) Russia D) Australia
 
Answer & Explanation Answer: C) Russia

Explanation:

Russia is the Largest country of the World by Geographical Area.

 

Top 10 largest countries of the World :

1. Russia

2. Canada

3. United States of America

4. China

5. Brazil

6. Australia

7. India

8. Argentina

9. Kazakhstan

10. Algeria

 

When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.

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3 175
Q:

Which online security campaign has been launched by Google India to safeguard internet users?

A) #SecurityCheckKiya B) #InternetSafetyKiya
C) #OnlineSecurityKiya D) #SecureInternetKiya
 
Answer & Explanation Answer: A) #SecurityCheckKiya

Explanation:

Google has launched new online security campaign #SecurityCheckKiya in India to promote security awareness among general public. The purpose of the campaign is to protect young and first-time web users from account hijacking, safeguard Android devices from malicious apps and secure all their personal data if they lose their device.

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2 174
Q:

The amount of Matter in an Object is

A) Weight B) Mass
C) Volume D) Space
 
Answer & Explanation Answer: B) Mass

Explanation:

Mass means the amount of matter in an object. Anything that has Mass and takes up Space is called Matter.

 

The Study of Matter and and how matter changes is called Chemistry.

 

Matter has some mass and occupies some space. Space occupied by an object is called its Volume.

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3 119
Q:

The Computer size was very large in

A) Fourth Generation B) Third Generation
C) Second Generation D) First Generation
 
Answer & Explanation Answer: D) First Generation

Explanation:

The First Generation Computers size was very large. 

 

Since the First generation computers used 1000s of vacuum tubes that required lot of space made them gigantic in size. Single transistor could replace 1000 vacuum tubes and a single IC chip replaced 1000s of transistors made computers smaller and more speedy.

 

It is obvious that computers developed with more power, reliability, speed and smaller sizes due to the enhancement of technology.

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5 118
Q:

The Basic Architecture of Computer was developed by

A) Charles Babbage B) Blaise Pascal
C) Garden Moore D) John Von Neumann
 
Answer & Explanation Answer: D) John Von Neumann

Explanation:

Computer Architecture refers to how a computer system is designed and what technologies it is compatible with. In brief, Computer architecture is a specification detailing how a set of software and hardware technology standards interact to form a computer system or platform.  

                                     comp1518074667.jpg image 

The Von Neumann Architecture, which is also known as the Von Neumann Model and Princeton architecture, is a computer architecture based on the 1945 description of computer by the mathematician and physicist John von Neumann.

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