General Science Questions

Q:

Yellow Journalism refers to

Answer

Yellow Journalism refers to a type of journalism with the use of lurid features like eye catching head lines and sensationalized news in newspaper publishing to attract readers and increase circulation. The techniques that are used in this journalism may include exaggerations of news events, scandal-mongering, or sensationalism.

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Q:

Which gases in the atmosphere absorb ultraviolet radiation?

A) Ozone B) Carbondi oxide
C) Oxygen D) Helium
 
Answer & Explanation Answer: A) Ozone

Explanation:

The ozone gas present in the atmosphere absorb ultraviolet radiation. It is spread as a ozone layer throughout the stratosphere.

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Q:

What is the term for classifying and grouping organisms?

A) Homology B) Taxonomy
C) Biology D) Zeology
 
Answer & Explanation Answer: B) Taxonomy

Explanation:

The term for classifying and grouping organisms is Taxonomy. It is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

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Q:

Mortar is a mixture of

A) cement B) water
C) sand D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Mortar is a mixture of cement or lime as a binder, sand and water.

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Q:

Which is an example of an endothermic reaction?

A) combustion B) mix of CaO with water
C) coal is burnt D) photosynthesis
 
Answer & Explanation Answer: D) photosynthesis

Explanation:

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 

Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...

 

In the contrast, chemical reactions involving release of heat are known as exothermic reactions.

Examples : Combustion, coal is burnt, mix of CaO with water,...

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Q:

How many commands are there in the Indian Navy?

A) 3 B) 4
C) 5 D) 7
 
Answer & Explanation Answer: A) 3

Explanation:

The Indian Navy operates three operational Commands. They are

 

1. Western Naval Command - Mumbai


2. Eastern Naval Command  - Vishakhapatnam


3. Southern Naval Command - Kochi

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Q:

A Book always has

A) Preface B) Text
C) Index D) Page
 
Answer & Explanation Answer: D) Page

Explanation:

A Book always has Pages. Without pages it can't be called as a book. A book can be either with or without preface, text or index but it can't be without a page.

 

Hence, A Book always has page.

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Q:

Polypeptides are assembled from

A) Ribosomes B) Chromosomes
C) Aminoacids D) None of the above
 
Answer & Explanation Answer: C) Aminoacids

Explanation:

Polypeptides are assembled from Aminoacids.

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