Questions

Q:

Study of Life in outer space is known as

A) Endobiology B) Neobiology
C) Exobiology D) Intrabiology
 
Answer & Explanation Answer: C) Exobiology

Explanation:

Study of Life in outer space or search of life external to Earth is known as Exobiology.

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Q:

Which of these groups is the smallest level of classification?

A) Phylum B) Family
C) Kingdom D) Species
 
Answer & Explanation Answer: C) Kingdom

Explanation:

Kingdom is the smallest level of classification.

 

The level of classification from largest to smallest is :

* Domain

* Kingdom

* Phylum

* Class

* Order

* Family

* Genus

* Species

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Q:

What gas makes up most of the atmosphere?

A) Oxygen B) Helium
C) Nitrogen D) Carbondioxide
 
Answer & Explanation Answer: C) Nitrogen

Explanation:

Our atmosphere is made up of

78% Nitrogen,

21% Oxygen and

1% all other gases like argon, carbon dioxide, neon, and helium.

 

So, Nitrogen makes up the majority of our atmosphere.

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Q:

Most organic compounds contain carbon and

A) Hydrogen B) Nitrogen
C) Potassium D) All of the above
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Most organic compounds contain carbon and hydrogen.

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Q:

Dysfunctional behaviors are maladaptive which means that they

A) are medicated B) interfere with everyday life
C) cause of stress D) all of the above
 
Answer & Explanation Answer: B) interfere with everyday life

Explanation:

Dysfunctional behaviors are maladaptive which means that they interfere with everyday life.

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Q:

What are the two types of pure substances?

Answer

An atom is the smallest particle of a substance. Chemical substances are divided into two major groups. They are


1. Pure Substances (and)


2. Mixtures.


 


There are two types of pure substances that are Elements and Compounds.


 


Elements : An element is a substance that is made up of only one kind of atoms and cannot be broken down into simpler substances by chemical means. Metals and Non- metals come under elements.


Examples of elements are Iron, Silver, Gold, Mercury etc.


 


Compounds : A Compound is a substance that is formed when two or more elements combine chemically.


Examples of compounds are Water, Carbon dioxide, methane, vinegar etc.


 


Mixtures : A Mixture is formed when two or more substances mixed together but not chemically combined.


Example: Air.

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Q:

Which state will become the first Indian state to introduce Universal Basic Income ?

A) Sikkim B) Telangana
C) Andhra Pradesh D) Manipur
 
Answer & Explanation Answer: A) Sikkim

Explanation:
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Q:

Who synthesized the first wholly artificial gene?

A) Har Gobind Khorana B) Alexander Markham
C) Herbert Boyer D) J.J. Thompson
 
Answer & Explanation Answer: A) Har Gobind Khorana

Explanation:

The first wholly artificial gene was synthesized by Har Gobind Khorana.

Who_synthesized_the_first_wholly_artificial_gene1552735176.jpg image

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