Questions

Q:

Which of the following is an Organic Molecule?

A) Nitrogen gas B) Ammonia
C) Fructose D) Water
 
Answer & Explanation Answer: C) Fructose

Explanation:

Fructose is an Organic molecule among the given options.

  

Organic Molecules :

An organic molecule is one which contains carbon, although not all compounds that contain carbon are organic molecules. Noticeable exceptions are carbon monoxide (CO), carbon dioxide (CO2), carbonates (e.g. calcium carbonate), carbides (e.g. calcium carbide) and cyanides (e.g. sodium cyanide). Pure carbon compounds such as diamond and graphite are also not organic compounds. Organic molecules can range in size from simple molecules to complex structures containing thousands of atoms.

 

Although carbon is present in all organic compounds, other elements such as hydrogen (H), oxygen(O), nitrogen (N), sulfur (S) and phosphorus (P) are also common in these molecules.

 

In simple, Molecules needed for life that have carbon are called Organic Molecules.

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Q:

Who Invented Modern Frequency Modulation FM Radio ?

A) Peter Durand B) Percy Shaw
C) Edwin H. Armstrong D) Leo Hendrik Baekeland
 
Answer & Explanation Answer: C) Edwin H. Armstrong

Explanation:
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Q:

Who is now the World’s Second Richest Person ?

A) Amancio Ortega B) Warren Buffett
C) Jeff Bezos D) Bill Gates
 
Answer & Explanation Answer: C) Jeff Bezos

Explanation:
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Q:

Floridian starch is characteristic energy storage material of which algae?

A) Blue green algae B) Brown algae
C) Red algae D) Green algae
 
Answer & Explanation Answer: C) Red algae

Explanation:

The floridian starch is reserve food materials in the red algae or the members of class Rhodophytae. It is a characteristic feature of this group.

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Q:

Who has been appointed as the Election Commissioner of India  ?

A) S. Y. Quraishi B) Sunil Arora
C) H. S. Brahma D) Nasim Zaidi
 
Answer & Explanation Answer: B) Sunil Arora

Explanation:
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Q:

Environmental Science is the study of

A) Geography B) Physics
C) Biology D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

environmental_science_is_the_study_of1549343122.png image

Environmental science is a field that integrates physical, biological and information sciences to the study of the environment, and the solution of environmental problems. This emerged from the fields of natural history and medicine during the Enlightenment.

 

In brief, it is a scientific study of the natural world and how it is influenced by people.

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Q:

Which statement is NOT true about polymers?

A) Polymers are large molecules composed of small monomeric units B) Polymes are macromolecules
C) Polymers are complex molecules composed of random sequences of atoms D) All the above
 
Answer & Explanation Answer: C) Polymers are complex molecules composed of random sequences of atoms

Explanation:

Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

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Q:

Which one of the following is not true for minerals?

A) they can be a liquid, solid, or glass B) they can be identified by characteristic physical properties
C) they have a specific, internal, crystalline structure D) they have a specific, predictable chemical composition
 
Answer & Explanation Answer: A) they can be a liquid, solid, or glass

Explanation:

A mineral is a naturally occurring, inorganic solid, with a definite chemical composition. They cannot be in liquid or gas state. They exists only in solid state.

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