Q:

Proteins differ from one another because

A) The peptide bonds linking amino acids differ from protein to protein	B) Each protein contains its own unique sequence of sugar molecules
C) The number of nucleotides found in each protein varies from molecule to molecule	D) The sequence of amino acids in the polypeptide chain differs from protein to protein

Answer & Explanation Answer: D) The sequence of amino acids in the polypeptide chain differs from protein to protein

Explanation:

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0 4043

Q:

Which half reaction correctly represents reduction?

A) Fe2+ + e- ---> Fe3+	B) Au3+ + 3e– ---> Au
C) Ag ---> Ag+ + e-	D) All of the above

Answer & Explanation Answer: B) Au3+ + 3e– ---> Au

Explanation:

A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

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0 4040

Q:

When did Economic Community of Central African States came into existence

A) 1984	B) 1983
C) 1982	D) 1981

Answer & Explanation Answer: B) 1983

Explanation:

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Filed Under: World Organisations

5 4040

Q:

Who is the inventor of railway engine?

A) George Stephenson	B) W.H.F Talbot
C) Richard Trevithik	D) Eli Whitney

Answer & Explanation Answer: C) Richard Trevithik

Explanation:

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Filed Under: Inventions

1 4039

Q:

Safety matches contain

A) Sulphur	B) Phosphorus
C) Magnesium	D) Potassium

Answer & Explanation Answer: B) Phosphorus

Explanation:

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Q:

Name the malicious software that affected various computers recently in may 2017, and restricted users to access it until a ransom is paid to unlock it ?

A) Bitcoinware	B) Captiveware
C) Pay-offware	D) Ransomware

Answer & Explanation Answer: D) Ransomware

Explanation:

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2 4039

Q:

World's smallest Computer is unveiled by

A) Infosys	B) Intel
C) IBM	D) Microsoft

Answer & Explanation Answer: C) IBM

Explanation:

IBM has unveiled the world's smallest computer - a device no bigger than a grain of salt. Presented at the company's Think 2018 conference in Las Vegas, Nevada, the unit measures just 1mm by 1mm but has the same processing power as the x86 chip that ran early Nineties IBM desktop computers.

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2 4039

Q:

Dr. Rabindranth Tagore received the Nobel Prize for his work

A) Evening Songs	B) Morning Songs
C) Gitanjali	D) Gora

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