Q:

Who Invented Neon Lamp?

A) Vint Cerf	B) David Chaum
C) Georges Claude	D) Josephine Cochrane

Answer & Explanation Answer: C) Georges Claude

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Filed Under: Inventions
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Q:

Who Invented FM Radio?

A) Edwin Howard Armstrong	B) John Barber
C) Edwin Beard Budding	D) Nicholas Callan

Answer & Explanation Answer: A) Edwin Howard Armstrong

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Filed Under: Inventions
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Q:

In water treatment plant, use of chloramines ensures __________

A) taste and odour control	B) weed control in reservoirs
C) disinfection	D) removal of permanent hardness

Answer & Explanation Answer: C) disinfection

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Filed Under: Chemistry
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Q:

How many atoms are present in one molecule of Ozone?

A) 4	B) 1
C) 2	D) 3

Answer & Explanation Answer: D) 3

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Filed Under: Chemistry
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Q:

Which of the following is a mixture?

A) Water	B) Air
C) Carbon dioxide	D) Oxygen

Answer & Explanation Answer: B) Air

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Filed Under: Chemistry
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Q:

Which vaccine company has developed Typbar Typhoid Conjugate vaccine that has received pre – qualification from the World Health Organisation (WHO)for global use ?

A) Panacea Biotech	B) Bharat Biotech
C) Biocon	D) Bharat Serums and Vaccines

Answer & Explanation Answer: B) Bharat Biotech

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Filed Under: Biology
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

(Upto) the time he wasn’t here, we were not sure if he will actually come.

A) Till	B) To
C) Until	D) No improvement

Answer & Explanation Answer: A) Till

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Filed Under: English
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Q:

Which of the following is Inexhaustible Natural Resources?

A) Air	B) Minerals
C) Forests	D) Coal

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