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2 questions · 2008 · answers as per the UPSC key

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UPSC 2008 · Q43 · Science & Technology › Health & Diseases · Save

Consider the following statements about probiotic food:

  1. Probiotic food contains live bacteria which are considered beneficial to humans.
  2. Probiotic food helps in maintaining gut flora.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
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Answer: (c) Both 1 and 2
UPSC 2008 · Q115 · Science & Technology › Health & Diseases · Save

Mixture

of which one of the following pairs of gases is the cause of occurrence of most of the explosions in mines?

(a) Hydrogen and oxygen
(b) Oxygen and acetylene
(c) Methane and air
(d) Carbon dioxide and methane
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Answer: (c) Methane and air