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3 questions · 2002 · answers as per the UPSC key

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UPSC 2002 · Q118 · Science & Technology › Health & Diseases · Save

Foot-and-mouth disease in animals, a current epidemic in some parts of the world, is caused by

(a) Bacterium
(b) Fungus
(c) Protozoan
(d) Virus
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Answer: (d) Virus
UPSC 2002 · Q134 · Science & Technology › Health & Diseases · Save

Which one of the following statements is correct?

(a) Prions are the smallest free-living cells
(b) The cell wall of Mycoplasmas is made up of amino sugars
(c) Viroids consist of a single-stranded RNA molecule
(d) Rickettsia’s lack cell wall
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Answer: (c) Viroids consist of a single-stranded RNA molecule
UPSC 2002 · Q148 · Science & Technology › Health & Diseases · Save

Assertion (A): Human diet should compulsorily contain Glycerine, Serine and Tyrosine.

Reason (R): Essential amino acids cannot be synthesised in the human body.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (d) A is false but R is true