TS Police SI Mains 2018 Paper 4

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Question : 40 of 200
 
Marks: +1, -0
Which of the following statements are correct ?
a. Melamine polymer is used in the manufacture of unbreakable crockery.
b. Enzymes are biocatalysts.
c. DNA fingerprinting is used for identification of criminals.
d. Tincture of iodine is an antiseptic.
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