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Q.1 Choose the correct option:(i) Which one of the following cannot reproduce by them selves ?( (a) Bacteria (b) Fungi (c) Virus (d) Protozoa(ii) Penicillin is obtained from :(a) Bacteria (b) Fungi (c) Idli (d) None of these(ii) Which of the following is copolymer(a) Buna-S (6) PVC (c) Orlon (d) neopreneA metal which has reddish brown colour ; |
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