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Systematics Viruses Viroids Prions - Questions and Answers

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146. Study of only one or a few organisms for obtaining knowledge about species/higher group is
A. Nominalistic concept
B. Classical systematics
C. Typological concept
D. New systematics
Explanation:
147. Virus having enzyme lysozyme is
A. Retrovirus
B. Influenza virus
C. Bacteriophase
D. Vaccinia virus
Explanation:
148. Who discovered that RNA is genetic material in TMV?
A. Gierere and Schramm
B. Issacs and Lindemann
C. Sinsheimer
D. Delbruck
Explanation:
149. AIDS virus contains
A. DNA only
B. RNA only
C. DNA + protein
D. RNA + protein
Explanation:
150. A bacteriophage possesses an enzyme
A. Protease
B. Urease
C. Dehydrogenase
D. Lysozyme
Explanation: