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6 . Genetic material of a virus is-
A. DNA B. RNA
C. Either DNA or RNA D. Both DNA and RNA

7 . Bacteria was discovered first by-
A. Leeuwenhook B. Robert hook
C. Louis pasteur D. Robert Koch

8 . Curd is sour due to presence of
A. Citric Acid B. Lactic Acid
C. Acetic Acid D. None of these

9 . Smallest form of bacteria is called-
A. Vibrio B. Cocci
C. Bacilli D. Spirilla

10 . Bacteria which are round in shape are called-
A. Vibrio B. Bacillus
C. Coccus D. Spirilla




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