8. Bacteria are
A.saprophytic
B.symbiotic
C.hyper parasitic
D.all of these

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9. Gram-negative bacteria, responsible for food poisoning, is/are
A.Salmonella
B.Pseudomonas
C.Clostridia
D.None of these

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10. Coliform bacteria on fermentation of carbohydrates yields
A.lactic acid
B.acetic acid
C.formic acid
D.all of these

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11. Gram-negative bacterium is/are
A.Escherichia
B.Clostridia
C.Staphylococci
D.All of these

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12. Thermus thermopiles is a
A.gram negative eubacteria
B.gram positive eubacteria
C.gram negative archebacteria
D.gram positive archebacteria

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13. Which of the following is a gram-positive bacteria?
A.Lactobacillus
B.Staphylococci
C.Streptococci
D.All of these

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