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#25 The pneumococcus strain used by Griffith in his experiments was;
A) Lophotrichous
B) Amphitrichous
C) Atrichous
D) Monotrichous
Answer: C
#26 Salmonella typhi is a;
A) Coccus bacterium
B) Bacllius bacterium
C) Spirillus bacterium
D) Nitrobacterium
Answer: B
#27 Which of the following diseases is NOT caused by bacteria?
A) Tetanus
B) Small pox
C) Tuberculosis
D) Diphtheria
Answer: B
#28 All of the following are bacterial diseases except;
A) Cholera
B) Tuberculosis
C) Typhoid
D) Poliomyelitis
Answer: D
#29 Milk sugar is pasteurized by heating for 15 seconds at the temperature of:
A) 60 °C
B) 71 °C
C) 50 °C
D) 80 °C
Answer: B
#30 Milk is a pasteurized by heating at;
A) 100°C
B) 100°C for 30 min
C) 71°C for 15min and 62°C for 32 min
D) 71°C for 32 m in and 62°C for 15 sec
Answer: C
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