E-PolyLearning

1. Who among the following was successful in raising 17 germ-free chickens for 40 days?
a. Pasteur
b. Schottelius
c. Cohendy
d. Reyniers
View Answer Report Discuss 50-50!
Answer: (c).Cohendy

2. Within how many days after birth a stable flora develops?
a. 1 day
b. 7 days
c. 30 days
d. 7-14 days
View Answer Report Discuss 50-50!
Answer: (d).7-14 days

3. Animals that are contaminated with germs are said to be gnotobiotic.
a. True
b. False
c. May be
d. Can't say
View Answer Report Discuss 50-50!
Answer: (b).False

4. How many day old embryonated eggs was used by Reyniers to rear first germ-free animals?
a. 20
b. 50
c. 2
d. 7
View Answer Report Discuss 50-50!
Answer: (a).20

5. Which among the following was the first germ-free animal to be reared?
a. guinea pigs
b. rats
c. chickens
d. monkey
View Answer Report Discuss 50-50!
Answer: (c).chickens

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