Top 1000+ Solved Microbiology MCQ Questions Answer
Q. Basic principle in industrial microbiologyis
a. Suitable growth conditions
b. Fermentation
c. Providing aseptic conditions
d. All of these
Q. For thorough mixing of medium of medium and inoculum the part of fermentor useful is
a. Shaft
b. Headspace
c. Impeller
d. Sparger
Q. Infermentor the top portion left withoutbroth is called
a. Shaft
b. Head space
c. Impeller
d. Sparger
Q. Over heating of fermentator duringfermentation is controlled by
a. Cooling jacket
b. Steam
c. Cool air
d. None of these
Q. The capacity of laboratory fermentors is
a. 12–15 liter
b. 2000 gallons
c. 500 liters
d. 10000 gallons
Q. For the production of ethanol the rawmaterial used is
a. Molasses
b. Cellulose
c. Sulphite waste liquor
d. None of these
Q. Different methods of strain improvementare
a. Protoplast fusion
b. Recombinant DNA technique
c. Genetic recombination
d. All of these
Q. Protoplasts can be prepared from
a. Gram positive bacteria
b. Gram negative bacteria
c. Both a & b
d. None of these
Q. Upto the product ion of des irab leproduction in the fermentor is called
a. Upstream process
b. Downstream process
c. Surface fermentation
d. None of these
Q. The purification and recovery of theproduction after fermentation is called
a. Upstream process
b. Downstream process
c. Surface fermentation
d. None of these
Q. If the microorganisms are allowed tonutrient medium is called
a. Submerged fermentation
b. Surface fermentation
c. Dual fermentation
d. All of these
Q. Submerged fermentations are
a. Batch fermentation
b. Continuous fermentation
c. Both a and b
d. None of these
Q. Batch fermentation is also called
a. Closed system
b. Open system
c. Fed-batch system
d. None of these
Q. If more than one microorganism is used to obtain the required product, that type of fermentation is called
a. Batch
b. Continuous
c. Dual
d. Fed-batch