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1000 Microbiology
Quiz 3
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Q.1
Which among the following group of microorganisms are found in the ducts of cow’s mammary glands?
a) Micrococci
b) Microbacteria
c) Lactobacilli
d) Coliforms
Q.2
Which of the following microorganism is eliminated in canned foods?
a) Lactobacillus
b) Clostridium botulinum
c) Mycobacterium tuberculosis
d) Coxiella burnetii
Q.3
Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________
a) fats
b) vitamins
c) carbohydrates
d) proteins
Q.4
Which of the following microorganism produces dextran?
a) Leuconostoc mesenteroides
b) Streptomyces olivaceus
c) Bacillus thuringiensis
d) Bacillus polymyxa
Q.5
The principal microorganism for yogurt is ______________________
a) Leuconostoc citrovorum
b) Streptococcus lactis
c) Streptococcus thermophilus
d) Lactobacillus acidophilus
Q.6
Which of the following yeast can be used to produce microbial protein?
a) Eremothecium ashbyi
b) Candida utilis
c) Saccharomyces cerevisiae
d) Candida milleri
Q.7
Acridine orange is which type of mutagen?
a) chemical compounds
b) transposons
c) base analog
d) intercalating agents
Q.8
Lipopolysaccharide in cell walls is characteristic of?
a) Algae
b) Fungi
c) Gram-negative bacteria
d) Gram-positive bacteria
Q.9
Which of the following are present in teichoic acids?
a) glycerol residues
b) ribitol residues
c) ribitol or glycerol residues
d) glucose residues
Q.10
Which of the following are true for cytoplasmic membrane?
a) site of generation of protonmotive force
b) hydrophilic barrier
c) hydrophobic barrier
d) hydrophobic barrier and site of generation of protonmotive force
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