Master of Science I (Biotechnology) Examination: Oct Nov 2016
Semester I (Old CBCS)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SK
98
Wednesday
16/11/2016
10.30 AM
to
01.00 PM
Microbiology
C
I
Instructions: Section is compulsory.
Answer any four questions from Section -II
Total Marks: 70
Section- I
Q.1 Rewrite following sentences by using correct option. 07
Influenza virus binds to of the host cell membrane.
Omp Sialic acid receptor
Polysaccharides Glycoproteins
Electron microscope was discovered by
Ernst Ruska Robert Hook
Stanley Michael Tswett
The number of ascospores in an ascus of Ascomycetes is
2 8
varies with species 16
A variant of bacterial strain with biochemical and physiological differences
is called as
Morphovar Biovar
Serovar None of these
In Gram's staining method, can be used as a secondary
stain.
Gram's iodine Safranine
Basic fuchsin Both and
A protein called as Bacteriorhodopsin is produced by
Alkalophiles Barophiles
Halophiles Metallophiles
Archaebacteria show linkage between fatty acids and
glycerol molecules of cell membrane.
Ether Ester
Covalant Ionic
Define the following terms: 07
Lytic phage
Selective culture medium
Mycotoxin
Piezophiles
Differential staining method
Primary cell culture
Transmission electron microscope
Section-II
Q.2 Give a brief account of photosynthetic bacteria. 14
Q.3 Write in detail about different methods to control micro-organism. 14
Q.4 Describe lytic cycle of viruses by using the examples of T4 phage and
phage.
14
Q.5 Write shorts notes any TWO of the following: 14
Give the difference between dry heat sterilization and moist heat sterilization
Scanning electron microscopy
Halophiles
Q.6 Write short notes on any TWO of the following: 14
PHYLIP Software
Magnetotactic bacteria
Multiplication of Influenza virus.