CS/B.Sc(H), MICROBIO/SEM-4/MBT-404/2012
2012
MICROBIAL BIOTECHNOLOGY
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct answers for any ten of the following :
10 × 1 = 10
i) The alga which can produce SCP is
a) Chlorella b) Spirulina
c) Both (a) and (b) d) none of these.
ii) The ideal temperature for biogas production is :
a) 40° C-50° C b) 37° C
c) 30° C-40° C d) 25° C-27° C.
iii) Antibiotics is considered as
a) primary metabolite b) secondary metabolite
c) amino acid d) hormone.
iv) Ethanol can be used as
a) red petrol b) green petrol
c) blue petrol d) brown petrol.
v) Acetic acid is produced by
a) Clostridium botulinum
b) Gluconobacter aceti
c) Lactobacillus acidophilus
d) none of these.
vi) The bacteria which degrades toluene is
a) Acinetobacter calcoacetions
b) Achromobacter xylosoxidars
c) Pseudomonas fluorescence
d) Ochrobacterium sp.
vii) The micro-organism which is not an inhabitant of the
biofilm in trickling filter is
a) Alcaligenes b) Ulothrix
c) Spirogyra d) Flavobacterium.