CS/B.Sc (H)/Micro. Bio./SEM-4/MBT-404/2013
2013
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 alternatives for any ten of the
following : 10 × 1 = 10
i) The following compound is a secondary metabolite
a) amino acid b) vitamins
c) hormones d) steroids.
ii) The main component of biogas
a) oxygen b) nitrogen
c) carbon dioxide d) methane.
iii) The trickling filter is used in waste water treatment in
a) primary treatment b) secondary treatment
c) tertiary treatment d) preliminary treatment.
iv) The organism which produces parasporal crystal
a) Bacillus subtilis b) Bacillus cereus
c) Pseudomonous sp. d) Bacillus thuringiensis.
v) The organism having OCT plasmid
a) Streptococcus pneumoniae
b) Staphylococcus aureus
c) Bacilus subtilis
d) Pseudomonas putida.
vi) The molecular weight of active Bt toxin is
a) 200 KDa b) 50 KDa
c) 60 KDa d) 100 KDa.