Veer Narmad South Gujarat University 2010 M.Sc BioTechnology IBT-402 : Microbiology -2 In(sem.- 4). - Question Paper

R-3805-06

M. Sc. In. Biotechnology (Sem. IV) Examination May/June - 2010 IBT - 402 : Microbiology - II

(New Syllabus)

Time : 3 Hours]

Instructions :

(1)

6silq<3i Pi*unkil SnwiA u*

Fillup strictly the details of signs on your answer book.

Name of the Examination :

M. SC. IN. BIOTECHNOLOGY (SEM. 4)

Name of the Subject:

IBT - 402 : MICROBIOLOGY - 2

-Subject Code No.

3 8 0 5 Section No. (1,2,.....

(2)    Figures to the right indicate full marks of the question.

(3)    Draw neat and labelled diagrams whenever necessary.

(4)    Both sections must be written in separate answer books.

1 Define the term Growth. Derive the equation for the    10

calculation of growth rate and generation time.

OR

1    Define synchrony and synchronization. Explain in detail 10 various methods to obtain synchronous culture. Give its applications.

2    Write an exhaustive note on microbiological assay of    10 antibiotics.

OR

2 What are antibiotics? Explain in detail antifungal    10

antibiotics.

3 Write short notes on : (any three)    15

(a)    Mechanism of action: Penicillin Vs Chloramphenicol

(b)    Non-medical uses of antibiotics

(c)    Binary fission in bacteria

(d)    Logarithmic decline phase.

R-3805-06]    1    [Contd...

Instructions

(1)

6siiq<si Pi*unkil SnwiA u*

Fillup strictly the details of signs on your answer book.

Name of the Examination :

M. SC. IN. BIOTECHNOLOGY (SEM. 4)

Name of the Subject:

IBT - 402 : MICROBIOLOGY - 2

-Subject Code No.

3 8 0 6

-Section No. (1,2,.....)

(2)    Figures to the right indicate full marks of the question.

(3)    Draw neat and labelled diagrams whenever necessary.

(4)    Both sections must be written in separate answer books.

4 What are sigma factors? Give classification of various 10 sigma factors of Escherichia coli along with their functions.

OR

4    Explain in detail various mechanisms for uptake of    10 nutrients by the bacterial cell across cell membrane.

5    Explain in detail Green sulphur bacteria.    10

OR

5 What are Endospores? Explain activation, germination 10 and outgrowth of endospores.

6 Write short notes on : (any three)

(a)    Heat shock protein

(b)    Membrane lipids

(c)    Hydrogen bacteria

(d)    Methanogenesis.

R-3805-06]    2    [ 500 ]

Attachment: veer-narmad-south-gujarat-university-2010-m-sc-biotechnology-28624-1.pdf

Earning:   Approval pending.