M.Sc. (Semester II) (CBCS) Examination Oct/Nov-2017
Microbiology
MICROBIAL PHYSIOLOGY AND METABOLISM
Day Date: Wednesday, 22-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Part- Questions No.1 Compulsory.
Attempt any 4 questions from Part II.
Figures to the right indicate full marks.
Draw neat and labeled diagram wherever required.
PART I
Q.1 Choose the correct alternative given in the bracket. 14
Bacteriorhodopsins are present of photosynthetic halo bacteria.
Cytoplasm Cell wall
Cell membrane Mesosome
Chlorobium vesicles are surrounded by non unit membrane that consist of a

Galacto lipids Proteins
Fats Sugars
Precursor for fatty acid biosynthesis is
Malonyl coA Citryl coA
Succinyl coA Acctyl coA
Cytochromes as a prosthetic group
Pyrrol Phytol
Iron Porphyrin FAD
moles are generated in TCA cycle
8 10
24 38
Cytochromes are
Lipids Lipoproteins
Proteins Fats
In biosynthesis purine and is key compound.
Ribose Ribose-s
Ribuloses-℗ Phosphoribosyl pyrophosphate
The function of phosphotransferase system is transport of cell
membrane.
Amino acids Na+
Sugars
Steriospecific
Facilitated diffusion Simple diffusion
Passive diffusion Active transport
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SLR-MQ-586
10) In ATP linked is synthesized from glutamate and ammonia.
Aspartate Proline
Serine Glutamine
11) Emulsification is property when, they are added in water.
Fats Carbohydrates
Proteins Amino acids
12) In anaerobic respiration terminal electron acceptor
O2 NO3
Pyruvic acid Succinic acid
13) Cytochrome oxide is nothing
Cyt a a3 Cyt C1 C2
Cyt b c Cyt C2C3
14) In is synthesized from ADP and inorganic
Heterolactic fermentation Photosynthesis
Homolactic fermentation Oxidative phosphorylation
PART II
Q.2 Give an account of different permeation systems in E-coli and their significance. 14
Q.3 Write an essay on mitochondrial ETC. 14
Q.4 Give brief account of biosynthesis of saturated fatty acids. 14
Q.5 Write in short on any Two of the following: 14
Microbial hormones their significance.
Vale rate pathway
Microbial response to osmotic stress.
Q.6 Write short notes on any TWO of the following: 14
Shuttle systems across cell membrane.
Alkanes, structure properties.
Amphibolic reactions of TCA cycle.