Master of Science I (Microbiology) Examination: Oct Nov 2016
Semester II (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.

SLR SO
619
Saturday
19/11/2016
10:30 A.M
to
01:30 P.M
Microbial Physiology
Metabolism
C
VI
Instructions: Part Question 1 is compulsory.
Attempt any four questions from Part II.
Figures to the right indicate full marks.
Total Marks:70
PART I
Q.1 Rewrite the following sentences by selecting correct answers from given
alternative.
14
Cytochromes are in the respiratory chain.
Polymerizing enzymes Hydrolyzing enzymes
Oxidative enzymes Reductive enzymes
involved in conversion of nucleosides to nucleotides.
Nucleotide oxidase Nucleotide Kinase
Nucleotide reductase Nucleotide transferase
Mitochondrial ETC is
Linear Branced
Three dimensional Two dimensional
Cytochromes are conjugated proteins consisting as prosthetic group.
Iron S04
P04 C03
Phosphotransferase also regulate enzyme.
adenylate oxidase adenylate cyclease
adenylate kinase adenylate reductase
takes place across the concentration gradient and requires energy.
Simple diffusion Passive diffusion
Facilitated diffusion Translocation
In biosynthesis of saturated fatty acids, the basic adding unit is
Acetyl CoA Adenylate CoA
Citryl CoA Malonyl CoA
A revolving door model of active transport has been proposed to explain the
passage of through cell membrane.
Lactose Glucose
Maltose Galactose
Page 1 of 2
similarities with the probable ancestor of mitochondria.
Diplococcus Micrococcus
Paracoccus Mixococcus
10) Phosphate moles taken up for NAD linked ETC are
1 2
3 4
11) Omega oxidation of hydrocarbons leads to formation of acids.
Dicarboxyl Tricarboxyl
Moncarboxyl Polycarboxyl
12) is ultimate source of all carbon atoms of fatty acids.
Citryl CoA Acetyl CoA
Succinyl CoA Formyl CoA
13) Osmosis is flow of solvent from region of solute con
Low to high Low to low
High to high High to low
14) Bacteria can communicate by releasing and detecting to gauge their
population density.
Pigments Organic acids
Enzymes Pheromones
PART II
Q.2 Write an essay on transport mechanisms. 14
Q.3 Write in detail on De novo synthesis of purines. 14
Q.4 Give an account of citric acid cycle. 14
Q.5 Write short answers any two: 14
Microbial hormones and their significance
Theories of ATP generation
Aerobic and anaerobic ETC
Q.6 Write short answers any two: 14
Alpha oxidation of hydrocarbons
Components of ETC
Oxygen toxicity