M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Microbiology
MICROBIAL PHYSIOLOGY AND METABOLISM
Time: 2½ Hours
Max. Marks: 70
Instructions: From 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
Like green plants carry out an oxygenic photosynthesis.
Corynebacteria
Chlamydia
Clostridia
Cyanobacteria
Cell membrane of photosynthetic halobacteria contains
Bacteriorhodopsins
Phytols
Octaphytols
Phycobilins
The Precursor for pyrimidine nucleotide synthesis are
Aspartic acid and acetate
Aspartic acid and Pi
Aspartic acid carbamoyl
Aspartic acid NADH2
In case of photosynthetic bacteria photosynthetic apparatus is present in
Cell membrane
Mesosome
Cell wall
Cytoplasm
Mitochondrial ETC is
Linear
Branched
Three dimensional
Two dimensional
Cytochromes are conjugated proteins, which contain as prosthetic group.
Fe
SO4
PO4
CO3
Phosphotransferase system catalyses phosphorylation of during group translocation
Amino acid
Nucleotides
Vitamins
Sugars
Phycobilins are only present in red algae with exception of
Cyanobacteria
Artherobacter
Mitrobacter
Citrobacter
In biosynthesis of saturated fatty acid, the basic adding unit is
adenyl CoA
acetyl CoA
succinyl CoA
malonyl CoA
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SLR-UQ-537
10) The enzyme catalyzing exchange of Na+ and is called
Na+ Permiase
transferase
Phosphatase
ATPase
11) Aspartic acid is derived from oxaloacetate by
Transamination
Transformation
Transacylation
Transduction
12) Bacteria can communicate by releasing to gauge their population density.
Pigments
Polysaccharides
Pheromones
Polypeptides
13) Major mechanism of fatty acid oxidation is oxidation.
Alpha
Beta
Omega
Delta
14) Mito-chandra was discovered by
Griffith
Pasteur
Monod
Eugene Kennedy
PART II
Q.2
Write in detail on photosynthetic and nonphotosynthetic ETC.
14
Q.3
Define aromatic hydrocarbons. Give an account on adipate pathway.
14
Q.4
Write in brief on purine and pyrimidine biosynthesis.
14
Q.5
Write in short on any Two of the following:
14
Group translocation
Oxidative phosphorylation
Omega oxidation of Alkanes
Q.6
Write short notes on any TWO of the following:
14
Active transport
Anapleurotic reactions of TCA cycle.
-oxidation of Alkanes