M.Sc.(Microbiology) (Semester-II) (CBCS) Examination, 2017
Microbial Physiology And Metabolism
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions
From Part-I, Question-1 is compulsory
Attempt any four questions from Part-II
Figures to the right indicate full marks.
Draw neat and diagrams wherever required.
PART I
Q.1 Choose the correct answers from given alternatives. 14
Photosynthetic apparatus in cyanobacteria contain three proteins
collectively called…………………
Galactoproteins Chromoproteins D
Phycobilisomes Phycomycins.
...... are transported by group translocation
Proteins Aminoacids I
Fats Sugars
NAD and NADH are ……. For dehyodrogenases
Cofactors Coenzymes a
Apoenzymes Holoenzyrnes
……. enzyme involved in conversion of nucleosides to nucleotides
Nucleoside oxides Nucleoside kinas I
Nucleoside reeducates Nucleoside transferees
TCA cycle is major route of ATP generation in …….
Chemolithotrophs Chemoheterotrophs R
Phototrophs Aeroheterotrophs
Cytochromes are conjugated proteins consisting…….. as
prosthetic group.
Amino Acyl I
Formyl Heame
Phosphotransferase also regulate……… enzyme
Adenylate cyclease Adenylate oxidase I
Adenylate kinase Adenylate reductase
Page 2 of 2
Phycobilins are water soluble open chain……….
Tetraphytols Phytols I
Tetra pyrroles Octa pyrrols
A revolving door model of active transport has been proposed to
explain the passage of …… through cell membrane.
Glucose Lactose I
Maltose Sucrose
10) ……….. shows similarities with the probable ancestor of
mitochondria
Dipiococcus Micrococcus I
Paracoccus Mitococcus
11) Keto acids are converted to leucine moles by tranamination of
……………..
Aspomate Pyruvate I
Glutamate Glutamine
12) When fats are added in water, they are converted into droplets
and get dispersed, the process is called…………..
Saponification Rancidity I
Hydrolysis emulsification
13) ………….. is nothing but microbial hormone
Pheromone Provitamin I
Prostaglandin Phosphalipid
14) Osmosis is flow of solvent from region of … to … solute concn.
Low to low Low to high I
High to high High to low
PART II
Q2 Write in detail on concept and components of ETC. 14
Q3 Give an account on steps in TCA cycle and anapleurotic reductions. 14
Q4 Write in brief on biosynthesis of amino acids 14
Q5 Write in short on Any TWO 14
Oxygen toxicity
ii) Simple and facilitated diffusion
iii) Theories of ATP generation
Q6 Write in short on Any TWO 14
Acid permiases and their significance
ii) Drug metabolism
iii) Amphibolic nature of TAC