M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Genetics
ADVANCED MICROBIAL GENETICS
Time: 2½ Hours
Max. Marks: 70
Instructions: Section I compulsory. Attempt any four questions from Section II All questions carry equal marks. Figures to right indicate full marks. Draw neat and labeled diagrams.
Section I
Q.1

Rewrite the sentence after choosing the correct answer from the given alternatives.
07
g
The uptake of DNA fragment from surrounding by a bacterium is termed as
Transfection
Conjugation
Transduction
Transformation
In yeast the mating type is controlled by alleles of single gene locus referred to as
MAZ loci
AMP loci
MAP loci
MAT loci
Penicillin was extracted by
Flemming
Huxley
Lamarck
Brown
Which of the following bacteria is not naturally competent?
E. Coli
Bacillus Subtilis
Streptococcus peumoniae
Hemophilus influeanzae
Yeast is an important source of
Vitamin C
Riboflavin
Sugar
Protein
are formed on media due to the action of lytic phages.
Zones
Plaques
Colonies
Spores
Transduction is done with the help of
Bacteria
Fungus
Viruses
Mycoplasma

Answer the following terms.
07
Virulent phages
Fluctuation test
Electroporation
Specialized transduction
Sexduction
Interupted matting
Plasmid
Page 2 of 2
SLR-UK-393
Section II
Q.2
Explain in brief: discovery of conjugation and its process.
14
Q.3
Explain temperate phages and its life cycle.
14
Q.4
Describe yeast mating types switching.
14
Q.5
Answer any two from the following.
14
Explain methods of isolation of autotropic mutants.
Explain in detail abortive transduction.
Give an account on map of f plasmid.
Q.6
Answer any two from the following.
14
Explain in detail temporal mapping.
Explain role of fungi and its applications in biotechnology.
Explain analysis of mutation in biochemical pathway.