DISTANCE EDUCATION
M.Sc. (Botany) DEGREE EXAMINATION, MAY 2018.
Specialization Plant Bio-Technology
PLANT MOLECULAR BIOLOGY
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
x 20 100)
1. Describe the structure and function of chloroplast
genome.
What is Chromatin? Explain its organization.
Discuss about nucleus encoded gene for chloroplast
protein.
2. What are the difference between mitochondrial and
nuclear DNA?
Give a detailed account of plant hormones.
Short notes on transposons.
3. Give an account on mitochondrial genome.
Discuss about cytoplasmic male sterility.
Describe the classification and functions of seed
storage protein.
4. Short notes on Agrobacterium tumifaciens and its
applications.
Give detailed account on symbiotic nitrogen fixation
in legumes.
Write short notes on binary vector.
Sub. Code
15
DE-4079
2
Ws 5
5. Give a detailed account on plant response to salinity
and UV stress.
Write short notes on drought tolerant in plants.
Explain any two physical methods in direct
transformation of genes.
6. Write a detailed account on molecular pharming.
Give an account on transgenic plant derived
products for commercial applications.
Discuss about bioremediation through plants.
7. Describe plant genome mapping strategies and
applications.
Write short notes on tagging of plant gene.
Analyse the sequential stages of gene cloning
techniques.
8. Explain Insertion of desired DNA into the vector.

Describe the tumour inducing principle and genetic
organization of Ti plasmid.
Write an account of plasmid as vectors.
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