DISTANCE EDUCATION
M.Sc.(Botany) DEGREE EXAMINATION, MAY 2016.
PLANT MOLECULAR BIOLOGY
(Specialization Plant Bio-technology)
(2008 Onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
20 100)
1. Discuss about chloroplast genome organisation.
Give an account on chromatin organization in
plants.
Give a brief account on nuclear encoded genes.
2. Give a detailed account on Mitochondrial genome.(8)
Write about seed storage proteins classification and
functions.
Explain about cointegrate and binary vectors.
3. Discuss about molecular biology of plant stress
response.
Give an account on plant transposons.
Write notes on bioremediation.
Sub. Code
15
DE-3853
2
Ws9
4. Analyse the mechanism of T.DNA transfer to
plants.
Enumerate the commercial applications of
transgenic plants.
Mention the role of silicon carbide and
ultrasonication in stress physiology.
5. Discuss about molecular pharming.
Give an account on plant hormones.
Write about biolistic gene transfer.
6. Give an account on the importance of
Agrobacterium tumefaciens.
Explain about symbiotic nitrogen fixation in
legumes by Rhizobia.
Give an account on structural features of a typical
gene.
7. Discuss about tagging, mapping and cloning in
plant genes.
Write about cytoplasmic male sterility.
Give examples of nuclear encoded cytoplasmic
proteins.
8. Discuss the plant genome organization.
Give an account on regulation of gene expression in
plant development.
Describe microlaser.