Nalanda Open University 2010 M.Sc Botany {} Part–II, –X (Cytogenetics and Crop Improvement) Annual , - Question Paper
M.Sc. {Botany} Part–II, Paper–X (Cytogenetics and Crop Improvement) Annual Examination, 2010
Part-II, Faper-X (Cytogenetics and Crop Improvement)
Annual Examination, 20JO Full Marks : 80 Time : 3 Hours.
Anszver tun/ l'ii>e Questions. All tfuestions corn/ Itjutil murks.
1. What is translocation ? What do you mean bv heterozygous translocation ?
2. Define crossing over. Discuss the types ami mechanism of crossing over.
3. Write short notes on anv Two of the following
(a) Aneuploids in man.
(b) Polyploidy.
(c) Allpolv ploidv.
4. Describe the structure, Cvtological behaviour and significance of Lamp brush Chromosomes.
5. Write short notes on am- Two of the following (a) B-Chromosome.
(I)) Supernumerary Chromosomes.
(c) Giant Chromosomes.
6. What is mutation ? I low chemu al mutagens helps in induction of mutation ?
7. Write short notes on anv Two of the following
(a) Examples of Physical mutagens.
(b) Role of mutation in crop improvement.
(c) Difference between ionizing radiations and non ionizing raditions.
8. Write in detail al>out genetic Engineering.
9. Write an essay on "Interaction of genes."
10. What do vou mean bv Transgenic plants ? Give the details about Transgenic plats.
Write short notes on anv Tivo of the following
(a) Genetic Engineering and Agriculture.
(I)) Colour Blindness.
(c) Finger Printing
(d) Genetic Engineering and medicines.
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