B.Sc-B.Sc Chemical Technology 2nd Sem Seed Physiology and Seed Production(University of Pune, Pune-2013)
F.Y. B.Sc. (Vocational)
SEAT No. :
[Total No. of Pages : 2
Seed Physiology and Seed Production
(Paper - II) (2008 Pattern)
Time : 3 Hours] [Max. Marks :80
Instructions to the candidates:
1) All questions are compulsory.
2) Figures to the right indicate full marks.
3) Draw neat labeled diagrams wherever necessary.
Q1) Attempt the following:
Comment on germination inhibitors.
Give the chemical composition of seed.
Enlist different types of seed storage products.
What are orthodox seeds?
Comment on quality of irrigation water.
What is roughing?
Comment on land preparation.
What are foundation seeds?
Q2) Attempt any Four of the following: [16]
Comment on preparation of land for transplanting. Explain seed as a basic input in agriculture.
Comment on water and nutrient management in nursery. Explain seedling abnormalities and its causes. Comment on seed deterioration during storage. Explain physiology of seed development.
P.T.O.
Q3) Write notes on (Any four): [16]
Seed ageing.
Invigoration treatment to improve seedling establishment.
Synthetic seeds.
Basal doses.
Previous crop effects.
Characteristics of fertile soil.
Q4) Attempt any Two of the following: [16]
a) Define seed dormancy. Explain various methods to break dormancy.
b) Describe types of seed germination. Add a note on seedling abnormalities.
c) Explain importance of agriculture in high value seed production.
d) Describe various sources of irrigation.
Q5) Define seed vigour. Explain various factors affecting seed vigour and add a
note on physiology of seed vigour. [16]
OR
Define genetic purity of seeds. Explain various methods to maintain genetic
purity of seeds and add note on seed village concept.
| Earning: Approval pending. |
