M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Genetics
AGRICULTURE SCIENCE AND SEED TECHNOLOGY
Time: 2½ Hours Max. Marks: 70
Instructions: Section-I, question 1 is compulsory.
Attempt any four questions from Section II
All questions carry equal marks.
Draw neat and labeled diagrams wherever necessary.
Section I
Q.1 Rewrite the sentence after choosing correct answer from the given
alternatives:
07
Bending of plant shoot towards light is called as
Autotropism Gravotropism
Xerotropism Phototropism
Absorption of water by a solid substance for its swelling is called

Osmosis Imbibition
Guttation Diffusion
Azolla is which is used for green manuaring.
Orchid Fern
Mangrove Blue-green algae
Hormone is responsible for bud and seeds dormancy.
Abscisic acid Cytokinine
Auxin Gibberellin
The pressure developed within the protoplasm to stretch the cell wall
is called
Adsorption Turgor pressure
Water potential Water force
Black soil is also called as
Groundnut soil Rice soil
Mango soil Cotton soil
Fruit ripening is caused by
Ethylene ABA
Auxin Gibberellin
Q.1 Define the following terms. 07
Seed dormancy
Plant hormones
Guttation
Transpiration
Bio fertilizers
Salinity stress
Osmosis
Page 2 of 2
SLR-VK-327
Section II
Answer any four of the following:
Q.2 Explain in detail plant and water relation. 14
Q.3 Explain various applications of hormone Auxin. 14
Q.4 Describe soil types of India. 14
Q.5 Write short notes on any two
Add a note on 'Seed testing'.
Write a note on 'Indian Sheep Breeds'.
Explain Physiological and molecular responses of plants to water stress.
14
Q.6 Answer any TWO of the following: 14
Add a note on seed dormancy.
Explain details of Guttation.
Explain 'Importance of livestock in agriculture'.