Time Allowed: Three Hours maximum Marks: 200
Candidates should attempt Questions 1 and 5 which are
compulsory, and any THREE of the remaining questions selecting at least ONE
question from each Section.
SECTION A
1.
Write short notes on any four of the following
in about 150 words each:
(a)
Sun drying and osmo-dehydration of fruits and vegetables.
(b)
Plasmolysis and osmosis in plants
(c)
Role of growth retardants in horticulture
(d)
Landscape gardening and garden architecture
(e)
Use of chemotheraputants for the control of
plant diseases.
2.
Answer the following in about 150 words each.
Discuss the novel application of horticultural
products in:
(a)
Biodiversity
(b)
Botanical Gardens
(c)
Research, extension and education in relation to
knowledge transfer
(d)
International trade and marketing
3.
Answer the following in about 150 words each:
(a)
Define Chimera and its significance in
horticulture.
(b)
How the mutants occur in nature? Discuss their
significance in field crops.
(c)
What are the limitations for breasting of fruit
crops? Name important commercial hybrids developed in sub-tropical fruits
through breeding.
(d)
Describe the Mendel’s laws of inheritance.
Discuss the principles of dominance.
4.
Answer the following in about 50 words each:
(a)
Define- the integrated Pest Management in
agriculture. List four important pests each of sugarcane and cotton, their
nature of damage and control.
(b)
Define arid-zone horticulture. Name fruits frown
commercially under this condition, their scientific names and important
commercial cultivars.
(c)
What are the factors responsible for spoilage of
fruits and vegetables during storage? Discuss the methods to minimize this
spoilage.
(d)
Define the terms monoecious and dioeciously with
examples of fruits. Discuss their significance in breeding.
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