Wednesday 25 February 2015

AGRICULTURE – 2003, PART II



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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