AGRICULTURE
28
PAPER-I
Time Allowed Three hours Maximum Marks 300
The figures in the margin indicate full marks for the questions
Answer Question Nos. 1 and, 5 which are compulsory and any three from the remaining questions, selecting at least one from each Section
SECTION-A
1. Write notes-on any five of the following in about 120 words each: 12x5=60

Environmental pollution caused by used in Agriculture


Effect of temperature on crop growth


Impact of high yielding varieties on shifts in cropping pattern


Intercropping


Reclamation of problem soils


Beneficial elements


Classification of Indian soils


2.
What are weeds? Give an account of the biological and chemical control of weeds. • 60

3.
Explain how physical and social environment can be important factors for crop distribution and production. 60

4.
What are essential elements? Explain the role of nitrogen in crop productivity. How does fixation of atmospheric nitrogen occur? 60


[P.T.a.

5. Write notes on any five of the following in not more than 120 words each: 12x5=60

Soil erosion


Drip and sprinkler irrigation


Role of cooperatives in agricultural economy


. Dryland agriculture


Quality of irrigation water


Marketing of agricultural products


6.
Write an essay on soil and water pollution caused by industrial effluents and its impact on-agriculture. 60

7.
What are the major types of agriculture used in the world today? Describe the components of modem industrialized agriculture. 60

8.
Give an account of the importance of agricultural extension. How are extension programmes evaluated? 60



2 12RQ-100