Q-1 Answer the following in brief:
a) What are the useful characteristics that are considered for crop variety improvement / Plant breeding?
b) What is organic farming? What are the advantages of organic farming over conventional farming?
c) What are the desirable agronomic characteristics for :
i) Fodder crops
ii) Cereals
Give reasons for your answer.
d) What are weeds? Give two examples. Discuss two methods of weed control.
e) How is the problem of ‘lack of good quality seed’ overcome by the fish farmers?
f) What are the desirable characters of bee varieties suitable for honey production?
g) What are the desirable traits in poultry farming?
Q-2 Define the following terms giving examples:
a) genetically modified crop b) Crop Rotation c) Animal Husbandry
d) Pasturage
Q-3 Differentiate between:
a) Capture fishing, Mariculture, Aquaculture
b) Manure and fertilizer
c) Intervarietal, interspecific and intergeneric crossing
d) Macronutrients and micronutrients (Give examples also and write why they are known by these names)
e) Compost and green manure
f) Short Duration and long duration crops
g) Intercropping , mixed cropping
h) Milch animals and draught animals.
i) Roughage and concentrates
j) Broilers and layers
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