D. Short answer type questions
1. Give two examples each of kharif and rabi crops.
2. Define broadcasting.
3. Which type of seeds float on the surface when put in water?
4. What is manuring?
5. Write the major sources of irrigation of crop fields.
6. What is crop rotation?
7. Write the methods of weed removal.
8. What are sprinklers?
9. What are milch animals?
10. What is poultry farming?
Answers
Answer:
(1) kharif crop: maizand millet, rabi crops: wheat , barley and oats.
(2) broadcasting means to sent out radio aur television programs.
(3) mum2 seeds flows at water surface.
(4) manuring: apply manure to land.
(5). tank water irrigation system,
. well water irrigation.
(6) growing of different crops in succession on piece of land to avoid exhausting the soil.
1.Kharif crops - Rice,maize
Rabi crops - wheat,barley
2.Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model.
3.mum2 seeds float at the water surface.
4.Manuring-excrement, especially of animals,
or other refuse used as fertilizer. any natural or artificial substance for fertilizing the soil.
5.The 'sources of water for irrigation' can include grey-water sources, groundwater sources, surface water sources, industrial process waste-waters, groundwater sources, municipal water supplies, and other water sources used in agriculture.
6.Crop rotation is the practice of growing a series of different types of crops in the same area across a sequenced of growing seasons. ... Additionally, crop rotations can improve soil structure and organic matter, which reduces erosion and increases farm system resilience.
7.Methods of weed removal are
By spraying weedicides
Folier spraying
Basal Bark Spraying
8. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.
9.Answer: Milk-producing livestock, e.g. buffaloes, cows, camels and goats are known as milch animals. Goat milk is nutritious and often preferred to cow milk. ... Buffaloes are the principal source of milk India.
10.Poultry farming is the form of animal husbandry which raises domesticated birds such as chickens, ducks, turkeys and geese to produce meat or eggs for food. It has originated from the agricultural era. Poultry – mostly chickens – are farmed in great numbers.
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