Production and Management
Q23. Why proper storage of crop products is important?
storage of crop products is important to prevent them from spoilage.
Q24. Give some examples of Kharif crop.
of kharif crops are Paddy, maize, soyabean, groundnut, cotton, etc.
Q25. What are the benefits of eating fish?
Ans. Fish is good for health. We get cod liver oil
from fish which is rich in vitamin D.
Q26. How do fertilisers help farmers?
The use of fertilisers has helped farmers to get better yield of crops such as
wheat, paddy and maize.
Q27. How are crops categorised in India?
In India, crops can be broadly categorised into two types based on seasons -
rabi and kharif crops.
Q28. How is harvesting done in India?
Harvesting in our country is either done manually by sickle or by a machine called
Q29. What is winnowing?
Ans. After threshing, grains are separated from chaff
with help of wind. This process is called winnowing.
Q30. List some festivals that are associated with the harvest
Special festivals associated with the harvest season are Pongal, Baisakhi,
Holi, Diwali, Nabanya and Bihu.
Q31. What is crop rotation?
Crop rotation is a method of replenishing the soil with
nutrients by growing different crops alternately.
Q32. Why should excessive supply of water to plants be avoided?
supply of water to plants should be avoided because roots get damaged and the
Q33. Why some seeds float on water?
Damaged seeds become hollow and are thus lighter. Therefore, they float on
Q34. Why does farmer rotate crops in the field?
Farmer rotates crops in the field because crop rotation helps in the
replenishment of the soil nutrients.
Q35. What are the different sources of irrigation?
Sources of irrigation: The sources of irrigation are— wells, tubewells, ponds, lakes,
rivers, dams and canals.
Q36. What is the right time to spray weedicides?
The weedicides are sprayed during the vegetative growth of weeds before
flowering and seed formation.
Q37. How is threshing carried out?
Threshing is carried out with the help of a machine called ‘combine’ which is in
fact a combined harvester and thresher.
Q38. What are the advantages of using manure in crop fields?
use of manure improves soil texture as well as its water retaining capacity. It
replenishes the soil with all the nutrients.
Q39. In summer, the frequency of watering is higher. Why is it so?
In summer, the frequency of watering is higher due to the increased rate of evaporation
of water from the soil and the leaves.
Q40. Why does the loosening of soil allow the roots to breathe easily?
Loosening of soil allow the roots to breathe easily because air fill up the
spaces between the soil particles and provides airy soil to the roots.