Q. 3 Answer the following questions:
a) In which month Kharif crops are harvested ?
b) In which season Rabi crops are sown?
c) Why are pesticides used ?
d) Reena and her family recently harvested their wheat crops. But the crops had
both wheat grains and chaff. How should they separate wheat grains ?
e) Classify the following irrigation methods into traditional and modern methods.
Drip system, rahat , well, sprinkler system. , dhekli
f) Give two examples of each of the following:
(i) Kharif crops
(ii) Rabi crops
(iii) Milch animals
(iv) Poultry animals
Answers
Answer:
a) Kharif crops are the crops which are sown at the beginning of the rainy season, e.g. between April and May.
b) Rabi crops are the crops that are sown at the end of monsoon or at the beginning of winter season, e.g. between September and October
c) Pesticides are used to kill insects that are attacking the plants
d) It can be separated by winnowing or threshing.
e) All of them are traditional methods
f) i) Rice and Maize
ii) Barley and Oats
iii) Cow and Goat
iv) Chicken and Duck
Answer:
a) Kharif crops are harvested in winter.
b) Rabi crops are sown after the departure of monsoon season mainly in late October or early November.
c) Pesticides are used by farmers in farms to decrease the increasing pests.
d) Wheat grains and chaff can be removed by method of Winnowing.
e) Traditional methods- rahat, well and dhekli.
Modern methods- drip system and sprinkler system
f)Kharif crops- corn and rice
Rabi crops- barley and peas
Milch animals- cow and buffalo
Poultry animals- chicken and emu