Question

2. Write T for the true and F for the false statements.
(a) A hoe is a tool used for removing weeds and for loosening the soil.
(b) A cultivator driven by a tractor is used for harvesting and threshing.
(c) Fertilisers are organic chemical substances produced in factories.
(d) Separation of grains from chaff is called winnowing.
(e) Lever system (rahat) is a very useful and efficient system for irrigation
nowadays.
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Answer 1

Answer:

a) True

b) False (Nowadays ploughing is done by a tractor driven cultivator. )

c) False (they are not organic if they are produced in factories by using chemicals)

d) True

e) False (The process rahat or lever system was used to draw out water from wells using animals. the animals are connected to a wheel and when the move the wheel lead rotate and draw water from the well. It is not very useful and efficient as compared to modern way of irrigation.)

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