A) bonded labour.
B) land grants made to military officers.
C) waterwheel used in the irrigation of land.
D) wasteland converted to cultivated land.
Correct Answer: C
Solution :
Exp. [c] In Sanskrit, the word Araghatta has been used in the ancient texts to describe the Persian Wheel. The 'ara-ghatta' comes from the combination of the words 'ara' meaning spoke and 'ghatta' meaning pot. There is evidence to argue that this system of lifting water from open wells was probably invented in India of the past. With its use also in Iran, the then Persia, and perhaps its discovery there, it came to be called the Persian wheel.
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