Mark the purpose of a sickle from the following.
Find the correct match of both the columns.
Machine/tool used Purpose
(i) Sickle (a) Separating grain and chaff (ii) Harvester (b) Harvesting and threshing (iii) Winnowing machine (c) Manual harvesting (iv) Combine (d) Mechanical harvesting
The process of beating out grains from the harvested wheat crop are beaten :
(a) beating (b) crushing (c) threshing (d) weeding