Which modern machine harvests, threshes and winnows in the field?
ARotary seed drill
BCombine harvester
CPaddy rice huller
DTractor plough
Answer & Solution
Correct answer: B. Combine harvester
1. Recall the idea: The combine harvester does all three jobs while the grain is still in the field.
2. The correct choice is: Combine harvester.
3. The other options describe different methods or properties and do not fit this fact.
_Source: Wikipedia, Threshing_
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