Which of the following best describes the process of winnowing?

Using a sieve to separate grains

Blowing air to separate lighter particles

Sorting grains by hand

Heating grains to remove impurities

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Q1.

What is the primary method used to remove small stones from grains?

Q2.

Which characteristics of particles make handpicking an effective method?

Q3.

When is handpicking considered the best method for separation?

Q4.

Malli picks black peppers from his pulao at lunch. This exemplifies which method of separation?