Types of separation

What is the primary purpose of winnowing in farming

• To water crops

• To separate grain from chaff

• To plant seeds

• To harvest crops

How is winnowing typically done?

• Winnowing is done by grinding the grain into flour.
• Winnowing involves soaking the grain in water to separate it.
• Winnowing is performed by shaking the grain in a container to mix it.
• Winnowing is done by pouring grain and chaff into the air to let the wind separate them.

What is the difference between winnowing and threshing?

• Winnowing separates chaff from grain; threshing separates grain from husks.
• Winnowing is used for drying grain; threshing is for cleaning it.
• Winnowing involves crushing grain; threshing involves boiling it.
• Winnowing is a method of planting seeds; threshing is a method of harvesting crops.

Which of the following is commonly sieved in the kitchen

• Salt

• Rice

• Flour

• Vegetables

What type of material is typically removed when sieving sand or salt

• Organic matter
• Water content
• Larger particles or impurities
• Fine dust particles

What is a traditional method of threshing

• Using a mechanical harvester
• Beating the crop with a stick or flail

• Hand-picking the grains
• Burning the crop to separate the grain

Threshing is the process of separating the ____ from the crop

Windowing improve the quality of a grain by removing unwanted ___

• textures
• flavors
• particles

• nutrients

Threshing helps in getting the seeds from crops like ___, rice, and barley

• wheat
• oats
• sorghum
• corn

In ancient times, threshing was often done by ___

• machines or robots
• water or wind
• hand

• fire or electricity