Class 8 science chapter 1 extra questions part 5

Q. 1. What do you understand by the term ‘winnowing’?
Answer: Winnowing is a manual method of separating grains from the chaff (covering 
of the seed) with the help of wind.
Q. 2. The gain seeds are carried out from the chaff with the help of which 
machine?
Answer: Separation of grain from the chaff is threshing. Threshing is done with the help 
of a machine called ‘combine’. This machine is actually a combination of a harvester 
and a thresher.
Q. 3. Name the government agency which buys food grains from farmers.
Answer: Food Corporation of India (FCI) purchase food grain from farmers.
Q. 4. Give the other name of milk yielding animals.
Answer: The animals such as cow, buffalo, and goat give milk. Milk yielding animals 
are called ‘milch animals’.
Q. 5. Nutritive honey is obtained from which animal?
Answer: Honey is obtained from the honeybee. A honeybee collects a sweet substance 
called nectar from flowers to make honey.

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