Question

1. Name the following:
1. Name the machine that can be used for both harvesting and threshing
2 What is the response of a plant towards sunlight known as?
3 A train which has no wheel and uses magnets to float above a track
4 What are the strips of soft iron used to store magnets safety called?​

Answer 1

1. The combine harvester is a machine that is used for both threshing and for harvesting.

• The machine helps in the harvesting of a variety of grains. Apart from this it is also used for reaping and for threshing.

2. Phototropism is the response of a plant towards sunlight.

• This happens when a plant moves away from or when it moves towards a source of light.

3. Maglev trains are the trains that float above a track and have no wheels.

• Such trains are supported by electromagnetic attraction.

4. Keepers are the strips of irons that are used to store magnets.

• It completes a magnetic circuit and this is what it uses to preserve the strength of the iron.

Read more on phototropism here:

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