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1. Some leaves which are not green also make their own food since they contain a little amount of chlorophyll. By doing the starch test, If a leaf had performed photosynthesis, it will turn blue-black indicating the presence of starch stored in it.
2. Production process -
Extracting raw silk starts by cultivating the silkworms on mulberry leaves. Once the worms start pupating in their cocoons, these are dissolved in boiling water in order for individual long fibres to be extracted and fed into the spinning reel.
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