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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
Write down three unique characteristics of storage structure.
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Answer

For the storage of grains, grain silos are used. The silos are big and tall cylindrical structures. They are provided with outlets at different levels to withdraw the desired stock of grains. They have built in arrangement for aeration, temperature control, protection from insects, rats, birds etc.

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