Biology · Synthetic Fibres and Fabrics
Students entering Grade 8 have studied the NCERT Grade 7 science curriculum. Based on the learning outcomes of the prior grades, which of the following processes are they expected to NOT be familiar with yet?
- 1Process of rearing silkworms to extract silk threads
- 2Processing of natural fleece from sheep into woollen yarn
- 3Chemical processing and polymerization of synthetic fibres into articles✓
- 4Separation of cotton fibres from seeds by ginning
Correct answer
Chemical processing and polymerization of synthetic fibres into articles
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