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Q1-The life cycle of silk moth starts when a female silk moth lays eggs. The caterpillar or larvae are hatched from the eggs of the silk moth. The silkworms feed on mulberry leaves and give rise to pupa. ... After that it swings its head, spinning a fibre made of a protein and becomes a silk fibre.
Q2-1. De-starch a potted plant by putting it in complete darkness for two days.
2. Fill partly a wide-mouthed bottle with strong solution of caustic potash and fit a split cork on its mouth.
3. Insert about half of the portion of a leaf of the de-starched plant into the bottle through the split cork
Demonstration of Moll's half-leaf experiment
4. Place the whole apparatus in light after applying grease on the upper portion of split cork, and test the leaf for stach after about 10 hours.