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1. Salt is added as a preservative in pickles.
a. Addition of salt removes the content in the food through the process of .
b. There is also a reduction in the activity of the .
2. We should not eat food items beyond the expiry date.
a. is the date up to which food has physical stability and does not loose its texture.
b. It is the date before which the food needs to be consumed to gain the complete nutritional value. Till expiry date, the food has stability.
c. Beyond the expiry date, are produced by bacteria or by the enzymes.
3. Deficiency of calcium in diet leads to poor skeletal growth.
a. Deficiency of calcium in the diet leads to soft and weak .
b. It causes bone , poor skeletal growth, and in adults.
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