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Doctors Medicines MCQs Q&A

Mention a change which is always

1. Desirable 

2. Undesirable 

3. Periodic

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1 Answers

1. Desirable: Changes that are useful to man are desirable changes, e.g. change of milk into curd.

2. Undesirable: Change that brings about destruction is an undesirable change, e.g. floods and epidemics are undesirable changes.

3. Periodic: Changes that are repeated at regular intervals of time are called periodic changes, e.g. change of day and night.

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