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A small amount of curd added to fresh milk acts as a:
AStarter
BFilter
CCoolant
DSweetener
Answer & Solution
Correct answer: A. Starter
1. The added curd already holds millions of bacteria.
2. Those bacteria multiply in the fresh milk.
3. So the curd acts as an inoculum, or starter.
_Source: NCERT Class 12 Biology, Chapter 10, Microbes in Human Welfare._
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