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A macromolecule formed by the regular repetition of a small unit is called a:
ACatalyst
BPolymer
CIsomer
DMonomer
Answer & Solution
Correct answer: B. Polymer
1. Macromolecules are built by joining many small units in a regular manner.
2. The repeating small unit is called the monomer.
3. The large molecule formed by regular repetition of that unit is called a polymer.
4. Rule out D: the monomer is the small repeating unit, not the whole large molecule.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 9 "Carbon Compounds", p.140_
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