Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Organic Chemistry – Some Basic Principles and Techniques Classification, Nomenclature, Isomerism
Which natural bioactive water-soluble phenolic compound is present in Fruits, vegetables, and grains with red, purple, blue, or black hues?
1
Coumarins
2
Anthocyanins
3
Quercetin
4
More than one of the above
5
None of the above