Which of the following are not secondary metabolites in plants?
- Morphine, codeine
- Amino acids, glucose
- Vinblastin, curcumin
- Rubber, gums
Solution
Amino acids and glucose are not considered secondary metabolites. They are primary metabolites.
- Morphine and codeine are alkaloids.
- Rubber and gums are polymeric substances and are secondary metabolites.
- On the other hand, vinblastin, curcumin etc. are drugs obtained from plants.
All these are considered as secondary metabolites in plants.
Asked in: NEET 2021