Which of the following are not secondary metabolites in plants?

1. A. Amino acids, glucose
2. B. Vinblastin, curcumin
3. C. Rubber, gums
4. D. Morphine, codeine

Attempt this NEET 2021 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.