Which of the following amino acid is not optically active?

1. A. Glycine
2. B. Proline
3. C. Serine
4. D. Leucine

Attempt this NEET 2017 Chemistry 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.