Class 11 · Biomolecules

Isomerases and Isomer Inter-Conversion — NEET Biology

📚 Practice Concept
📖 NCERT Source

Isomerases: Includes all enzymes catalysing inter-conversion of optical, geometric or positional isomers.

NCERT Biology · Class 11 · Chapter 9 · Paragraph 59
Practice This Concept
QuestionPractice Question

Match the following enzyme classes in Column I with their characteristic reaction types in Column II. COLUMN I (Enzyme Class) A. Oxidoreductase B. Transferase C. Hydrolase D. Lyase E. Ligase F. Isomerase COLUMN II (Characteristic Feature) i. Catalyses inter-conversion of optical, geometric or positional isomers. ii. Catalyses hydrolysis of glycosidic or peptide bonds. iii. Catalyses removal of groups from substrates, leaving double bonds. iv. Catalyses oxidoreduction between two substrates. v. Catalyses the linking together of two compounds with C-O, C-S, or C-N bonds. vi. Catalyses transfer of a group G (other than hydrogen) between a pair of substrates.

Through deep analysis of NEET and NTA, 88 of 90 questions from the NEET 2026 paper were matched straight from the MedicNEET Biology question bank.

88/90
of the NEET 2026 Biology paper matched from the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

88 of 90 NEET 2026 Biology questions traced to MedicNEET10,000+ Biology questionsHindi + English
Free to start · Hindi + English · 10,000+ questions · NEET 2026 pattern
Related Concepts from Biomolecules
📘Practice all 47 NEET PYQs from Biomolecules🔍See full Biomolecules PYQ Analysis