The use of induced mutation in crop improvement is called:

Correct option is B

✅ (b) Mutation breeding: • It involves the use of physical or chemical mutagens to develop desirable traits. • Common mutagens include gamma rays and EMS. • Used in crops like groundnut, rice, and wheat.
❌ (a) Polyploidy breeding: • Involves increasing chromosome number, not directly mutation.
❌ (c) Heterosis breeding: • Involves hybrid vigor through crossbreeding, not mutation.
❌ (d) Molecular breeding: • Uses molecular tools like markers, not induced mutations directly.