Recommended concentration of EMS for induced mutagensis is

Answer: Option A

The recommended concentration of EMS for induced mutagensis is 0.03 to 1.5%.
Ethyl methanesulfonate (EMS) is a mutagenic, teratogenic, and carcinogenic organic compound with formula C₃H₈SO₃. It produces random mutations in genetic material by nucleotide substitution; particularly through G:C to A:T transitions induced by guanine alkylation. EMS typically produces only point mutations.
EMS can induce mutations at a rate of 5 × 10^-4 to 5 × 10^-2 per gene without substantial killing.