Factors which can induce genetic mutations in organisms are called

The correct option is B Mutagens
Mutagens are certain chemical or physical factors which change the structure or sequence of DNA. For example, U.V. rays, X-rays, superoxide, hydroxyl radicals and hydrogen peroxide.
A mutant is an organism or a new genetic character arising or resulting from an instance of mutation.
Muton is the smallest unit of DNA at which mutation can occur, usually identified as a single pair of nucleotides.