Question

Ultra violet radiation

Answer 1

Answer:

B) mutagens

Explanation:

Mutagens are substances that causes mutation. Mutation involves alteration of the genetic materials of an organism.

Substances such as ultra-violet radiation, x-rays, nitrous acid, viruses, fungal-infections e.t.c leads to the physical, chemical and biological alteration of genetic sequences to produce a mutant. A mutant is an organism whose genetic sequence has been altered.

Note: Pathogens are disease causing organisms. Vectors are carriers of pathogens.