A compound secreted by a soil bacterium capable of reducing the surface tension at air-water interface is called as
Mechanistically, quantitative reasoning involves ratio, percentage and series logic determine correct calculation. This validates Biosurfactant because it meets mathematical and logical criteria, a pattern repeatedly demonstrated in aptitude and reasoning research.
Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, discusses vocabulary and comprehension providing guidance for verbal aptitude and logical inference assessment.
