Race specific resistance called

A. Vertical resistance

B. Horizontal resistance

C. Adult plant resistance

D. Apparent resistance

Answer: Option A

Solution(By Examveda Team)

Race-specific resistance is called Vertical resistance.
Race-specific or vertical resistance implies resistance to some pathogen isolates and not to others and is relatively simply inherited.
A plant variety that exhibits a high degree of resistance to a single race, or strain, of a pathogen is said to be vertically resistant; this ability usually is controlled by one or a few plant genes.