You are out working in your garden, and you notice that one of your favorite flowering plants has black, dead spots on the leaves. You immediately suspect that the plant has been invaded by a pathogen and has initiated a(n) ________.
A) avirulence response
B) hypersensitive response
C) resistance response
D) virulence response

Question

Quizplus · Accepted Answer

The black, dead spots on the leaves suggest that the plant has been invaded by a pathogen and has initiated a hypersensitive response. The hypersensitive response is a mechanism used by plants to prevent the spread of a pathogen by rapidly killing the plant cells surrounding the infection site to contain the pathogen.

You Are Out Working in Your Garden, and You Notice