Multiple Choice
You are out working in your garden, and you notice that one of your favourite 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
Correct Answer:

Verified
Correct Answer:
Verified
Q16: A particular species of virus carries a
Q21: For a plant to initiate chemical responses
Q25: What are the primary sites of auxin
Q33: The hormone that helps plants respond to
Q46: Which one of the following hormones regulates
Q51: If a farmer wanted more loosely packed
Q52: Which of the following conclusions is supported
Q53: Which of the colours of visible light
Q54: A population of plants experiences several years
Q58: The signalling molecule for flowering might be