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Questions and Answers
What is the main difference between basal resistance and specific resistance in plants?
What is the main difference between basal resistance and specific resistance in plants?
- Basal resistance occurs in roots, while specific resistance occurs in leaves.
- Basal resistance only targets viruses, while specific resistance targets bacteria and fungi.
- Basal resistance is non-specific, while specific resistance is pathogen-specific. (correct)
- Basal resistance is stronger against pathogens, while specific resistance is weaker.
What triggers a hypersensitive immune response in plants when infected?
What triggers a hypersensitive immune response in plants when infected?
- Increased water uptake by the plant.
- Enhanced growth of the infected area.
- Rapid cell death at the infection site. (correct)
- Activation of photosynthesis in the affected cells.
How do siRNAs protect plants against pathogens?
How do siRNAs protect plants against pathogens?
- By enhancing pathogen virulence.
- By promoting pathogen growth and replication.
- By degrading specific pathogen messenger RNAs. (correct)
- By binding directly to pathogens' cell walls.
What evolutionary adaptation distinguishes biotrophic from necrotrophic pathogens?
What evolutionary adaptation distinguishes biotrophic from necrotrophic pathogens?
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How have plants evolved to resist herbivory?
How have plants evolved to resist herbivory?
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