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Agriculture · Q39

Plant Pathology

Graduate and Post Graduate · Agriculture · question 39

Q39

PR-9 has the property of

A.
Thionine
B.
Peroxidase
Answer
C.
Defensin
D.
Endoproteinase

Answer: Option B

Solution

Answer: Option B
Solution:
PR-9 has the property of Peroxidase.
Pathogenesis-related (PR) proteins are proteins produced in plants in the event of a pathogen attack. They are induced as part of systemic acquired resistance.
Pathogenesis-related proteins, often called PR proteins, are structurally diverse groups of plant proteins that are toxic to invading fungal pathogens.
PR-9 is Haem peroxidase has Tobacco lignin forming peroxidase.