Which of the following is not a method of the perpetuation of disease by the pathogen?

Practice MCQ for SSC, UPSC, RRB Exams

A. The entry of pathogen through natural openings A.
B. Reproduction by pathogen B.
C. Reducing the quantity of yield C.
D. Direct penetration of the pathogen D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

"Reducing the quantity of yield" is not a method of perpetuation of disease by a pathogen, but rather a consequence of the disease. Pathogens perpetuate themselves by entering hosts, reproducing, and spreading. Reducing yield is a negative outcome for the host plant caused by the pathogen's infection, not a mechanism by which the pathogen continues to spread.
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