MCAER PG CET 2026 PLANT PATHOLOGY
MCAER PG CET 2026 - Plant Pathology MCAER PG CET 2026 Plant Pathology Specialist Quiz Time Remaining: 100 s 1. The "Gene-for-Gene" hypothesis, which posits that for every resistance gene in the host there is a corresponding avirulence gene in the pathogen, was first demonstrated in: A. Puccinia graminis tritici / Wheat B. Melampsora lini / Flax C. Phytophthora infestans / Potato D. Ustilago maydis / Maize Explanation: H.H. Flor (1942) proposed this while working with Flax Rust (Melampsora lini). 2. [PYQ 2021] Which of the following chemical groups does 'Metalaxyl' belong to, and what is its specific mode of action? A. Benzimidazoles - Tubulin polymerization B. Phenylamides - RNA Polyme...