Quiz: Host Plant Resistance MCQ Host Plant Resistance MCQ. Topics: Defence machanism, objectives of HPR, SAR, pathogen effector, disease triangle, PTI, ETI, PPR, ISR, other important topics. Also read: Entomology Multiple Choice Questions and Answers Type Multiple choice objective questions Number of questions 30 Question 01. What is host plant resistance? (a). Defence machanism of… Continue reading Quiz: Host Plant Resistance MCQ