This quiz works best with JavaScript enabled. Home > Plant > Pathology > Plant Pathology – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Pathology Quiz 2 (3 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a pure culture? A) A mixed group of colonies. B) A group of few dis-similar bacteria. C) A colony of single bacterium. D) Only one bacterium. Show Answer Correct Answer: C) A colony of single bacterium. 2. Rice tungro virus is transmitted by A) Aphids. B) Whitefly. C) Thrips. D) Green Leafhopper. Show Answer Correct Answer: D) Green Leafhopper. 3. Visible effects of disease on plants are called ..... A) Signs. B) Symptoms. C) Both. D) None. Show Answer Correct Answer: B) Symptoms. ← PreviousRelated QuizzesPlant QuizzesPlant Pathology Quiz 1Principles Of Plant Pathology Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books