This quiz works best with JavaScript enabled. Home > Agriculture > Plant Genetics > Heredity Variation > Plant Genetics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Genetics Quiz 1 (3 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A root grows downward in a response to an ..... stimulus A) Internal. B) Geotropism. C) Phototropism. D) External. Show Answer Correct Answer: D) External. 2. Homeostasis ..... A) The ability to maintain a stable internal environment (type of equilibrium or balance). B) A stimulus from inside an organism. C) How an organism reacts to a change. D) A stimulus from outside an organism. Show Answer Correct Answer: A) The ability to maintain a stable internal environment (type of equilibrium or balance). 3. What is this definition of:determining differences in the genotype of an individual organism by examining its DNA & comparing it to a reference sequence of another organisms sequence. A) Progeny testing. B) Genotyping. C) Phototyping. D) Genetic engineering. Show Answer Correct Answer: B) Genotyping. Related QuizzesPlant Genetics QuizzesAgriculture Quizzes 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books