/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 13 : Plant Growth and Development This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 The root cap perceives Light Water Gravity stimulus Oxygen 2 / 10 Ethephon is a commercial source of: Gibberellin ABA Cytokinin Ethylene 3 / 10 Ethylene promotes female flowers in: Maize Sugarcane Rice Cucumber 4 / 10 A single maize root apical meristem can form how many new cells per hour? 1750 17500 35000 350000 5 / 10 Growth rate refers to Decrease per unit time Increase per unit time Cell death per unit time Water loss per unit time 6 / 10 In plants, sigmoid growth curve has how many phases? 2 3 4 5 7 / 10 Dedifferentiation means Specialized cells die Differentiated cells regain ability to divide Meristematic cells lose division Cells mature permanently 8 / 10 Growth in plants is defined as Temporary increase in size Reversible change Irreversible permanent increase in size Random metabolic activity 9 / 10 Plant Growth Regulators (PGRs) are Intrinsic chemical factors External environmental factors Enzymes Nutrients 10 / 10 Gravitropism in roots is influenced by Water Oxygen Temperature Gravity Your score is 0% Restart quiz
