NEET Botany Growth Regulators MCQ Question
Which of the following combinations correctly describes the roles and characteristics of plant growth regulators?
Plant growth regulators are small molecules that influence growth and development; they include auxins and gibberellins.
Plant growth regulators are solely responsible for root growth and do not affect other plant organs.
Plant growth regulators only operate in the presence of light and temperature; otherwise, their effects are nullified.
Plant growth regulators can be classified into groups based on their chemical composition, impacting diverse physiological processes.
Correct Answer
Detailed Explanation
Plant growth regulators (PGRs) are indeed small molecules that play a crucial role in influencing various growth and developmental processes in plants, including auxins and gibberellins as examples. The NCERT context highlights that they are involved in growth and differentiation, demonstrating their diverse functions.
Found an issue with this question?