Biology·MCQ Practice
Plant Growth and Development — MCQ Practice
NEET UG
Version 1Updated 21 Mar 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.
Q1easy
Which of the following plant growth regulators is a gaseous hormone primarily involved in fruit ripening and senescence?
Q2easy
A plant requires a cold treatment to initiate flowering. This phenomenon is known as:
Q3medium
Which of the following statements about the sigmoid growth curve is INCORRECT?
Q4medium
Which of the following pairs of plant growth regulators are antagonistic in their effects on seed dormancy?
Q5medium
Which of the following is NOT a physiological effect of auxins?
Q6medium
Which of the following statements accurately describes developmental plasticity in plants?