Which phytohormone promotes falling of old leaves whereas inhibits falling of young leaves?
- A$ABA$
- BCytokinin
- C$GA$
- DAuxin
Explore More
Similar Questions
One of the commonly used plant growth hormones in tea plantations is
MediumAIPMT 2010
View SolutionIn plants,the precursor of auxins is:
Plants with zinc deficiency show reduced biosynthesis of $..........$
Medium
View SolutionWhich hormone is responsible for apical dominance?
Easy
View SolutionHighest concentration of auxins exists in
MediumAIPMT 1990
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo