Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
Apical dominance in plants is caused by
BiologyPlant - Growth and DevelopmentNEET
Options:
  • A high concentration of auxins in the terminal bud.
  • B high concentration of gibberellins in the apical bud.
  • C high concentration of auxins in the lateral bud.
  • D absence of auxins and gibberellins in the apical bud.
Solution:
2379 Upvotes Verified Answer
The correct answer is: high concentration of auxins in the terminal bud.
Apical dominance is the phenomenon in which main axis or terminal bud continuous to grow suppressing the growth of lateral bud. High concentration of auxin in the terminal bud promotes its growth and it increases ethylene formation in lateral bud which suppresses its growth.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play