NEET Botany Plant Growth and Development Questions Solved

NEET - 2017

Fruit and leaf drop at early stages can be prevented by the application of 
(a) Cytokinins
(b) ethylene
(c) auxins
(d) gibberellic acid 

Audio Explanation:

(c) Auxin delay abscission of leaves and fruits at early stages. Whenever leaf or fruit fall occurs, the organ concerned stops producing auxin. However, it promotes abscission of older, mature leaves and fruits

Difficulty Level:

  • 19%
  • 15%
  • 49%
  • 19%