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NEET 2019
Exam
NEET
Year
2019
Subject
Botany
Chapter
Plant - Growth and Development

NEET 2019 · Botany · Plant - Growth and Development

It takes a very long time for pineapple plants to produce flowers....

It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Options

  1. AAuxin and ethylene
  2. BGibberellin and abscisic acid
  3. CGibberellin and ethylene
  4. DCytokinin and abscisic acid

Correct answer

A. Auxin and ethylene

Step-by-step solution

The gibberellins, cytokinins and auxins are found to be growth stimulators, whereas ethylene and abscisic acid are determined as growth inhibitors. The function of cytokinin is the stimulation of cell division, growth of lateral buds and apical dominance. Functions of gibberellins are to stimulate stem elongation. Auxin and ethylene are responsible for the flowering and fruiting in pineapple.
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