NEET-XII-Physics
Previous Year Paper year:2017
- #167It takes 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?
(1) Auxin and Ethylene
(2) Gibberellin and Cytokinin
(3) Gibberellin and Abscisic acid
(4) Cytokinin and Abscisic aciddigAnsr: 1Ans : ( 1 )
Sol. Plant hormone auxin induces flowering in
pineapple. Ethylene also helps in
synchronization of flowering and fruit set up
in pineapple.