Question

167. It 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 acid

Answer 1

Answer:

(1)auxin and ethylene

Explanation:

auxin promotes cell growth whereas ethylene accelerates ripening process

Answer 2

Answer:

Explanation:

Out of combination of hormones that can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield is Auxin and Ethylene.

Both hormones are also helpful for the flowering and fruits synchronization. They are responsible for growth and maturation as well.

Auxin is a growth hormone that promotes cell division and ethylene helps in increasing root growth and absorption surface area for plants.