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Biology · PYQ NEET UG 2019(1)

हिन्दी

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. Gibberellin and Abscisic acid
  2. Cytokinin and Abscisic acid
  3. Auxin and Ethylene
  4. Gibberellin and Cytokinin

Correct answer · Option 3

Auxin and Ethylene

Explanation

Auxins (like NAA) and Ethylene are widely used commercially to induce uniform flowering and fruiting in pineapple plants.
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