Question

I. “Y” hormone induces flowering in mango and also promotes rapid internode/petiole elongation in deep water rice plants and hence helping leaves or upper part of shoot above water.

II. “X” hormone promotes root growth and root hairs formation

III. “Z” hormone inhibits the seed germination, increases the tolerance of plant to various stresses, play important role in seed development, maturation and dormancy.

Identify the correct names of hormones

• A. Y = ABA; X = Auxin; Z = GA
• B. Z = GA; X = Auxin; Y = C₂H₄
• C. Y = Auxin; X = C₂H₄; Z= GAA
• D. Y = C₂H₄; X = C₂H₄ Z = ABA

Answer 1

Answer: (D)

Y = C₂H₄; X = C₂H₄ Z = ABA