Question

maximum seed germination can be achieved by treating the seeds with
A)auxin
B)gibberellins
C)Abscisic acid
D)ethylene
​

Answer 1

a)Auxin is the answer

Answer 2

The maximum speed germination can be achieved by treating the seeds with B)gibberellins.

• Auxin, gibberellins, abscisic acid and ethylene are plant growth hormones.
• Auxin when applied to the plant it promotes root growth.
• Auxin can be artificial like 2-4D and also be synthesised in plants.
• Cytokinin helps shoot formation when applied in the correct ratio.
• Ethylene makes fruit ripen early.
• Gibberellins help the plant in breaking seed dormancy.
• Abscisic acid is known for its effect on promoting seed dormancy.

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