NTA Abhyas NEET2020BotanyPlant - Growth and DevelopmentPractice
Spraying of juvenile conifers with which hormone hastens the maturity period and thus leading to early seed production?
Options
- AThe hormone which also causes bolting in some plants
- BThe hormone which is activated during deficiency of water
- CThe hormone which is responsible for apical dominance
- DThe hormone which prevents apical dominance is plants
Correct answer
A. The hormone which also causes bolting in some plants
Step-by-step solution
The hormone which also causes bolting in some plants is Gibberellin. Gibberellins are growth promoters. They were first discovered in a fungus Gibberella fujikuroi . There are many gibberellins and they are denoted as GA1, GA2, GA3 and so on. However, GA3 was one of the first gibberellins to be discovered and remains the most intensively studied form. Spraying juvenile conifers with GAs hastens the maturity period, thus leading to early seed production. Gibberellins also promotes bolting (internode elongation just