Plant Growth and Development
- What breaks bud dormancy of potato tuber?
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IAA promotes apical dominance. ABA induces dormancy in buds.
Correct Option: A
IAA promotes apical dominance. ABA induces dormancy in buds.
- Hormone responsible for senescence
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ABA or Abscisic acid is responsible for leaf fall or senescence.
Correct Option: A
ABA or Abscisic acid is responsible for leaf fall or senescence.
- Which of the following prevents fall of fruits?
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NAA or Naphthalene Acetic Acid is synthetic auxin. It is used to check fruit fall specially in tomato.
Correct Option: B
NAA or Naphthalene Acetic Acid is synthetic auxin. It is used to check fruit fall specially in tomato.
- Removal of apical bud results in
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Apical buds inhibit lateral branching due to apical dominance. Removal of apical bud promotes lateral branching.
Correct Option: D
Apical buds inhibit lateral branching due to apical dominance. Removal of apical bud promotes lateral branching.
- Which is employed for artificial ripening of banana fruits?
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Ethylene is a plant hormone which has the most remarkable effect of stimulation of fruit ripening.
Correct Option: C
Ethylene is a plant hormone which has the most remarkable effect of stimulation of fruit ripening.
