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प्रश्न
Which of the following is the only gaseous plant growth regulator?
विकल्प
ABA
Cytokinin
Ethylene
Gibberellin
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उत्तर
Ethylene
Explanation:
It is the only gaseous growth regulator. Denny (1924) reported ethylene is effective in fruit ripening. Gane (1934) established that plants naturally synthesize ethylene.
APPEARS IN
संबंधित प्रश्न
Name the gaseous plant hormone. Describe its three different actions in plants.
Compound which is most widely used as a source of ethylene is ____________.
Synthesis of ethylene takes place in ______
In which of the following cases ethylene (gaseous phytohormone) synthesized in large amounts by tissues?
- Ripening of fruits
- Senescence
- Cell division promoting activity
- Actively growing apices of stems and roots.
Describe physiological effects and applications of gaseous hormones in plants.
Ethylene is synthesised in ______.
Explain the role of chlorophyllase enzyme in banana.
What is epinasty?
The hormone which promotes the ripening of fruits is ______.
Which hormone promotes internode/petiole elongation in deep water rice?
