Advertisements
Advertisements
प्रश्न
Which of the following is the only gaseous plant growth regulator?
पर्याय
ABA
Cytokinin
Ethylene
Gibberellin
Advertisements
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
To increase the sugar production in sugarcanes they are sprayed with ______
Which hormone is produced mostly in all parts of a plant?
Which phytohormones is called secondary hormone?
Describe physiological effects and applications of gaseous hormones in plants.
A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regulation can be applied to achieve this?
Ethylene is synthesised in ______.
Explain the role of chlorophyllase enzyme in banana.
Pick up the right options and complete the chart given below and rewrite:
(Options: Antitranspirant, Ethylene, Auxin, ABA, Apical dominance, Gibberellins, Cytokinin, NAA.)
| Sr. No. | Hormone | Example | Function |
| 1 | ____________ | IAA | Cell elongation |
| 2 | Auxin | IBA | ____________ |
| 3 | Stress hormone | ____________ | Delay cell division |
| 4 | ____________ | Zea tin | Cell division |
| 5 | Abscissic acid | ABA | ____________ |
| 6 | Auxin | ____________ | Flowering in pineapple |
What is epinasty?
Name the following:
A gaseous plant hormone which promotes the ripening of fruits.
