Advertisements
Advertisements
प्रश्न
The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following questions:
- Name the scientific phenomenon that is being overcome by pruning.
- What plant hormone is responsible for the scientific phenomenon mentioned in (a)?
- Name one plant hormone which inhibits the said phenomenon.
Advertisements
उत्तर
- Apical dominance
- Auxins is responsible for the scientific phenomenon mentioned in (a)
- Cytokinins
संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Apical dominance phenomenon is caused by
Common gibberellin is
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
Write full form of 2,4-D
The active ingredient of Agent Orange is an egual mixture of two phenoxy herbicides ____________.
Apical dominance refers to ____________.
Flowering in pineapple is promoted by ____________.
The only phytohormone which is a gas at ordinary temperature:
The box given below contains twelve words. Out of these, ten can be arranged in five suitable matching pairs. Make these five pairs in the form of a table.
| Auxins, Abscisic acid, Fruit ripening, Cytokinins, Closure of stomata, Parthenocarpy, Ethylene, Gibberellins, Tropism, Stem elongation, Cuscuta, Cell division. |
