Advertisements
Advertisements
Question
Common gibberellin is
Options
GA1
GA2
GA3
GA7
Advertisements
Solution
GA3
RELATED QUESTIONS
List five plant growth hormones and briefly describe their roles.
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 question :
What plant hormone is responsible for the scientific phenomenon mentioned in 1.1.
Answer the following question.
What are plant hormones? Name the plant hormones responsible for the following:
- Growth of stem
- Promotion of cell division
- Inhibition of growth
- Elongation of cells
Multiple choice question.
Abscisic acid controls ______.
Gibberellins are synthesised from ______.
Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.
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 |
Which hormone causes Bakanae disease of rice?
Antidiuresis is the role of ______ hormone.
Which plant hormone is called an antitranspirant?
