Advertisements
Advertisements
प्रश्न
Apical dominance phenomenon is caused by
पर्याय
Auxins
GA
Cytokinins
ABA
MCQ
Advertisements
उत्तर
Auxins
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
How does chemical coordination occur in plants?
List five plant growth hormones and briefly describe their roles.
Very Short Answer Question:
Which is the plant stress hormone?
Gibberellins are synthesised from ______.
Why is ABA known as antitranspirant?
Which hormone induces parthenocarpy in tomatoes?
Match the following lists and select the correct option.
| List I | List II | ||
| i. | 2,4-D | a. | Promotes senescence and ripening of fruits |
| ii. | ABA | b. | DelaysJeaf senescence |
| iii. | Gibberellins | c. | Increases the length of the sugarcane stem |
| iv. | Ethylene | d. | Kills dicotyledonous weeds without affecting mature monocotyledonous plants |
| e. | Stimulates the closure of stomata |
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
Name the first hormone that was discovered in plant and its precursor.
The response by parts of the plant towards stimulus is called as ______.
