Advertisements
Advertisements
Question
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
Advertisements
Solution
i. a. Pruning is done to remove apical dominance in plants.
b. When plants are decapitated, removal of apical bud results in growth of lateral buds which gives bushy appearance to plants.
c. Thus, pruning is done to encourage growth of more shoots with softer leaves.
ii. The gardener should be aware of the property of apical dominance.
APPEARS IN
RELATED QUESTIONS
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
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.
Name the phytohormone related with the given phenomenon.
- Apical dominance
- Bolting of Cabbage
- Artificial ripening of fruit
- Acts as Anti-transpirant by closing stomata
Which hormone induces parthenocarpy in tomatoes?
Which of the following is a NOT a naturally occurring phytohormone?
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 |
Antidiuresis is the role of ______ hormone.
Differentiate between:
Stimulus and response
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. |
