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प्रश्न
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?
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उत्तर
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.
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संबंधित प्रश्न
How does chemical coordination occur in plants?
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
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.
Why is ABA known as antitranspirant?
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 |
Name the phytohormone related with the given phenomenon.
- Apical dominance
- Bolting of Cabbage
- Artificial ripening of fruit
- Acts as Anti-transpirant by closing stomata
Apical dominance refers to ____________.
Antidiuresis is the role of ______ hormone.
Name the first hormone that was discovered in plant and its precursor.
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. |
