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प्रश्न
The only phytohormone which is a gas at ordinary temperature:
पर्याय
Ethane
Ethyl alcohol
Ethylene
Ethyne
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उत्तर
Ethylene
Explanation:
The only hormone that is gaseous at standard temperature is ethylene.
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.
Conversion of nitrates to nitrogen is called ______.
Very Short Answer Question:
What is role of gibberellin in rosette plants?
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 |
Which among the following is the CORRECT statement regarding ethylene?
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
Study the diagram given below and answer the questions that follow:
- Name the phenomenon depicted by the shoot in the above diagram.
- Which plant hormone plays an important role in the above movement?
- Complete and rewrite the given statement by filling in the correct terms:
Shoots show positive ______ whereas, roots show positive ______.
