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Question
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
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Solution
Characteristic features of ethylene:
- Site of synthesis:
o It is synthesised in senescent leaves and flowers, germinating seeds and ripening fruits.
- Functions:
o Induces and promotes fruit ripening
o Promotes fruit ripening
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Apical dominance phenomenon is caused by
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 questions:
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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.
Very Short Answer Question:
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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 |
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- Which property of phytohormones he must be aware of?
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