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प्रश्न
Multiple choice question.
How many molecules of ATP are required to fix one molecule of nitrogen?
विकल्प
12
20
6
16
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उत्तर
16
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संबंधित प्रश्न
Name the following:
Growth-retarding hormone in plants.
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.
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
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
Which hormone induces parthenocarpy in tomatoes?
Give one example of Parthenocarpy.
Define the following term:
Phytohormones
Differentiate between:
Stimulus and response
