Advertisements
Advertisements
प्रश्न
Multiple choice question.
How many molecules of ATP are required to fix one molecule of nitrogen?
पर्याय
12
20
6
16
Advertisements
उत्तर
16
APPEARS IN
संबंधित प्रश्न
Which of the following hormones regulate stomatal colour?
Common gibberellin is
Name the following:
Growth-retarding hormone in plants.
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?
Write full form of 2,4-D
The active ingredient of Agent Orange is an egual mixture of two phenoxy herbicides ____________.
Cause of degreening is ______.
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 ______.
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. |
