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प्रश्न
Stems are
पर्याय
positively geotropic and negatively phototropic
positively geotropic and positively phototropic
negatively geotropic and positively phototropic
negatively phototropic and negatively geotropic
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उत्तर
negatively geotropic and positively phototropic
संबंधित प्रश्न
Common gibberellin is
Multiple choice question.
Abscisic acid controls ______.
A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?
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 |
Write the name of Hormone that can overcome the requirement of vernalization.
Apical dominance refers to ____________.
IAA stands for ______.
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 ______.
Define the following term:
Phytohormones
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. |
