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प्रश्न
Which of the following hormones regulate stomatal colour?
पर्याय
Auxins
GA
ABA
Cytokinins
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उत्तर
ABA
Explanation:
Abscisic acid (ABA) affects stomatal closure (the query most likely refers to stomatal closure rather than color).
संबंधित प्रश्न
What is Parthenocarpy?
First natural cytokinin was obtained from ______.
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?
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
Which hormone induces parthenocarpy in tomatoes?
Which of the following is a NOT a naturally occurring phytohormone?
Match the following lists and select the correct option.
| List I | List II | ||
| i. | 2,4-D | a. | Promotes senescence and ripening of fruits |
| ii. | ABA | b. | DelaysJeaf senescence |
| iii. | Gibberellins | c. | Increases the length of the sugarcane stem |
| iv. | Ethylene | d. | Kills dicotyledonous weeds without affecting mature monocotyledonous plants |
| e. | Stimulates the closure of stomata |
First cytokinin was discovered by Skoog and Miller while working on tissue culture of ____________ plant.
The response by parts of the plant towards stimulus is called as ______.
