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प्रश्न
First natural cytokinin was obtained from ______.
पर्याय
Rice plants
Tobacco callus
Maize grains
Human urine
MCQ
रिकाम्या जागा भरा
उत्तर
First natural cytokinin was obtained from Maize grains.
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Plant Hormones
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Which of the following hormones regulate stomatal colour?
Common gibberellin is
Stems are
List five plant growth hormones and briefly describe their roles.
Gibberellins are synthesised from ______.
Write the name of Hormone that can overcome the requirement of vernalization.
Cause of degreening is ______.
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 |
A plant growth inhibitor hormone which causes wilting of leaves is ______.
