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Question
First natural cytokinin was obtained from ______.
Options
Rice plants
Tobacco callus
Maize grains
Human urine
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Solution
First natural cytokinin was obtained from Maize grains.
RELATED QUESTIONS
Match the items in column A with those of column B.
| Column A | Column B | ||
| (a) | Auxin | (i) | apical dominance |
| (b) | Gibberellin | (ii) | cell-division |
| (c) | Cytokinin | (iii) | fruit ripening |
| (d) | Ethylene | (iv) | internodal elongation |
Multiple choice question.
Abscisic acid controls ______.
Conversion of nitrates to nitrogen is called ______.
Gibberellins are synthesised from ______.
Why is ABA known as antitranspirant?
Which of the following is a NOT a naturally occurring phytohormone?
Which hormone causes Bakanae disease of rice?
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. |
Which one of the following pair of plant hormones inhibit flowering in some plants?
Bakane disease of rice is caused by ______.
