Study the following statement I. Cytokinins are formed primarily in roots II. Auxin and cytokinin are antagonistic in apical dominance III. Kinetin (a modified DNA purine) was discovered from herring sperm IV. Zeatin is auxin V. Zeatin was firstly extracted from herring Choose the incorrect one |
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a) |
I and II |
b) |
III |
c) |
II and V |
d) |
IV and V |
Study the following statement I. Cytokinins are formed primarily in roots II. Auxin and cytokinin are antagonistic in apical dominance III. Kinetin (a modified DNA purine) was discovered from herring sperm IV. Zeatin is auxin V. Zeatin was firstly extracted from herring Choose the incorrect one |
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a) |
I and II |
b) |
III |
c) |
II and V |
d) |
IV and V |
(d) Zeatin was the first natural cytokinin discovered from the corn-kernels and coconut milk. Cytokinin is formed in roots and have opposite affect to auxin action in response to apical dominance. Kinetin was first extracted from herring sperm DNA |