NEET Biology question
Study the following statements: 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 first extracted from herring. Choose the incorrect one.
Answer: (D)
Solution
Statements I, II and III are correct (cytokinins are chiefly produced in roots, auxin and cytokinin act antagonistically with respect to apical dominance, and kinetin was discovered from autoclaved herring-sperm DNA). Statement IV is false
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