Q. 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
A) I and II
B) III
C) II and V
D) IV and V
Explanation
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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.