MCQ
Hierarchical classification means
- ATo divide division into classes
- BTo divide classes into orders
- CTo divide orders into families
- ✓To rank things one above the other
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In prokaryotic cell internal extension structure called mesosome.
$I.$ 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