MCQ
Which is used to study photosynthesis ?
- A$^{13}C$
- ✓$^{14}C $
- C$^{15}C $
- D$^{11}C$
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$I.$ 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