MCQ
$CH_2$ = $CH_2$ is mainly responsible for
- AFormation of internode
- BFormation of nodes
- ✓Ripening of fruits
- DFormation of internodes
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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
Statement $I$: Parenchyma is living but collenchyma is dead tissue.
Statement $II$ : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below: