Question
In spirogyra gametes are
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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
This type represents
$(a)$ Lipids having only single bonds are called unsaturated fatty acids.
$(b)$ Lecithin is a phospholipid.
$(c)$ Trihydroxy propane is glycerol.
$(d)$ Palmitic acid has $20$ carbon atoms including carboxyl carbon.
$(e)$ Arachidonic acid has $16$ carbon atoms.
Choose the correct answer from the options given below.