The one which is capable of self replication is

$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline (1)\;Lipid & (p)\;Curcumin \\ \hline (2)\;Collagen & (q)\;Morphine \\ \hline (3)\;Alkaloids & (r)\;Intercellular\;ground\;substance \\ \hline (4)\;Drugs & (s)\;Lecithin \\ \hline \end{array}$

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$DNA$ is not present in

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In a $DNA$, one chain contain $22$ thymine and its opposite chain contain $28$ guanine. Then what is length of this $DNA$ in $Å$?

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$A$ : Thallophytes are non-vascular, non-archegoniate and non-cormophytic plants.
$R$ : Thallophytes lack vascular bundles, archegonia and differentiated plant body.

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Pick out the correct statements.

$I.$ Cytokinins especially help in delaying senescence.

$II.$ Auxins are involved in regulating apical dominance.

$III.$ Ethylene is especially useful in enhancing seed germination.

Gibberellins are responsible for immature falling of leaves