Question
In pteridophytes, spores germinate to give rise to
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$I.$ Cytokinins suppress the synthesis of chlorophyll.
$II.$ Auxins control apical dominance.
$III.$ Gibberellins promote shoot elongation.
$IV.$ Abscisic acid enabling seeds to withstand desiccation.
Which of the above statements are correct
$(i)$ mesosome is a extension of plasma membrane
$(ii)$ These extensions are only in the form of Spherical
$(iii)$ Mesosomes help in cell wall formation and $RNA$ synthesis
$(iv)$ They help in respiration
$\begin{array}{|p{0.3\linewidth}|l|} \hline Column\,\,-I & Column\,\,-II \\ \hline (1)\,\,Typical\,\,bacterial & (p)\,\,Site\,\,of\,\,protein\,\,synthesis \\ \hline (2)\,\,Ribosome & (q)\,\,1-2\,\,\mu\,m \\ \hline (3)\,\,Long\,\,and\,\,branched & (r)\,\,Control\,\,of\,\,bacterial\,\,transform \\ \hline (4)\,\,Plasmid & (s)\,\,Nerve\,\,cell \\ \hline \end{array}$