STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

$I.$ S-phase - $DNA$ replication

$II.$ Zygotene - Synapsis

$III.$ Diplotene - Crossing over

$IV.$ Meiosis - Shown by haploid and diploid cells

$V.$ $G_{2}$-phase - Quiescent stage

$\begin{array}{|p{0.6\linewidth}|p{0.3\linewidth}|} \hline Column\,\,-I  & Column\,\,-II \\ \hline (1)\,\,cyclic\,\,photopho & (a)\,\,Only\,\,PS\,\,-\,\,I \\ \hline (2)\,\,Non-cycli\,\,photo-\,\,phosphorylation & (b)\,\,ATP\,\,formed \\ \hline (3)\,\,C_4\,\,-\,\,cycle  & (c)\,\,Meristemtic\,\,tissue \\ \hline   & (d)\,\,High\,\,productivity \\ \hline \end{array}$

$(i)$ The endomembrane system includes mitochondria, chloroplast and peroxisomes.

$(ii)$ Smooth endoplasmic reticulum is the major site for synthesis of lipid.

$(iii)$ Rough endoplasmic reticulum is actively involved in protein synthesis.

$(iv)$ Mitochondrial matrix possesses single circular $DNA$, a few $RNA$ and $80\; s$ ribosomes.

Of the above statements.