STD 11 - 3. Plant kingdom — BIOLOGY STD 11 Science — Question

$I$. sporophyte is multicellular, not free living but attached to the gametophyte for nourishment from it

$II$. some cells of the sporophyte undergo meiosis to produce haploid spores

$III$. these spores germinate to produce gametophyte

$(i)$ 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.