Question
Maximum growth in roots occurs
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| Column $I$ | Column $II$ |
| $A .$ Diakinesis | $1.$ Crossing over takes place |
| $B.$ Pachytene | $2 .$ Terminalisation of chiasmata |
| $C .$ Zygotene | $3 .$ Chromosomes align at equatorial place |
| $D .$ Metaphase | $4 .$ Pairing of homologous chromosomes |
Codes
$A \quad B \quad C \quad D$
$A.$ Mosses and lichens are the first organisms to colonise a bare rock.
$B.$ Selaginella is a homosporous pteridophyte.
$C.$ Coralloid roots in Cycas have $VAM$.
$D.$ Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
$E.$ In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
$I$. 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