MCQ
Tropic movement is due to
- ✓Cell elongation
- BCell division
- CBoth $ (a)$ and $ (b)$
- DCell thickening
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$a -$ Nuclear envelope assembles around chromosomes clusters.
$b -$ Spindle fibers attach to kinetochores of chromosomes.
$c-$ Condensation of chromosomes.
$d -$ Centromeres split and chromatids separate.
| $List-I$ | $List - II$ |
| $(a)$ Spirogyra | $(i)$ Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| $(b)$ Fern | $(ii)$ Dominant haploid free-living gametophyte |
| $(c)$ Funaria | $(iii)$ Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| $(d)$ Cycas | $(iv)$ Dominant haploid leafy gametophyte alternating with partially dependent |
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