MCQ
Lignified cell wall is the characteristic feature of
- APhloem cells
- BEpidermal cells
- CCambial cells
- ✓Xylem cells
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Choose the correct combination of $A$ and $B$
$I.$ Chromosomal material condenses to form compact mitotic chromosomes
$II.$ The assembly of mitotic spindle is initiated by the microtubules
$III.$ Cells do not show organelles when viewed under the prophase
$IV.$ The nucleolus or nucleoli degenerate completely
$(i)$. Membrane-bounded inclusion bodies are not found in prokaryotic cells.
$(ii)$. Ribosomes are the site of protein synthesis.
$(iii)$. Pili are the surface structure of the bacteria which may play a role in motility.
$(iv)$. The cell membrane of prokaryotes is structurally similar to the eukaryotes.
Choose the option with the correct statements.