MCQ
Sclereids are commonly found in
- ASclereids are commonly found in
- ✓Fruit walls of nuts
- CRoots
- DFleshy stems
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| Column $- I$ | Column $- II$ |
| $(1)$ Monocot stem | $(a)$ Bulliform cells |
| $(2)$ Monocot root | $(b)$ Casperian strips |
| $(3)$ monocot leaf | $(c)$ Polyarch xylem bundles |
| $(d)$ Vascular bundles conjoint and closed |
$I.$ Double layered
$II.$ Fluid contained in it reduces the friction on the lung surface
$III.$ Its outer layer is in contact with thoracic wall
$IV.$ Its inner layer is in contact with lungs
$\begin{array}{|l|l|} \hline Column\,\,I & Column\,\,II \\ \hline a.\,\,Pennatula & 1.\,\,Brain\,\,coral \\ \hline b.\,\,Meandrina & 2.\,\,Sea-fan \\ \hline c.\,\,Gorgonia & 3.\,\,Sea-pen \\ \hline d.\,\,Adamsia & 4.\,\,Sea-anemonea \\ \hline \end{array}$
$a\ \ b\ \ c\ \ d$