MCQ
In a stratified cambium, the fusiform initials are
- ALong and overlap each other at the ends
- BShort and overlap each other at the ends
- ✓Short and arranged in horizontal tiers
- DShort or long and overlap each other at the ends
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$(i)$ All the cells of the epithelium are held together with little intercellular materials.
$(ii)$ In almost all animal tissues specialized junction provide both structural and functional link between its individual cells.
$(iii)$ Tight junctions help to stop substances from leaking across a tissue.
$(iv)$ Adhering junctions provide cementing to keep neighbouring cells together.
$(v)$ Gap junctions provide cytoplasmic channels between cells for passage of ions, small molecules and sometimes big molecules.