MCQ
The local depolarization of a receptor$-$cell membrane is called as:
- ✓Action potential.
- BResting potential.
- CThreshold potential.
- DNone of these.
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$R$ : Glomerulus is present is probosis.

$(1)$ The meristem which present at the tips of roots and shoots are called apical meristem
$(2)$ Apical meristem are secondary meristem
$(3)$ Intercalary meristem is the meristem that occurs in the mature region of roots and shoots of many plants and appear later than primary meristem :
$(4)$ Fascicular vascular cambium and interfascicular cambium are lateral meristem