MCQ
Growth is maximum in the zone of
- ACell division
- ✓Cell elongation
- CCell maturation
- DAll of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ Irreversible increase in mass $(ii)$ Uncontrolled $\&$ Repeated Cell Division $(iii)$ Increase in no. of Individuals $(iv)$ Reproduction
$R$ : Ionic channels are absent in the area covered by myelin sheath therefore, depolarization occurs only at the nodes of Ranvier, resulting in saltatory or jumping conduction.
$I.$ The medulla is connected to the spinal cord.
$II.$ Medulla contains controlling centers for respiration, cardiovascular reflexes and gastric secretion.
$III.$ Cerebellum has very convoluted surface in order to provide the additional space for more neurons.