MCQ
Growth in living organisms occurs by
- Adivision of cells.
- Bincrease in biomass.
- Caccumulation of materrial by external agency.
- ✓both $(a)$ and $(b)$.
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$I.$ 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.