Class IX

Muscular co-ordination is controlled through
  1. Muscular co-ordination is controlled through
  2. Muscular co-ordination is controlled through
  3. hypothalamus
  4. cerebellum
Number of chromosomes in each cell except gametes in man are
  1. 23
  2. 28
  3. 46
  4. 28
At intervals, along length, spinal cord
  1. has myelin sheath
  2. has grey matter
  3. gives off spinal nerves
  4. branches off into dendrites
To facilitate entry of CO2 in leaf is done through stomata as well as through water film on the
  1. upper epidermis
  2. lower epidermis
  3. spongy mesophyll cells
  4. spongy mesophyll cells
Hindbrain is made up of
  1. Cerebrum
  2. pituitary gland
  3. Medulla Oblongata
  4. hypothalamus
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