STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

$(i)$ They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.

$(ii)$ They support and protect softer tissues and organs.

$(iii)$ Osteocytes are present in the spaces called lacunae.

$(iv)$ They also interact with skeletal muscles attached to them to bring about movements.

Which of the following type of tissue is being described by above statements

$II.$ Increased partial pressure of $CO _{2}$

$III.$ Increased partial pressure of $H^{+i i}$

$IV.$ Decreased partial pressure of $O_{2}$

All the above situations favours the dissociation of oxyhaemoglobin except