MCQ
Medullary rays are seen in
- ADicot root
- BMonocot root
- CMonocot stem
- ✓Dicot stem
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$I.$ Oxygen is carried by haemoglobin
$II.$ Oxygen is carried by carbonic anhydrase
$III.$ $C O_{2}$ is carried by haemoglobin
$IV.$ $SO _{2}$ is carried by haemoglobin
$V.$ Only oxygen is transported by the blood
$VI.$ Only $C O_{2}$ is transported by the blood
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