MCQ
Melanin protects from:
- ✓$\text{UV}$ rays.
- BVisible rays.
- CInfra$-$red rays.
- D$X-$rays.
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$R$ - Cellulose is made up with only one type of amino acid.
$I.$ 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
Choose the correct option