MCQ
In blood $C{O_2}$ is mainly transported through
- AHaemoglobin
- BLymph
- CRBC
- ✓Plasma
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| $A$ | Boron | $i.$ | Splitting of $\text{H2o}$ to liberate $o_2$ during photosynthesis. |
| $B$ | Mamganese | $ii.$ | Needed for synthesis of auxins. |
| $C$ | Molybdenum | $iii.$ | Component of nitrogenase. |
| $D$ | Zinc | $iv.$ | Pollen germinnation. |
| $E$ | Iron | $v.$ | Component of ferredoxin. |