MCQ
The correct statement in respect of protein haemoglobin is that it
- ✓Acts as an oxygen carrier in the blood
- BForms antibodies and offers resistance to diseases
- CFunctions as a catalyst for biological reactions
- DMaintains blood sugar level
$H{b_4} + 4{O_2} \to H{b_4}{O_8}$
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|
List-$I$ (Molecule) |
List-$II$. (Number and types of bond/s between two carbon atoms) |
| $A$. ethane | $I$. one $\sigma$-bond and two $\pi$-bonds |
| $B$. ethene | $II$. two $\pi$-bonds |
| $C$. carbon molecule, $\mathrm{C}_2$ | $III$. one $\sigma$-bond |
| $D$. ethyne | $IV$. one $\sigma$-bond and one $\pi$-bond |
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