MCQ
Pigment system-$II$ is concerned with
- ✓Photolysis of water
- BReduction of $CO_2$
- CFlowering
- DNone of the above
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$I.$ Each actin (thin filament) is made up of $2 \mathrm{~F}$ (filamentous) actins
$II.$ $F-$actin is the polymer of G (globular) actin
$III.$ $2 \mathrm{~F}=$ actins are twisted into a helix
$IV.$ Two strands of tropomyosin (protein) lies in the grooves of $F-$actin
The correct option is
$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline (1)\;Lipid & (p)\;Curcumin \\ \hline (2)\;Collagen & (q)\;Morphine \\ \hline (3)\;Alkaloids & (r)\;Intercellular\;ground\;substance \\ \hline (4)\;Drugs & (s)\;Lecithin \\ \hline \end{array}$