MCQ
${O_2}$ evolution is directly associated with
- A$PS -I$
- ✓$PS -II$
- CPhytochrome
- DPhycocyanin
The removal of four $e^-$ from two molecules of water requires $4$ quanta of light to fall on $PS-II$ and leads to the production of $4H^+$ ions and one molecules of $O_2$.
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$I$. they are nucleated
$II$. they are denucleated like $RBC$
$III$ they are $6000-8000 \;m m ^{-3}$ of blood
$IV$. they are long lived
$V$, they are short lived
Choose the appropriate option with correct properties
$R$ : Epithelial cells are not secretory in nature.