How many thylakoids does each granum contain?

The number of chloroplasts in a mesophyll cell is:

Where are plastids seen? Explain their types and functions in short.

Consider the following five statements $(A$ to $E)$ with respect to the chloroplast shown below. Select the correct option stating which ones are True $(T)$ and which ones are False $(F)$.
$A$. It is impermeable and lacks porins.
$B$. It is selectively permeable,having carrier proteins for transport.
$C$. Stacked thylakoids one over other which is the site of production of assimilatory power.
$D$. Present between two grana and contains enzymes of dark reaction.
$E$. It contains enzymes for the synthesis of sugar and proteins.

$A$

$B$

$C$

$D$

$E$

Maximum number of chloroplasts are found in

Which cell organelle contains chlorophyll?