Which of the following is a peripheral membrane protein complex?

$F_1$ and $F_0$ are parts of . . . . . . .

Match the electron carriers and reduced substances in Column $I$ with respiratory complexes in Column $II$. Choose the correct option given below.

Column $I$	Column $II$
$i.$ $FADH_2$	$a.$ Complex $III$
$ii.$ Ubiquinol	$b.$ Complex $IV$
$iii.$ $NADH + H^{+}$	$c.$ Complex $II$
$iv.$ Cytochrome $C$	$d.$ Complex $I$

The enzymes of oxidative phosphorylation are found in:

Which one of the following is an incorrect statement regarding mitochondrial $ETC$ and oxidative phosphorylation?

Given below are two statements.
$Statement-I$: During aerobic respiration, $ETS$ releases energy in a stepwise manner to prevent damage to cells.
$Statement-II$: During aerobic respiration, $ETS$ provides water molecules.
In the light of the above statements, choose the correct answer from the options given below.