Which of the following is a vital stain?

What is the resolving power of a microscope?

Select the correct option for the following statements:
$(i)$ The $9 + 2$ arrangement of microtubules is found in the cilia/flagella.
$(ii)$ The enzymes of the Krebs cycle are located in the outer membrane/inner membrane of the mitochondria.

Identify the odd one out from the following cell components.

Column-$I$ lists organelles and Column-$II$ lists their functions. Select the correct option:

Column-$I$	Column-$II$
$(A)$ Mitochondria	$(i)$ Suicidal bag
$(B)$ Chloroplast	$(ii)$ Synthesis of steroids
$(C)$ Lysosome	$(iii)$ Photosynthesis
$(D)$ Smooth Endoplasmic Reticulum	$(iv)$ $ATP$ production

$A$: All organelles in a eukaryotic cell are membrane-bound.
$R$: Organelles in a prokaryotic cell are membrane-less.