In an animal cell,protein synthesis occurs in . . . . . . .

Which one of the following is a vital stain?

Identify the components labelled $A, B, C$ and $D$ in the diagram below from the list $(i)$ to $(viii)$ given along with:
Components:
$(i)$ Cristae of mitochondria
$(ii)$ Inner membrane of mitochondria
$(iii)$ Cytoplasm
$(iv)$ Smooth endoplasmic reticulum
$(v)$ Rough endoplasmic reticulum
$(vi)$ Mitochondrial matrix
$(vii)$ Cell vacuole
$(viii)$ Nucleus
The correct components are:

Identify the mismatched pair:

Match List $- I$ with List $- II.$

List $- I$	List $- II$
$A$. Centromere	$I$. Mitochondrion
$B$. Cilium	$II$. Cell division
$C$. Cristae	$III$. Cell movement
$D$. Cell membrane	$IV$. Phospholipid Bilayer

Choose the correct answer from the options given below:

Which cell organelle is involved in the formation of lysosomes?