Infrosomes are composed of .........?

Match column-$I$ with column-$II$ and select the correct option.

Column-$I$	Column-$II$
$A$. $RER$	$I$. Intracellular and extracellular digestion
$B$. Cell wall	$II$. Provide structural support to the cell
$C$. Flagella	$III$. Protein synthesis and secretion
$D$. Lysosomes	$IV$. Responsible for cell movement

The cell organelle that contains an abundance of oxidizing enzymes is .........

Match List $I$ and List $II$ and select the correct answer using the code given below the list:

List $I$	List $II$
$a$. Lysosome	$1$. Bacteria without cell walls
$b$. Mycoplasma	$2$. $A$ virus that infects bacterial cells
$c$. Thylakoid	$3$. Flattened sacs in a chloroplast
$d$. Bacteriophage	$4$. $A$ vesicle in which hydrolytic enzymes are stored

Code:

Which of the following is $NOT$ a characteristic of a eukaryotic cell?

You are asked to examine a cell using a powerful light microscope. The image you see has a clearly defined nucleus and mitochondria. It also has a large central vacuole and chloroplasts. From what group of organisms did this cell most likely come?