Lysosomal enzymes function at a $pH$ of:

Assertion $A$: Lysosomes are known as the suicidal bags of the cell.
Reason $R$: Lysosomes digest worn-out cells.
Which option is correct for Assertion $A$ and Reason $R$?

In which type of cells are lysosomes found in abundance?

Which sentences are correct for lysosomes?
$1-$ It is a suicidal bag.
$2-$ It possesses one layer.
$3-$ It is a self-replicating organelle.
$4-$ It contains hydrolase type of digestive enzymes.
$5-$ It is always seen near the nucleus.
$6-$ It plays an important role in phagocytosis and pinocytosis.
$7-$ It is present in animal cells and also in plant cells.

The organelles whose major function is the storage of hydrolytic enzymes are:

Lysosomes contain