The organelle important for phagocytosis and pinocytosis is ........

The site of origin of lysosomes is ............ .

Lysosomes are the storage sacs of ..........

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.

Scavenging of worn-out cell parts and denatured proteins in the cells is done by

Which of the following cell organelles is surrounded by a single membrane?