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

Which of the following organelles contains hydrolytic enzymes?

Certain $Golgian$ vesicles,which are budded out from the $trans$-face,contain acid hydrolases. Such vesicles are better termed as:

The cell organelles that contain hydrolytic/digestive enzymes are . . . . . . .

$A$: Hydrolase type enzymes can digest all macromolecules.
$R$: Lysosomes are associated with phagocytosis and pinocytosis.

Which of the following statements is incorrect with respect to lysosomes?