Which type of vacuoles provide buoyancy to bacteria?

Both lysosomes and vacuoles are endomembrane structures,yet they differ in terms of their functions. Comment.

Vacuoles of plants can be involved in which of the following activities?

Given below are some characters of a cell organelle. Identify the correct organelle which shows all the characters described above.
$(i)$ It is a membrane bound space found in the cytoplasm.
$(ii)$ It is bound by a single membrane called tonoplast.
$(iii)$ It contains water,sap,excretory products and other materials not useful to the cell.
$(iv)$ It has higher concentration of sap than the cytoplasm.

Which of the following is $NOT$ a function of the contractile vacuole?

What is degraded by Peroxisomes?