The $Tonoplast$ is $..............$.

Peroxisomes are associated with which of the following processes?

Why do all fresh water organisms have contractile vacuoles whereas the majority of marine organisms lack them?

Which of the following are included in the category of microbodies?

Which of the following cell organelles is described by the given statements?
$(a)$ Contains small tubules.
$(b)$ Is bounded by a membrane.
$(c)$ Contains enzymes.
$(d)$ Found in both plants and animals.

Identify the correct pair regarding cell organelles and their membrane structure.