When a molecule moves across a membrane independently of other molecules,the process is called ...........

Water is forced to move through the cell membranes from the endodermis onwards. What is this pathway called?

Explain: Active Transport.

In which of the following pathways does the flow of water occur from cell to cell through their protoplasm?

Which of the following statements is correct?
$(I)$ Rapid uptake of ions into the free space is a passive process.
$(II)$ Apoplast is important for passive processes.
$(III)$ Metabolic energy is required in passive processes.
$(IV)$ In the apoplast,passive processes occur through ion channels.

Analogy type question:
$(1)$ Active transport : Energy requirement from $ATP$ :: Passive transport : ........