Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The photomicrograph shows the appearance of onion epidermal cells after they have been left in solution X for one hour. What substance occupies the space labelled Y?

Aair
Bcytoplasm
Csolution X
Dwater

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI