A drop of ink is placed gently at the base of a beaker containing water by means of a dropper. What will happen?

Give one single character, on the basis of which you can say that the given diagram is of a plant cell.

Name two structure found only in animal cells and not in plant cells.

Plasma membrane is permeable to water. How does a cell show endosmosis or exosmosis?

Hypertonic solution causes plasmolysis where the protoplast shrinks and withdraws from the cell wall at most places. What is present between the shrunken protoplast and cell wall?