1.  50 S

2.  70 S

3.  30 S

1.  Brown

2.  Flemming

3.  Punkinje

1.  Lignin, hemicelluloses, pectin and lipid

3.  Lignin, hemicelluloses, protein and lipid

4.  Hemicelluloses, cellulose, tubulin and ligin

1.  Phagocytosis

2.  Pinocytosis

3.  Exocytosis

1.  Fibres

2.  Proteins

4.  Casparian strips

1.  Kinetodesmata

2.  Desmotubules

4.  Symplasm

1.  Passive absorption

3.  Osmosis

4.  Donnan equilibrium

1.  Cytoplasm

3.  Protoplasm

4.  Endoplasmic reticulum

2.  Cells of lower plants

3.  Cells of higher animals

4.  Cells of lower animals

1.  Lysosomes

3.  Endoplasmic reticulum

4.  Nucleus