systems such as gum, starch, proteins, cellulose, agar, gelatin when placed in water, will absorb a large
volume of water and swell up. These substances are called imbibants and the phenomenon is imbibition.
Examples: 1. The swelling of dry seeds 2.The swelling of wooden
windows, tables, doors due to high humidity during the rainy season.
During germination of seeds, imbibition increases
the volume of seed enormously and leads to bursting of the seed coat.
It helps in the absorption of water by roots at the
gm of gum from Drumstick tree or Babool tree or Almond tree. Immerse in 100ml
of water. After 24 hours observe the changes and discuss the results with your