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Examples, Significance, Experiment - Imbibition: Significance and Experiment | 11th Botany : Chapter 11 : Transport in Plants

Chapter: 11th Botany : Chapter 11 : Transport in Plants

Imbibition: Significance and Experiment

Colloidal 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.

Imbibition

 

Colloidal 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.

 

Significance of imbibitions

 

i.           During germination of seeds, imbibition increases the volume of seed enormously and leads to bursting of the seed coat.

ii.         It helps in the absorption of water by roots at the initial level.

 

Activity

Imbibition experiment

Collect 5 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 teacher.




 

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