Answer:
1. Immobilisation is to make immobile or immovable; fix in place. to prevent the use, activity, or movement of: The hurricane immobilized the airlines. to deprive of the capacity for mobilization: The troops were immobilized by the enemy.
2.An immobilized enzyme is, therefore, attached to an inert, organic, or inorganic or insoluble material, such as calcium alginate or silica. Furthermore, the attachment of an enzyme to a solid support can increase its resistance to various environmental changes such as pH or temperature