A) Emulsion
B) Suspension
C) Complex colloidal solution
D) Molecular solution
Correct Answer: C
Solution :
J Huxley (1868) first defined protoplasm as 'physical basis of life'. The most imponan physical characteristic of protoplasm is in colloidal nature to which it owes most of m properties. Colloidal system are of two types-homogenous and heterogenous system. Homogenous system is identical throughout and consists of one phase. While in heterogenous system two or more phases are present, each distinct from the other. A heterogenous system is a component, which is homogeneous throughout itself and mechanically separable from other phase of the system. A heterogenous system may be a suspension, emulsion or colloid.
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