ISC Class 12 Biology Solved Question Paper 2008

Short Answer Type

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Explain 

(i) Coacervates

(ii) Geological Time Scale.

(i) Coacervates is the colloid-rich viscous liquid phase which may separate from a colloidal solution on addition of a third component.

(ii) The geological time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time, and is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history.

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