Differentiate between silicates and silicons.

Differentiate between antiseptics and antibiotics.

Carbon and silicon are present in the same group. Their dioxides CO_2 and SiO_3 show some similarities. For example both are acidic oxides. The basic building blocks of silicates are SiO_4^(4-) tetrahedral. Differentiate ortho-silicates and pyrosilicates.

Differentiate between Serosa and Lumen.

a. Differentiate between orbit and orbital

Differentiate between Hypocotyl and Epicotyl

Gametogenesis is classified as spermatogenesis and oogenesis. Differentiate between spermatogenesis and oogenesis.

Unit cell can be classified into primitie and centred unit cells. Differentiate between primitive and centred unit cells.