(a) Argillaceous – principal constituent is clay
(b) Siliceous – principal component is silica
(c) Calcareous – principal component is lime
(d) Calcareous – principal component is Clay
Ans :- (d) Calcareous – principal component is Clay

Explanation :-
Chemically calcareous rocks are mainly composed by calcium carbonate.
Siliceous rock – The chief constituent is siliceous rocke’s sand silica (SiO₂ )
Exp. Quartzite, granite.
Argillaceous rock – The chief constituent is Alumina (Al₂O₃ ).
Exp. Laterite, slate etc.
Calcareous rock – The chief constituent is Lime (CaO).
Exp. Lime stone, gypsum, marble, dolomite