(a) Cadastral surveys
(b) City surveys
(c) Topographical surveys
(d) Guide map survey

OR
In order to determine the natural features such as valleys, rivers, lakes etc, the surveying preferred is
(a) city surveying
(b) local surveying
(c) topographical surveying
(d) cadastral surveying

Ans. (c) : Topographical surveys – Conducted to obtain data and to make a map indicating inequalities of land surface (mountains, rivers, water bodies, wooded area).
Cadastral surveys – Done to produce plans of property boundaries for legal purpose.
City’ survey – The survey made in connection with the construction of streets, water supply and sewage lines fall under this category.