only (i)

(i)and(ii)

(ii) and (iii)

(i), (ii) and (iii)

direct method

square method

cross-sections method

tacheometric method

Contour interval on any map is kept constant.

Direct method of contouring is cheaper than indirect method.

Inter-visibility of points on a contour map cannot be ascertained.

Slope of a hill cannot be determined with the help of contours.

depression

hillock

plain surface

none of the above

the vertical distance between two consecutive contours

the horizontal distance between two consecutive contours

the vertical distance between two points on same contour

the horizontal distance between two points on same contour