Question

Which zones are together called zone of aeration?

(a) Soil water and intermediate zone

(b) Intermediate zone and zone of capillary water

(c) Zone of capillary water and phreatic water

(d) Soil water and phreatic water

I had been asked this question in unit test.

Question is taken from Sources and Zonal Distribution of Groundwater in division Groundwater of Engineering Geology

Answer 1

Right choice is (a) Soil water and intermediate zone

Easy explanation: The intermediate zone is generally of small thickness and may be even absent in many cases. The soil water and intermediate zones are sometimes collectively referred to as the zone of aeration.