SOLUTIONS – INSIGHTS REVISION TEST for Preliminary Exam 2018: Test – 37(Geography)

SOLUTIONS  INSIGHTS REVISION TEST for Preliminary Exam 2018: Test – 37(Geography)    Which of the following is NOT correct regarding soils of India.   a) Black soil exhibits self-ploughing characteristic b) Humus content of laterite soil is low and generally they are unfit for cultivation. c) Arid soils generally are clayey in texture with higher …

SOLUTIONS – INSIGHTS REVISION TEST for Preliminary Exam 2018: Test – 35(Geography)

SOLUTIONS INSIGHTS REVISION TEST for Preliminary Exam 2018: Test – 35(Geography)   The most suitable method for prevention of gully erosion is: a) Mulching b) Rock dam structure c) Ploughing d) Perimeter runoff control Answer: (b) Justification:     The relative proportion of sand, silt and clay in a soil refers to its a) Profile …