31. The typical soil of tropical region, formed by the weathering of laterite rock, which promotes leaching of the soil is
A. Laterite soils
B. Black soil
C. Red and yellow soil
D. Peat and marshy soil
32. The two ‘equinoxes’ take place respectively in the months of
A. January and June
B. July and December
C. March and September
D. September and December
33. The troughs of the waves are where the jet stream of waves is closest to the
A. Poles
B. Equator
C. Prime meridian
D. None of the above
34. The study of soils is called
A. Geomorphology
B. Pedology
C. Hydrology
D. Biogeography
35. The tropical cyclones do not occur to the equator because of
A. Weak Coriolis force
B. Light and variable width
C. Excessive humidity
D. Connective activity