GEOGRAPHY MCQS SET 80

GEOGRAPHY MCQS SET 80

791) Which one of the following have short life cycle and may form a fairly dense sand after rainfall?
A) Perennials
B) Ephemerals
C) Succulants
D) Both 'a' and 'b'

Answer: Ephemerals
   
792) CSCs is based on a hierarchy of _________ categories or levels.
A) four
B) five
C) six
D) seven

Answer: six
   
793) Which one of the following processes occurs in the humid tropics where heavy rain and uninterrupted warmth give rise to deeply weathered layer?
A) Leaching
B) Podzolisation
C) Laterisation
D) Salinisation

Answer: Laterisation
   
794) Black soil of steppe is black in colour due to
A) humus
B) tettanifenous mineral
C) iron and magnesium oxides
D) due to parent material

Answer: tettanifenous mineral
   
795) Assertion (A) : An epipedon is a horizon that forms in the sub soil portion. Reason (R) : C-horizon is usually the parent material rock.
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true, but R is false
D) A is false, but R is true

Answer: Both A and R are true but R is not the correct explanation of A

796) Who amongst the following is considered as a pioneer in the study of soil genesis and soil classification?
A) GN Coffey
B) CF Marbut
C) KD Glinka
D) W Dokuchaiev

Answer: W Dokuchaiev
   
797) Who amongst the following proposed the first scientific classification of soils in 1886 and classified soils into 'normal' (upland), 'transitional' (meadow, calcareous, alkali), and 'abnormal' (organic, alluvial, aeolian) The normal class was further divided into 7 'zones' based upon climate and 'soil types' based upon soil colour?
A) W Dokuchaiev
B) GN Coffey
C) KD Glinka
D) CF Marbut

Answer: W Dokuchaiev
   
798) Who of the following translated Glinka's work into English, borrowed and modified the Russian pedologic views and finally prepared a comprehensive system of soil classification for the United States?
A) EW Hilgard
B) AN Strahler
C) GN Coffey
D) CF Marbut

Answer: CF Marbut
   
799) The substance of the soil exists in
A) solid state
B) solid and liquid states
C) solid liquid and gaseous states
D) solid and gaseous states

Answer: solid liquid and gaseous states
   
800) The smallest distinctive division at the soil of a given area to which a unique single set of properties apply is called as
A) fed
B) polypedon
C) soil profile
D) horizon

Answer: polypedon