GEOGRAPHY MCQS SET 82

GEOGRAPHY MCQS SET 82

811) As organic matter decomposes, it releases nutrients and organic acids. These acids known as _________ attack clays and rock, releasing iron and aluminium.
A) humification agents
B) chelating agents
C) leaching agents
D) reducers

Answer: chelating agents
   
812) 'Frost Hollows' is/are relates to
A) form of precipitation
B) temperature inversion
C) a type of cloud
D) None of the above

Answer: temperature inversion
   
813) Shallow ploughing only to the depth need to ensure quick seed germination and leaving crop residues and ground litter to protect the soil is
A) no-tillage farming
B) minimum tillage farming
C) contour cropping
D) gully reclamation

Answer: minimum tillage farming
   
814) Consider the following statements
1. Contour ploughing promotes soil erosion and the formation of gullies.
2. Gully erosion is the removal of top soil and creation of many steep-sided cuttings hillside.
Which of the ctaternents given above is/or correct?
A) Only 1
B) Only 2
C) Both 1 and 2
D) Neither 1 nor 2

Answer: Both 1 and 2
   
815) In which one of the following soil forming processes organic acids of soluble chelates are formed?
A) Leaching
B) Podzoiisation
C) Laterisation
D) Salinisation

Answer: Podzoiisation

816) The CSCS, approved and adopted in 1960, is known as the _________ approximation
A) fifth
B) sixth
C) seventh
D) accurate

Answer: seventh
   
817) Terra Rossa typically develops in terrains composed of
A) limestone
B) basalt
C) grainte
D) red sandstone

Answer: limestone
   
818) In which of the following processes silica is removed rather than iron or aluminium, which accumulates at the surface?
A) Leaching
B) Podzolisation
C) Laterisation
D) Salinisation

Answer: Laterisation
   
819) Assertion (A) : Presence of humus helps for seed germination and good tieth.
Reason (R) : Humus helps to grow crumb structure.
A) A and R are true, and R is the correct explanation of A
B) A and R are correct, but R is not correct explanation of A
C) A is true, but R is false
D) A is false, but R is true

Answer: A and R are true, and R is the correct explanation of A
   
820) The major amount of wheat, in Ukraine is produced in area of
A) acidic soil
B) podzol soil
C) black earth (soil)
D) red soil

Answer: black earth (soil)