Question59:-When the degree of slope doubles, the amount of erosion per unit are increases by
A:-1%
-2%
C:-2.5%
D:-4%
Correct Answer:- Option-C
Question60:-Which one of the following compounds contains highest % ௦4" "6 20 51"
A:-Triple superphosphate
Single superphosphate
C:-Enriched superphosphate
D:-Superphosphoric acid
Correct Answer:- Option-D

Question61:-The ratio of total area cropped in a year to the land area available for cultivation and expressed in percentage
is the

A:-Cultivated land utilization index
B:-Multiple cropping index
C:-Crop intensity index
D:-Relative cropping intensity index
Correct Answer:- Option-B
Question62:-The deep clay to clay loam soils developed in the semi acid areas of Deccan plateau are known as
A--Alfisols
B:-Vertisols
C:-Inceptisols
D:-Entisols
Correct Answer:- Option-B
Question63:-1 bar = cm of water column (approximately)
A:-100 mm
B:-75 cm
:-100 cm
D:-1000 cm
Correct Answer:- Option-D

Question64:-Conservation tillage system are methods of soil tillage which leave at least per cent of the crop residue
on the soil surface.

A:5
-10
C:-20
D:-30
Correct Answer:- Option-D
Question65:-The seed rate to be adopted for a crop depends on the plant spacing, test weight and
A--size of seed
-area to be planted
:-yield potential
D:-germination percentage
Correct Answer:- Option-D
Question66:-Hyper acid zones are those having an aridity index of
A:-<0.03
B:-0.03 to 0.10
C:-0.03 to <0.20
D:-0.20 to 0.50
Correct Answer:- Option-A
Question67:-In India, percent of total annual rainfall is received during the South West monsoon season.
‏75ھ‎
‎B:-65
‎C:-50