C:-Alfisol
D:-Inceptisols
Correct Answer:- Option-A
Question87:-Which one of the following sources of salts in soils is a primary source?
A:-Canal Irrigation
B:-Weathering of rocks
C:-Fertilization
D:-Sea water intrusion
Correct Answer:- Option-B
Question88:-Which one among the following is not a major factor which control formation of soil?
A:-Climate
B:-Topography
:-Biota
D:-Soil water
Correct Answer:- Option-D
Question89:-The condition in which the soil is saturated with water due to a perched W.T. is called
A:-Episaturation
B:-Perisaturation
C:-Outwashing
D:-Primary saturation
Correct Answer:- Option-A
Question90:-The mineral that contributes red colour to soils.
A:-Hematite
-Hydride
C:-Hydroxyapatite
D:-Fluorapatite
Correct Answer:- Option-A
Question91:-Trioctahedral sheet is dominated by
‏“(+3)خام”‎
‎Mg*(2+)°
‎ടിപ്‌
‎D:-K*(+)°
‎Correct Answer:- Option-B
Question92:-Effective nodules for Nitrogen fixation are usually ___ in colour

Correct Answer:- Option-C
Question93:-..... is a micronutrient cation.

A:-Molybdenum

B:-Sulphur

C:-Calcium

D:-Manganese

Correct Answer:- Option-D

Question94:-The deficiency of ..... causes excessive translocation of Phosphorous resulting in P-toxicity.

A:-Manganese
B:-Zinc
C:-Copper
D:-Boron
Correct Answer:- Option-B
Question95:-The most common dioctahedral mica mineral is .....
A:-Biotite
-Muscovite
C:-Phlogopite
D:-None of these
Correct Answer:- Option-B
Question96:-The basal spacing of Kaolinite along the C-axis is .....
A:-0.72 nm