Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for competitive -paper18
MULTIPLE option ques.
B.Sc Agriculture
(For Competitive Examination)
The soils formed in high rainfall area are
A Acidic B Basic C Alkaline D Saline
Horizon B2 is also known as
A Illuvial horizon B Eluvial horizon C Solum D Transition horizon
Hematite is converted to limonite by the process of
A Hydration B Hydrolysis C Oxidation D Carbonation
Name of phosphorus supplying mineral is
A Quartz B Apatite C Feldspar D Calcite
The horizon A + B are collectively called as
A Solum B Regolith C Organic D Illuvial
The order of desert soil is
A Entisoils B Aridisols C Vertisols D Inceptisols
The best agricultural texture is
A Loam B Sand C Silt D Clay
The water retained by air dried soils is considered as
A Gravitational B Hygroscopic C Capillary D Free
Natural soil aggregates are known as
A Peds B Clods C Floccules D None of these
Soil pH is a measure of
A Active acidity B Reserve acidity C Exchange acidity D None of these
Infiltration rate is relatively higher in
A Sandy soil B Clay loam soil C Silty soil D Clayey soil
Widely accepted fixed value of particle density is
A 1.5 g/cc B 2.65 g/cc C 2.29 g/cc D 1.65 g/cc
Solution whose strength or concentration is accurately known is termed as
A Normal solution B Concentrate solution C Standard solution D solvent
Study of origin, classification, morphology of soil is known as
A Pedology B Edaphology C Soil physics D Physical chemistry
Solution which contains 1 gram eq. wt. of substance dissolved in 1 lit. of solution is known as
A Molar solution B Normal solution C Molal solution D Standard solution
The size of silt fraction according to USDA system is
A 0.05-0.002 mm B 0.02-0.002 mm C < 0.02 mm D 0.2–0.02 mm
The range of usefulness of tensiometer is ranging from
A 10-15 bar B 1-10 bar C 0.0-0.8 bar D - 15 bar
An avg. solar radiation reaching to the earth is
A 80 % B 70 % C 60% D 50%
Maximum density of water is at
A 4 oC B - four oC C 0 oC D 10 oC
The water content on mass basis can be converted into quantity basis by multiplying it with
A Particle density B Surface tension C Bulk density D Total potential
MULTIPLE CHOICE QUESTIONS
B.Sc Agriculture
(For Competitive Examination)
The soils formed in high rainfall area are |
|||||||||
A |
Acidic |
B |
Basic |
C |
Alkaline |
D |
Saline |
||
Horizon B2 is also known as |
|||||||||
A |
Illuvial horizon |
B |
Eluvial horizon |
C |
Solum |
D |
Transition horizon |
||
Hematite is converted to limonite by the process of |
|||||||||
A |
Hydration |
B |
Hydrolysis |
C |
Oxidation |
D |
Carbonation |
||
Name of phosphorus supplying mineral is |
|||||||||
A |
Quartz |
B |
Apatite |
C |
Feldspar |
D |
Calcite |
||
The horizon A + B are collectively called as |
|||||||||
A |
Solum |
B |
Regolith |
C |
Organic |
D |
Illuvial |
||
The order of desert soil is |
|||||||||
A |
Entisoils |
B |
Aridisols |
C |
Vertisols |
D |
Inceptisols |
||
The best agricultural texture is |
|||||||||
A |
Loam |
B |
Sand |
C |
Silt |
D |
Clay |
||
The water retained by air dried soils is considered as |
|||||||||
A |
Gravitational |
B |
Hygroscopic |
C |
Capillary |
D |
Free |
||
Natural soil aggregates are known as |
|||||||||
A |
Peds |
B |
Clods |
C |
Floccules |
D |
None of these |
||
Soil pH is a measure of |
|||||||||
A |
Active acidity |
B |
Reserve acidity |
C |
Exchange acidity |
D |
None of these |
||
Infiltration rate is relatively higher in |
|||||||||
A |
Sandy soil |
B |
Clay loam soil |
C |
Silty soil |
D |
Clayey soil |
||
Widely accepted fixed value of particle density is |
|||||||||
A |
1.5 g/cc |
B |
2.65 g/cc |
C |
2.29 g/cc |
D |
1.65 g/cc |
||
Solution whose strength or concentration is accurately known is termed as |
|||||||||
A |
Normal solution |
B |
Concentrate solution |
C |
Standard solution |
D |
solvent |
||
Study of origin, classification, morphology of soil is known as |
|||||||||
A |
Pedology |
B |
Edaphology |
C |
Soil physics |
D |
Physical chemistry |
||
Solution which contains one gram eq. wt. of substance dissolved in one lit. of solution is known as |
|||||||||
A |
Molar solution |
B |
Normal solution |
C |
Molal solution |
D |
Standard solution |
||
The size of silt fraction according to USDA system is |
|||||||||
A |
0.05-0.002 mm |
B |
0.02-0.002 mm |
C |
< 0.02 mm |
D |
0.20.02 mm |
||
The range of usefulness of tensiometer is between |
|||||||||
A |
10-15 bar |
B |
1-10 bar |
C |
0.0-0.8 bar |
D |
- 15 bar |
||
An average solar radiation reaching to the earth is |
|||||||||
A |
80 % |
B |
70 % |
C |
60% |
D |
50% |
||
Maximum density of water is at |
|||||||||
A |
4 oC |
B |
- 4 oC |
C |
0 oC |
D |
10 oC |
||
The water content on mass basis can be converted into volume basis by multiplying it with |
|||||||||
A |
Particle density |
B |
Surface tension |
C |
Bulk density |
D |
Total potential |
||
Earning: Approval pending. |