187 + Mcqs in Soil Science in Agriculture Page 1 McqOptions

1.	Which one of the following are macro nutrients__________________?
A.	N,P,K
B.	C,H,O
C.	Ca,Mg,S
D.	All the above
Answer» D. All the above

Discussion

2.	Which one of the following is physical property of soil______________________?
A.	Hydration
B.	Oxidation
C.	Reduction
D.	None of the above
Answer» E.

Discussion

3.	Which rock contain potash feldspar ?
A.	Syeruite
B.	Gabbro
C.	Norile
D.	All the above
Answer» B. Gabbro

Discussion

4.	Which rock is harder_________________?
A.	Metamorphic
B.	Sedimentary
C.	Igneous
D.	Sand stone
Answer» B. Sedimentary

Discussion

5.	Which silica mineral is present in soil in abundant quantity____________________?
A.	Quartz
B.	Smectite
C.	Gypsum
D.	All the above
Answer» B. Smectite

Discussion

6.	Which soil bolds more water ?
A.	Sandy
B.	Stony
C.	Clayey
D.	Sitry
Answer» D. Sitry

Discussion

7.	Which soil is suitable for nce________________?
A.	Fine textured
B.	Coarse textured
C.	Sandy
D.	None of the above
Answer» B. Coarse textured

Discussion

8.	While diluting acid always add_____________________?
A.	Acid to water
B.	Water to acid
C.	Both a & b
D.	none
Answer» B. Water to acid

Discussion

9.	While handing concentrated acids. bases or other hazardous chemicals use_________________?
A.	Table
B.	Fume hoods
C.	Both a & b
D.	None of the above
Answer» C. Both a & b

Discussion

10.	Who characterized soil formation as set of “4” process______________________?
A.	Jinney
B.	Ziking
C.	Newton
D.	Simonson
Answer» E.

Discussion

11.	Who gave the defination of humic acid ?
A.	Gapon
B.	Felbeek
C.	Neir
D.	Liekig
Answer» C. Neir

Discussion

12.	Who gave the equation for study of soil property ?
A.	Ziebig
B.	Newton
C.	Neil
D.	Jenny
Answer» E.

Discussion

13.	Widely spread saprophytic fungi is________________________?
A.	Basidiomycetes
B.	Ascomycetes
C.	Endospore
D.	None of the above
Answer» C. Endospore

Discussion

14.	Which mulch reduce soil temperature?
A.	Polythene
B.	White polythene
C.	Black polythene
D.	Both B&C
Answer» B. White polythene

Discussion

15.	Which mineral contain phosphorus__________________?
A.	Igneous
B.	Metamorphic
C.	Apatite
D.	None of the above
Answer» D. None of the above

Discussion

16.	Which is passive factor of weathering ?
A.	Climate
B.	Parent material
C.	Organisms
D.	Temperature
Answer» C. Organisms

Discussion

17.	Which instrument is used for determining soil texture___________________?
A.	Lysimeter
B.	Hydrometer
C.	Thermometer
D.	All the above
Answer» C. Thermometer

Discussion

18.	Which element can be fixed by smecitite___________________?
A.	Mgº
B.	Kº
C.	NH2
D.	Both b & c
Answer» C. NH2

Discussion

19.	Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?
A.	Apatite
B.	Calcite
C.	Dolomite
D.	Gypsum
Answer» E.

Discussion

20.	Which compound decay slowly______________________?
A.	Amino acid
B.	Lignin
C.	fats
D.	Cellulose
Answer» C. fats

Discussion

21.	Which bacteria convert nitrite to nitrate___________________?
A.	Frankia
B.	Nitrobacter
C.	Pseudomonas
D.	None of the above
Answer» C. Pseudomonas

Discussion

22.	Which bacteria causes fermentation__________________?
A.	Azotobacter
B.	Bacillus
C.	Pseudomonas
D.	Corey
Answer» D. Corey

Discussion

23.	When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
A.	Chelate
B.	Solution complex
C.	Complex ion
D.	All the above
Answer» B. Solution complex

Discussion

24.	Weathering of gabbros gives_____________________?
A.	Sand and clay
B.	Clay and iron oxide
C.	Clay and Mg oxides
D.	Sand and iron oxide
Answer» C. Clay and Mg oxides

Discussion

25.	Weathering is_______________________?
A.	Destructive process
B.	Constructive process
C.	Both a & b
D.	None of the above
Answer» D. None of the above

Discussion

26.	Vertical movement of water was studied by_________________?
A.	Ziebig
B.	Darcy
C.	Kohler
D.	Niel
Answer» C. Kohler

Discussion

27.	Urea in manufactured form gases________________________?
A.	NH3
B.	NH48CO2
C.	NH3 & CH4
D.	All the above
Answer» C. NH3 & CH4

Discussion

28.	Tuff is__________________?
A.	Soil
B.	Water
C.	Volcanic ash
D.	Consolidated ash
Answer» D. Consolidated ash

Discussion

29.	TSP contains____________________?
A.	14%
B.	46%P
C.	40%P
D.	50%P
Answer» C. 40%P

Discussion

30.	Total salt affected soils of Pakistan are____________________?
A.	6.3 m ha
B.	5.0 m ha
C.	12.3 m ha
D.	10.5 m ha
Answer» B. 5.0 m ha

Discussion

31.	Thickness of Dikes ranges from___________________?
A.	2-10 m
B.	Few m 10 m
C.	Few cm 10 cm
D.	10-12 cm
Answer» B. Few m 10 m

Discussion

32.	Thick concordant bodies which force the overlying sediments to form dome-shaped hills are called_____________________?
A.	Laccoliths
B.	Pegmatic
C.	Dike
D.	Batholiths
Answer» B. Pegmatic

Discussion

33.	The zorawar is brand name of ___________________?
A.	TSP
B.	DAP
C.	MAP
D.	None of the above
Answer» D. None of the above

Discussion

34.	The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?
A.	Seepage
B.	Soil erosion
C.	Soil contamination
D.	All the above
Answer» C. Soil contamination

Discussion

35.	The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?
A.	Evaptranspiration
B.	Transpiration
C.	Evaporation
D.	Guttation
Answer» B. Transpiration

Discussion

36.	The unit of electrical conductivity is____________________?
A.	dsm-1
B.	mmhos/m
C.	ms/cm
D.	All the above
Answer» B. mmhos/m

Discussion

37.	The tree sends down roots from its branches to the soil is know as:_______?
A.	Oak
B.	Pine
C.	Banyan
D.	Palm
Answer» D. Palm

Discussion

38.	The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?
A.	> 50 mg kg-1
B.	> 10 mg-1
C.	> 400 mg kg-1
D.	None of these
Answer» D. None of these

Discussion

39.	The time for which water and ion remains in vicinity is called_____________________?
A.	Primary hydration
B.	ppm
C.	Normality
D.	Residence time
Answer» E.

Discussion

40.	The term applied to a material which tends to absorb moisture from the atmosphere is called__________________?
A.	Capillary
B.	Hydroscopic
C.	Available
D.	Gravitational
Answer» C. Available

Discussion

41.	The symbol of Na stands for___________________?
A.	Nickle
B.	Natrium
C.	Neon
D.	None of these
Answer» E.

Discussion

42.	The soil of Sindh (Pakistan) have pH______________________?
A.	5.0 to 6.5
B.	6.5 to 7.5
C.	7.5 to 8.5
D.	8.5 to 9.5
Answer» D. 8.5 to 9.5

Discussion

43.	The site of grains present in sands structuring range__________________?
A.	1.00 0.0625 mm dia
B.	0.0625 mm dia
C.	0-1.0 mm dia
D.	None of the above
Answer» C. 0-1.0 mm dia

Discussion

44.	The science of growing terrestrial plants in an aerated solution is known as___________________?
A.	Nutrient film technique
B.	Hydrology
C.	Hydrants
D.	Hydroponics
Answer» E.

Discussion

45.	The salinity can be reduced by the application of___________________?
A.	Lime
B.	Sulphuric acid
C.	Urea
D.	All the above
Answer» B. Sulphuric acid

Discussion

46.	The safe limit of No2 in drinking water is_____________________?
A.	10 mg L-1
B.	15 mg L-1
C.	20 mg L-1
D.	None of the above
Answer» B. 15 mg L-1

Discussion

47.	The reaction of Na2 CO3 salt is____________________?
A.	Alkaline
B.	Neutral
C.	Acidic
D.	None of the above
Answer» B. Neutral

Discussion

48.	The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?
A.	Eutrophication
B.	Nitrification
C.	Denitrification
D.	Sedimentation
Answer» B. Nitrification

Discussion

49.	The problem of soil crosion Thal and Cholistan is predominantly due to___________________?
A.	Wind
B.	Air
C.	Water
D.	All the above
Answer» B. Air

Discussion

50.	The plant in which CO2 fixation is solely via the Calvin cycle is_____________________?
A.	C
B.	CAB
C.	C
D.	CAM
Answer» C. C

Discussion

Explore topic-wise MCQs in Agriculture .

Which one of the following are macro nutrients__________________?

Which one of the following is physical property of soil______________________?

Which rock contain potash feldspar ?

Which rock is harder_________________?

Which silica mineral is present in soil in abundant quantity____________________?

Which soil bolds more water ?

Which soil is suitable for nce________________?

While diluting acid always add_____________________?

While handing concentrated acids. bases or other hazardous chemicals use_________________?

Who characterized soil formation as set of “4” process______________________?

Who gave the defination of humic acid ?

Who gave the equation for study of soil property ?

Widely spread saprophytic fungi is________________________?

Which mulch reduce soil temperature?

Which mineral contain phosphorus__________________?

Which is passive factor of weathering ?

Which instrument is used for determining soil texture___________________?

Which element can be fixed by smecitite___________________?

Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?

Which compound decay slowly______________________?

Which bacteria convert nitrite to nitrate___________________?

Which bacteria causes fermentation__________________?

When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?

Weathering of gabbros gives_____________________?

Weathering is_______________________?

Vertical movement of water was studied by_________________?

Urea in manufactured form gases________________________?

Tuff is__________________?

TSP contains____________________?

Total salt affected soils of Pakistan are____________________?

Thickness of Dikes ranges from___________________?

Thick concordant bodies which force the overlying sediments to form dome-shaped hills are called_____________________?

The zorawar is brand name of ___________________?

The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?

The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?

The unit of electrical conductivity is____________________?

The tree sends down roots from its branches to the soil is know as:_______?

The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?

The time for which water and ion remains in vicinity is called_____________________?

The term applied to a material which tends to absorb moisture from the atmosphere is called__________________?

The symbol of Na stands for___________________?

The soil of Sindh (Pakistan) have pH______________________?

The site of grains present in sands structuring range__________________?

The science of growing terrestrial plants in an aerated solution is known as___________________?

The salinity can be reduced by the application of___________________?

The safe limit of No2 in drinking water is_____________________?

The reaction of Na2 CO3 salt is____________________?

The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?

The problem of soil crosion Thal and Cholistan is predominantly due to___________________?

The plant in which CO2 fixation is solely via the Calvin cycle is_____________________?