Updated Soil Science MCQs ( Agriculture ) MCQs – Agriculture MCQs
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Latest Agriculture MCQs
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Latest Soil Science Mcqs ( Agriculture ) Mcqs
The most occurred mcqs of Soil Science Mcqs ( Agriculture ) in past papers. Past papers of Soil Science Mcqs ( Agriculture ) Mcqs. Past papers of Soil Science Mcqs ( Agriculture ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Soil Science Mcqs ( Agriculture ) Mcqs. The Important series of Soil Science Mcqs ( Agriculture ) Mcqs are given below:
Father of agricultural chemistry is___________________?
A. Vonliebig
B. Neuron
C. Neil Brady
D. J. jones
Organic soil are called____________________?
A. Arid soil
B. Peat
C. Muck
D. Both a & b
Main product of photosynthesis is_____________________?
A. C6H12O6
B. C3H6O6
C. C12H24O12
D. C5H12O6
Mechanisms of material uptake by plants is by____________________?
A. Osmosis
B. Diffusion
C. Root interception
D. Mass flow
Planets in our system are____________________?
A. 12
B. 8
C. 10
D. 9
hydrosphere refers to______________________?
A. Zone of water
B. Zone of atmosphere
C. Zone of air
D. Zone of earth crust
The inner shell of earth consists of_____________________?
A. Silicate
B. Fe
C. Mg
D. Silicate of Fe & Mg
Fine-graned rocks formed on earth crust are called____________________?
A. Sedimentary rock
B. Extrusive rock
C. Intensive igneous rock
D. Plutonic
Which rock contain potash feldspar ?
A. Syeruite
B. Norile
C. Gabbro
D. All the above
The site of grains present in sands structuring range__________________?
A. 0-1.0 mm dia
B. 0.0625 mm dia
C. 1.00 0.0625 mm dia
D. None of the above
Rocks formed from compacted clay or mud are called____________________?
A. Shale
B. Sand stone
C. Clay stone
D. None of the above
Which rock is harder_________________?
A. Metamorphic
B. Igneous
C. Sedimentary
D. Sand stone
Most abundant mineral in the earth crust is______________________?
A. S-Feldspar
B. Feldspar
C. N-Feldspar
D. Amplubole
Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?
A. Calcite
B. Apatite
C. Dolomite
D. Gypsum
Geochemical weathering processes occurs______________________?
A. At the level
B. Below soil solum
C. On surface
D. On the mountain
Color off basic matic rock is_____________________?
A. Yellow
B. Dark colored
C. Light green
D. Blue
Igneous rock whose crystal is 1 cm called____________________?
A. Felsic
B. Plutonic
C. Pegmatitic
D. Mafic
Thick concordant bodies which force the overlying sediments to form dome-shaped hills are called_____________________?
A. Laccoliths
B. Dike
C. Pegmatic
D. Batholiths
Places where volcanoes occur are_________________?
A. Mid-Atlantic ridge
B. Pacific ocean
C. Mediterranean sea
D. All the above
Large pieces of erupted magma are called_____________________?
A. Dike
B. Volcanic block
C. Volcanic ash
D. Sill
Weathering of gabbros gives_____________________?
A. Clay and Mg oxides
B. Clay and iron oxide
C. Sand and clay
D. Sand and iron oxide
Plant Breeding And Genetics MCQs
Which one of the following is physical property of soil______________________?
A. Oxidation
B. Hydration
C. Reduction
D. None of the above
Which soil bolds more water ?
A. Stony
B. Sandy
C. Clayey
D. Sitry
Which soil is suitable for nce________________?
A. Fine textured
B. Sandy
C. Coarse textured
D. None of the above
The aggregation of individual particles is called___________________?
A. Texture
B. Granulation
C. Flocculation
D. Structure
Color of fertile soil is_____________________?
A. Green
B. White
C. Brown
D. Black
Weathering is_______________________?
A. Constructive process
B. Destructive process
C. Both a & b
D. None of the above
Who gave the equation for study of soil property ?
A. Newton
B. Ziebig
C. Neil
D. Jenny
The nutrient particularly influencing root growth is___________________?
A. Nitrogen
B. Zinc
C. Organic
D. Phosphorus
Who characterized soil formation as set of “4” process______________________?
A. Ziking
B. Jinney
C. Newton
D. Simonson
Slipperiness is due to__________________?
A. Wire bond
B. Vander walls forces
C. Covalent bond
D. None of the above
Which element can be fixed by smecitite___________________?
A. NH2
B. Kº
C. Mgº
D. Both b & c
Permanent change in soil is due to__________________?
A. pH change
B. Ionic bonding
C. Covalent bonding
D. Isomorphic substitution
Gravimetric water is present in______________________?
A. Meso pores
B. Macro pores
C. Micro pores
D. None of the above
Vertical movement of water was studied by_________________?
A. Kohler
B. Darcy
C. Ziebig
D. Niel
When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
A. Chelate
B. Complex ion
C. Solution complex
D. All the above
pH of Pakistani soils is____________________?
A. 7.5
B. 7
C. 12
D. 14
Identify the fertilizer (s) containing potassium____________________?
A. MOP
B. SOP
C. Chilean salt peter
D. All the above
A soil is classified as sodic soil when______________________?
A. EC is 8.5
B. SAR is >13
C. All of the above
D. None of the above
The available from of nitrogen for plant is________________?
A. NH4
B. NO3
C. Both a & b
D. None of the above
The molar mass of NaCl is_____________________?
A. 43.28
B. 56.58
C. 50.58
D. 58.58
The available form of calcium to plant is________________?
A. Ca(free cation
B. Ca
C. CaO
D. None of the above
International atomic weight of potassium is_________________?
A. 39.0
B. 41.0
C. 40.0
D. 38.0
The chemical formula of urea fertilizer is_______________________?
A. [CO(NH2)]
B. NH2CONH2
C. Both a & b
D. None of the above
Mineral soil contain organic carbon___________________?
A. 5%
B. >4%
C. <20%
D. >10%
Food Technology MCQs
Histols are found in______________________?
A. Pakistan
B. Alaska
C. Canada
D. Both b & c
Elements essentially required for growth of all plants species are___________________?
A. 15
B. 32
C. 16
D. 3
Problem of erosion in Thal and Cholistan is due to____________________?
A. Wind
B. Water
C. Fire
D. Atmosphere
Age of Earth is_____________________?
A. 4.5 billion years
B. 1 billion years
C. 4 billion years
D. 6 billion years
Lithosphere refers to____________________?
A. Zone of ozone
B. Zone of earth crust
C. Zone of atmosphere
D. Zone of water
The soil of Sindh (Pakistan) have pH______________________?
A. 6.5 to 7.5
B. 5.0 to 6.5
C. 7.5 to 8.5
D. 8.5 to 9.5
Rhyolite in nature is______________________?
A. Acidic
B. Basic
C. Both of the above
D. None of the above
Rocks which are formed by disintegration of pre-existing rocks by weathering are____________________?
A. Igneous
B. Classics
C. Sand stone
D. Greis
Silt stones consists of grains whose size range from____________________?
A. 0.625 mm
B. 0.0625 mm
C. 0.004 mm
D. Both b & c
Metamorphic rocks are formed from____________________?
A. Sedimentary rocks
B. Igneous rocks
C. Both a & b
D. Cleavage
Schist is example of____________________?
A. Name of mountain
B. Stone
C. Metamorphic rock
D. None of the above
Which mineral contain phosphorus__________________?
A. Metamorphic
B. Igneous
C. Apatite
D. None of the above
How many different minerals deposits are found in Pakistan ?
A. 30
B. 60
C. 100
D. None of the above
Plutonic rocks are also called____________________?
A. Intrusive igneous
B. Sedimentary
C. Metamorphic
D. Extrusive igneous rock
Felsic rocks consists of___________________?
A. Quartz
B. fe
C. Buiotitic
D. Quartz & Feldspars
Structure and size of aphantic rock is________________?
A. Large-Glassy
B. Fine grained
C. Course-grained like
D. Phenocryst
Thickness of Dikes ranges from___________________?
A. 2-10 m
B. Few cm 10 cm
C. Few m 10 m
D. 10-12 cm
Rocks having coarse bubble holes are called_______________________?
A. Mafic
B. Purr ice
C. Scoria
D. Felsic
Tuff is__________________?
A. Water
B. Soil
C. Volcanic ash
D. Consolidated ash
Attraction between similar particles is called____________________?
A. Vander wall
B. Cohesion
C. Adhesion
D. All the above
Process of mixing soil by fauna and flora is called__________________?
A. Leaching
B. Pedoturbation
C. Lessivage
D. Enrichment
Most widely spread mineral in the world is________________?
A. Salt
B. Kaolinite
C. Iron
D. None of the above
Soil particles having diameter greater than 2 mm are called___________________?
A. Silt
B. Clay
C. Sand
D. Gravel
Which instrument is used for determining soil texture___________________?
A. Thermometer
B. Hydrometer
C. Lysimeter
D. All the above
Physical condition of soil for plant growth is called___________________?
A. Tillage
B. Granulation
C. Tilth
D. All the above
Pneumatic potential is due to____________________?
A. Petrol
B. Water
C. Soil
D. Gas
Product of microorganism that appears to chelate calcium is called_____________________?
A. Carbon dioxide
B. 2-ketoghconic acid
C. Pyruive acid
D. Phospheric acid
Which is passive factor of weathering ?
A. Organisms
B. Parent material
C. Climate
D. Temperature
Mollic refers to____________________?
A. C-horizon
B. B-horizon
C. U-horizon
D. Surface horizon
Kaolinite can be identified by______________________?
A. Boiling
B. Spectrophotometer
C. X-ray diffraction
D. Breaking
Shrinking and swelling is property of__________________?
A. Silk
B. Clay
C. Water
D. Smecitie
Animal Husbandry MCQs
Size of clay particle is___________________?
A. 0.02mm
B. 0.002mm
C. 0.2mm
D. 2mm
Soil water can be determined by_____________________?
A. Macro pores
B. Mass water content
C. Both a & b
D. None of the above
Which one of the following are macro nutrients__________________?
A. C,H,O
B. N,P,K
C. Ca,Mg,S
D. All the above
An ion or molecule in the coordination sphere central ion is called__________________?
A. Chelate
B. Ligand
C. Complexion
D. Potential
Ligands that occur in Pakistan soils are__________________?
A. SO4-2 OH
B. OH1 HCO2
C. CO3-2 SO4-2
D. All the above
pH in coniferous forest is__________________?
A. Less than 7
B. Basis
C. Greater than 7
D. Neutral
A soil is categorized as saline when EC of saturation extract is______________________?
A. >4dsm-1
B. 0.4dsm-1
C. <4dsm-1
D. 0.4 4.0 dsm-1
How much percentage of soils of Pakistan are deficient in P______________________?
A. 60
B. 40-60
C. 50-70
D. 80-90
Microorganisms have C/N ratio of____________________?
A. 12:1
B. 4:1
C. 2:1
D. 20:1
The zorawar is brand name of ___________________?
A. DAP
B. TSP
C. MAP
D. None of the above
The factor used for conversion of P to P2O3 is____________________?
A. 0.643
B. 0.453
C. 0.436
D. None of the above
Acid soil contain pH____________________?
A. <7
B. 8.5
C. >8.0
D. >7
DAP fertilizer available in Pakistan contains__________________________?
A. 18% N & 46% P2O5
B. 100%P2O3
C. 46%N & 18%P2O3
D. 50%P2O3
Buffer solution is a solution which resist change in __________________ ?
A. pH
B. EC
C. SAP
D. RSC
The term applied to a material which tends to absorb moisture from the atmosphere is called__________________?
A. Available
B. Hydroscopic
C. Capillary
D. Gravitational
The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with___________________?
A. 3-15 meq/100g CEC
B. 50 meq/100g CEC
C. 40 meq/100g CEC
D. None of the above
A compound toxic to crop formed by the thermal decomposition of urea is_________________?
A. Diuret
B. Biurct (NH2CONH CONH2 H2O)
C. Uric acid
D. Both b & c
The unit of electrical conductivity is____________________?
A. dsm-1
B. ms/cm
C. mmhos/m
D. Al the above
The reaction of Na2 CO3 salt is____________________?
A. Alkaline
B. Acidic
C. Neutral
D. None of the above
Most of the productive soils in Pakistan have pH______________________?
A. Between 7.5 to 8.5
B. 8.5
C. Both of the above
D. None of the above
The deficient level of N (%) in plants suggested by various workers is____________________?
A. 5%
B. 3%
C. 0%
D. 10%
The chemical formula of Hematite is_____________________?
A. Fe OOH
B. Fe2O3
C. AL (OH)2
D. None of the above
The little clay mineral is_____________________?
A. Expending
B. Non-expending
C. None or little expending
D. None of the above
The net reaction of photosynthesis is_____________________?
A. CO2 + H2O light O2 + (CH3O)
B. (CH2O) + O2 CO2 + H2O)
C. CaCO3 + 2HCl CaCl2 H2O+CO3
D. None of the above