Soil Science (2022) | Agri Master Mind

Question: Match List I with List IIList I Soil parameters List II Unit A. Hydraulic conductivityI. kg m-3B. Hydraulic headII. N m-1C. Hydraulic diffusivityIII. m2 hr-1D. Bulk densityIV. m3 m-3E. Water contentV. mChoose the correct answer from the options given below:

A - IV, B - III, C - I, D - II, E - V
A - V, B - IV, C - I, D - III, E - II
A - III, B - V, C - II, D - I, E - IV
A - I, B - II, C - IV, D - III, E – V

Question: When did the 'All India Coordinated Research Project on Long-Term Fertilizer Experiments (AICRP-LTFE)' start?

1910
1950
1970
1980

Question: Calculate the normality of the solution containing 5 g of NaOH dissolved in 250 mL of aqueous solution.

0.5
1.0
0.1
0.05

Question: Match List I with List II List I List II Weathering Reaction Weathering process A. CaSO4 + 2H2O > CaSO4.2H2O I. Oxidation B. 2Fe2O3 > 4FeO II. Hydration C. KAlSi3O8 + HOH> HAlSi3O8 + KOH III. Reduction D. 4FeO + O2> 2Fe2O3 IV. Hydrolysis Choose the correct answer from the options given below:

A - II, B - III, C - I, D - IV
A - II, B - III, C - IV, D - I
A - III, B - II, C - I, D - IV
A - III, B - IV, C - I, D – II

Question: Match List I with List II List I List II A. Electronegativity I. Good conductor of heat and electric current B. Ionization energy II. Type of ion formed by Group 2A elements C. Metal III. Subatomic particles that are transferred to form positive and negative ions D. Cation IV. The ability of an atom to attract electrons when the atom is in a compound V. Energy required to remove an electron from an atom Choose the correct answer from the options given below:

A - IV, B - V, C - I, D - II
A - V, B - III, C - IV, D - I
A - I, B - III, C - IV, D - V
A - II, B - III, C - IV, D – I

Question: In the USDA soil classification system, fine sand has a size range of

2.0-0.50 mm,
0.50-0.25 mm,
0.25-0.10 mm,
0.10-0.05 mm,

Question: The solubility of gases in water can be calculated using

Henry's law,
Raout'Fs law,
Avagadro's law,
Gaylusac's law,

Question: What is another name for the transition metals?

Noble gases,
Group 3-12 elements,
Group 1 elements,
Group 18 elements,

Question: Beri Beri is caused due by the deficiency of

Vitamin B12
Vitamin B2
Vitamin B6
Vitamin B1

Question: Exhaustive hydrolysis and leaching in desert soils lead to the formation of clay minerals

Illite
Kaolinitic
Smectites,
Allophanes,

Question: "PUSA STFR METER KIT" is used for

Plant N content,
Crop irrigation requirement,
Pesticide formulation,
Soil available N content,

Question: Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Mulching controls soil erosion and improves soil water retention Reason R: Intensive tillage-based agricultural production system has had a negative impact on qualities of soil, water, and biodiversity. In light of the above statements, choose the correct answer from the options given below.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true

Question: Necrosis of apical meristem is the deficiency of __________

Copper,
Boron,
Calcium,
Potassium,

Question: The primary mode of soil aeration is

Diffusion
Mass flow
Diffusion-dispersion combined
Transfer of dissolved gases by rain or irrigation

Question: Ribosomes are synthesized by

Nucleus
Nucleolus
Endoplasmic reticulum
Mitochondria

Question: UN conference on human environment was held in the year

1988
1962
1972
1992

Question: The youngest leaf is brownish or dead due to deficiency of element

Boron
Manganese
Phosphorus
Potassium

Question: Which one of the following are Phosphate-solubilizing bacteria?

Azospirillum
Penicillium
Bacillus
Azotobacter

Question: Which of the following suborders belongs to the order of Alfisols?

Boralf
Aqults
Ochrepts
Fluvents

Question: Given below are two statements Statement I: Dominance of Ca2+ and Mg2+ on the clay exchange complex decreases the zeta potential that results in the flocculation of clay particles. Statement II: High Na2+ saturation in the soil increases the zeta potential resulting in dispersion of clay particles. In light of the above statements, choose the correct answer from the options given below

Both Statement (I) and Statement (II) are correct
Both Statement (I) and Statement (II) are incorrect
Statement (I) is correct, but Statement (II) is incorrect
Statement (I) is incorrect, but Statement (II) is correct

Question: Which of the following is the available form of Molybdenum to plants?

MoO4 2-
MoO4 –
HMoO4 –
HMoO4 2-

Question: Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Drainage increases the soil temperature. Reason R: Drainage decreases the heat capacity. In light of the above statements, choose the most appropriate answer from the options given below.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true

Question: Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Darcy’s law is valid for a steady and stationary flow process in the soil. Reason R: In a steady flow condition, potential and gradient at every point in the flow path remain constant. In light of the above statements, choose the most appropriate answer from the options given below.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true

Question: Which of the following vitamins perform a coenzyme function?

Vitamin A
Vitamin B
Vitamin C
Vitamin A, B, and C

Question: Thorthwait's formula is used for the calculation of

Evaporation (E)
Transpiration (T)
Evapotranspiration (ET)
Potential evapotranspiration (PET)

Question: Vesicular Arbuscular Mycorrhiza has an important role in increasing the availability of

Potassium
Phosphorus
Sulphur
Zinc

Question: Suppose roots, straw, and grain of a wheat crop producing dry matter of 2.5 t/ha, 6 t/ha, and 4 t/ha contain 0.2%, 0.5%, and 1.2% N, respectively. How much total N uptake by wheat?

65 kg/ha
75 kg/ha
85 kg/ha
95 kg/ha

Question: Water use efficiency in increasing order

Surface irrigation, Sprinkler irrigation, Drip irrigation, Pitcher pot irrigation
Sprinkler irrigation, Pitcher pot irrigation, Surface irrigation, Drip irrigation
Drip Irrigation, Surface irrigation, Sprinkler irrigation, Pitcher pot irrigation
Pitcher pot irrigation, Drip irrigation, Surface irrigation, Sprinkler irrigation

Question: Movement of nutrients from soil to root in convective flow of water is ____________

Mass flow
Diffusion
Osmosis
Root interception

Question: land Capability class I is denoted by which color?

Green
Yellow
Red
Blue

Question: Which of the following is the smallest is the carbohydrate - triose?

Ribose
Glucose
Glyceraldehyde
Dihydroxyacetone

Question: Weathering Index of Kaolinite is _________

10
8
7
9

Question: Naturally formed aggregates are known as

Crusts
Concretions
Flocculens
Peds

Question: The most important soils for agriculture are

Alluvial soils
Black soils
Red soils
Saline soils

Question: Match List I with List II List I List II Name of Theory Theory proposed A. Hydrodynamics I. Daniel Bernoulli B. Acoustics II. Marie Curie C. Mechanics III. Johannes Kepler D. Aerodynamics IV. Hermann von Helmholtz V. Ludwig Prandtl Choose the correct answer from the options given below:

A - I, B - II, C - III, D - IV
A - I, B - II, C - III, D - V
A - II, B - III, C - IV, D - V
A - I, B - IV, C - III, D - V

Question: How many kilograms of soil are in one hectare in 15 cm depth having a bulk density of 1.33 g/cm3?

17,95,000 kg
19,95,000 kg
15,95,000 kg
21,95,000 kg

Question: Which of the following is an active sensor?

Multispectral scanner
Hyperspectral scanner
Thermal scanner
Laser scanner

Question: Which of the following vitamins aids in blood clotting?

Vitamin K
Vitamin C
Vitamin D
Vitamin A

Question: The solubility product of PbF2 is 3.2 × 10-8; Calculate the solubility of PbF2 in mole L-1

2×10⁻³
0.49
3×10⁻²
0.2

Question: The wet digestion method is followed for the estimation of

pH
EC
Organic carbon
Cation exchange capacity

Question: Organo mercurial compounds are

Herbicides
Fungicides
Fumigants
Insecticides

Question: Which of the following sphere is NOT associated with the soil?

Ionosphere
Atmosphere
Lithosphere
Hydrosphere

Question: Given below are two statements Statement I: Application of nitrogenous fertilizer leads to N2O emission from the soil. Statement II: Nitrous oxide is present in larger quantities compared to methane in the atmosphere, and therefore possesses a higher potent danger. In light of the above statements, choose the correct answer from the options given below.

Both Statement (I) and Statement (II) are correct
Both Statement (I) and Statement (II) are incorrect
Statement (I) is correct, but Statement (II) is incorrect
Statement (I) is incorrect, but Statement (II) is correct

Question: Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The effective rainfall erosion index of a given area is linearly proportional to the percent of ground that is not covered by vegetation. Reason R: Rain erosion index includes both the kinetic energy of rain and the maximum 30-min rain intensity. In light of the above statements, choose the most appropriate answer from the options given below.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true

Question: Farmers Information and Advisory Centre (FIAC)

Village level
Block level
District level
State level

Question: Medium and deep black soils are grouped in the order of

Alfisols
Entisols
Vertisols
Inceptisols

Question: Given below are two statements Statement I: The permanent charge of silicate clay minerals results from isomorphous substitution within the clay lattice. Statement II: The pH-dependent charges depend on the dissociation of H+ ions from the edges of the crystal unit. In light of the above statements, choose the correct answer from the options given below.

Both Statement (I) and Statement (II) are correct
Both Statement and Statement (II) are incorrect
Statement (I) is correct, but Statement (II) is incorrect
Statement (I) is incorrect, but Statement (II) is correct

Question: The effective soil volume of measurement through neutron probe, is known as

Depth of soil water content
Representative volume of soil
Sphere of measurement
Sphere of influence

Question: Which of the following are examples of Epimers?

Glucose and Ribose
Glucose and Galactose
Galactose, Mannose, and Glucose
Glucose, Ribose, and Mannose

Question: The pesticide used in the foundation of buildings for preventing termite attack is

DDT
BHC
Endrin
Aldrin

Question: Most easily weathered mineral is __________

Olivine
Ilmenite
Orthoclase
Quartz

Question: Match List with List II List I List II Book Author A. The Nature and Properties of Soils I. H. S. Mavi B. Introduction to Agrometeorology II. G. Joseph and C. Jeganathan C. Fundamentals of Remote Sensing III. Micheal N. Demers D. Fundamentals of Geographic Information Systems IV. Nyle C. Brady and Ray R. Weil Choose the correct answer from the options given below:

A - V, B - I, C - II, D - III
A - V, B - II, C - I, D - IV
A - IV, B - I, C - II, D - III
A - IV, B - II, C - I, D - III

Question: Given below are two statements Statement I: The surface of a 'pedon' is roughly polygonal. Statement II: The surface area of a pedon ranges from 1 m2 to 10 m2 In light of the above statements, choose the correct answer from the options given below.

Both Statement (I) and Statement (II) are correct
Both Statement and Statement (II) are incorrect
Statement (I) is correct, but Statement (II) is incorrect
Statement (I) is incorrect, but Statement (II) is correct

Question: As compared to temperature climate a poikilothermic organism living in the arctic is richer in

Cholesterol
Long-chain fatty acids
Protein
Unsaturated fatty acids

Question: A solution of 0.30 % is equivalent to____ ppm

3000
30
30000
3

Question: Which class of carbohydrates is considered non-sugar?

Monosaccharides
Disaccharides
Polysaccharides
Oligosaccharides

Question: Soils formed due to the influence of parent material masking the effect of climate is _______________

Endodynamomorphic
Ectodynamomorphic
Metamorphic
Lateritic

Question: Absorption of ions by plant roots along the electrochemical potential is ________

Active absorption
Passive absorption
Diffusion
Root interception

Question: Nutrient mobility was given by _________

Mitscherlich
Bray
Liebig
Wallace

Question: Which of the following program has considered the 'poorest of the poor' people as the target group?

Training of Rural Youth for Self-Employment (TRYSEM)
Indra Awaas Yojana (IAY)
Integrated Rural Development Programme (IRDP)
Jawaharlal Nehru Rozgar Yojana (JRY)

Question: Movement of a nutrient ion in response to concentration gradient is _________

Mass flow
Diffusion
Osmosis
Root interception

Question: Which of the following manure has the highest content of Nitrogen?

Cowdung
Mustard cake
Poultry litter
Blood meal

Question: Partially weathered bedrock is____horizon

R
C
Biomantle
D

Question: Highest wind erosion has occurs in

East India
West India
North India
South India

Question: Mineral particles less than 2 mm in equivalent diameter, ranging between specified size limits is ____________

Ped
Soil separates
Soil order
Stoniness

Question: What is the normality of HCl if 15 ml of 0.1N Na2CO3 is consumed to titrate 10 ml of HCl?

1.5
1.0
0.5
0.15

Question: Which of the following is an example of a non-edible oilcake is NOT suitable for feeding cattle?

Castor
Groundnut
Rapeseed
Sesame

Question: Which of the following is NOT a micro-irrigation system?

Sprinkler irrigation
Pitcher pot irrigation
Drip irrigation
Furrow irrigation

Question: Which of the following is/are limitations of Stoke’s law?

The effect of different particles depends on the settling velocity of particles
Constant temperature during mechanical analysis
Both 1 & 2
None of these

Question: The nucleosome

Contains DNA and nonhistone proteins
Has a core of histones with DNA wound around it
Is fully responsible for DNA packaging into chromosomes
Surrounds nuclear pore

Question: Elements trapped in between precipitate particles is ____________

Surface attraction
Occlusion
Precipitation
Inclusion

Question: Functional element was introduced by ______________

Nicholas
Priestly
Warrington
Arnon

Question: Calculate the void ratio of a soil having bulk density of 1.60 g cm-3

0.66
0.24
0.35
0.80

Question: Whiptail of cauliflower is due to the deficiency of

Copper
Zinc
Molybdenum
Nitrogen

Question: Which type of satellite is generally used for communication purposes?

Polar orbiting
Sun-synchronous
Geostationary
Experimental

Question: In situ unsaturated hydraulic conductivity is measured by

Tension infiltrometer
Double ring infiltrometer
Tensiometer
Neutron probe

Question: Given below are two statements Statement I: 'Hue is a measure of the chromatic composition of light. Statement II: The Munsell system is based on five principal hues In light of the above statements, choose the correct answer from the options given below

Both Statement I and Statement II are true
Both Statement I and Statement II are false
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true

Question: Utilization of N from atmosphere by legumes was first observed by

Jean-Baptiste Bousingault
David Baltimore
Martinus W. Beijerinck
Sergei N. Winogradsky

Question: Plane of formation of the cell plate in a plant cell is governed by

Phragmoplast
Nucleus
Centriole
Microtubules

Question: In the infiltration moisture profile, the saturation zone is followed by

Wetting zone
Drying zone
Transition zone
Wetting front

Question: The most homogeneous category on the soil taxonomy is

Soil series
Soil family
Soil suborders
Soil orders

Question: If t 1/2 is 46 days, how much of this material will be left from 1 mole of this substance after 184 days?

0.0625 mole
0.2652 mole
0.2662 mole
0.2623 mole

Question: Pick up the wavelength ranges associated with UV spectroscopy.

0.8 - 500 µm
400 - 100 nm
380 - 750 nm
0.01- 10 nm

Question: Erosion-resistance crop is

Maize
Bajra
Jowar
Black gram

Question: Given below are two statements Statement I: Al (OH)2+ ion is predominant in soil between pH 4.7 & 6.5. Statement II: Al3+ ion is predominant in soil pH below 4.7 In light of the above statements, choose the correct answer from the options given below.

Both Statement I and Statement II are true
Both Statement I and Statement II are false
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true

Question: Which of the following is NOT a 'deemed-to-be-university'?

Indian Agricultural Research Institute
Indian Veterinary Research Institute
National Dairy Research Institute
Central Institute of Agricultural Engineering

Question: Who has put forward the 'Law of Minimum'?

E. A. Mitscherlich
Bernhard Baule
von Liebig
F. F. Blackman

Question: Accumulation of soluble salts in soils is called?

Laterization
Podzolization
Gleization
Salinization

Question: Which, among the following soil orders, are maximally area distributed in India?

Inceptisols
Alfisols
Entisols
Vertisols

Question: The cation exchange capacity of clay minerals follows in the order of

Montmorillonite > Vermiculite > Illite > Kaolinite
Montmorillonite > Illite > Vermiculite > Kaolinite
Vermiculite > Montmorillonite > Illite > Kaolinite
Vermiculite > Illite > Montmorillonite > Kaolinite

Question: If a road elevation changes 10 m over a horizontal distance of 100 m, the slope will be

0.01%
0.1%
1%
10%

Question: Identify the most critical stage of wheat when irrigation is required

Tillering stage
Booting stage
Flowering stage
Crown root initiation stage

Question: Arrange the following forms of soil consistencies with decreasing soil wetness A. Soft B. Friable C. Plastic D. Viscous E. Sticky Choose the correct answer from the options given below.

A, B, C, D, E
A, C, D, E, B
B, A, C, E, D
D, E, C, A, B

Question: Irrigation is likely to be used, where the water supply is ample and the market value of the crop is low

Drip irrigation
Check basin irrigation
Wild flooding
Sprinkler irrigation

Question: Which electromagnetic wave band is most sensitive to plant chlorophyll content?

Green
Red
Near infrared
Thermal infrared

Question: The soil structure can be defined as A. The very fragments or clods into which the soil breaks up B. Three-dimensional arrangement of individual mineral grains and organic constituents C. Assemblage of aggregates (peds) and voids, including voids between and within aggregates D. Relative distribution and arrangement of soil particlesChoose the correct answer from the options given below:

D only
A and C only
A, C and D only
A, B and C only

Question: Following are four stages of gully development. Arrange these in order. A. Healing stage B. Development stage C. Stabilization stage D. Formation stage Choose the correct answer from the options given below.

A, B, C, D
D, B, A, C
D, C, B, A
D, B, C, A

Question: Which soil has more pore space?

Sandy soil
Clay soil
Sandy loam soil
Silty soil

Question: Which crops removes maximum N from the soil?

Barley
Wheat
Maize
Oats

Question: Which of the following crops has maximum water requirement?

Rice
Wheat
Barley
Oat

Question: Pitcher irrigation is NOT suitable for

Tomato crop
Brinjal crop
Wheat crop
Broccoli crop

Question: E value was given by __________

Larsen
Russel
Fried and Dean
Beer and Lambert

Question: Which of the following is the prerequisite for aggregation?

Dispersion
Fractionation
Sedimentation
Flocculation

Question: The first organic pesticide to be used commercially was

Bordeaux mixture
Burgundy mixture
DDT
2,4-D

Question: Which of the following is present only in plants?

Plasmodesmata
Desmosomes
Gap junctions
None

Question: A molecule of amylopectin contains 1500 glucose residues and is branched after every 30 residues. How many reducing ends are there?

0
1
2
5

Question: Biological measures for soil erosion is

Strip cropping
Bench terracing
Contour bench terracing
Broad base terrace

Question: Which of the following is NOT a herbicide?

Sodium chlorate
Sodium arsenate
Polyphosphate
Triazines

Question: Which remote sensing is capable of penetrating through the cloud?

Thermal
Optical
Optical and Near-Infrared
Microwave

Question: A soil sample collected with a cylindrical core sampler having height of 15 cm and diameter of 6 cm has a fresh weight of 500 g and oven dry weight of 450 g. Calculate bulk density

1.38
1.17
1.06
1.25

Question: Fluoride pollution mainly affects

Kidney
Brain
Heart
Teeth

Question: Raingun irrigation system is the method form of

Drip irrigation
Surface irrigation
Sprinkler irrigation
Subsurface irrigation

Question: Which of the following enzymes is NOT present in lysosomes?

Phosphatase
Polymerase
Lipase
Protease

Question: The term oligotrophic in lake ecosystem refers to

Higher nutrients in water
High aquatic productivity
Algal blooms
Low nutrients and low productivity

Question: Which soil order stands for recent alluvial soil?

Alfisol
Entisol
Inceptisol
Mollisol

Question: Which of the following genera of bacteria are most abundant in soil?

Bacillus
Pseudomonas
Arthrobacter
Azotobacter

Question: Carbohydrates present on the plasma membrane

Has structural role
Forms channel
Acts as carrier
Helps in molecular recognition

Question: Critical limit approach was developed by ________

Waugh and Fitts
Cate and Nelson
Colwell
Truog

Question: Bordeaux mixture is

Organochlorine
Antibiotic
Organophosphate
Inorganic fungicide

Question: Which of the following is NOT a Polymer of Glucose?

Glycogen
Cellulose
Amylase
Insulin

📚 Related Quizzes & Practice Sets (सम्बन्धित प्रश्नोत्तरी)

📚 Related Exams & Practice Material (सम्बन्धित भर्ती परीक्षाएं)

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RPSC ARO & AARO Papers

Rajasthan Pre PG Agriculture

NTA CUET PG Agriculture

IBPS AFO Specialist Officer

Cotton Corporation of India (CCI)

ICAR JRF/SRF Exams

N.R. Sunda Book MCQs

Soil Science (2022) — Agri Master Mind