Soil Science (2023)-Shift-II | Agri Master Mind

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Carbon mineralization is tightly coupled to the release of minerals N, P, and S.Reason (R): It is driven by microbial requirements for C and nutrients for their maintenance, growth, and the production of extracellular metabolites including enzymes.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: Example of a secondary pollutant is:

CFCS’s
CH₄
PAN
CO

Question: Chilling resistant plants have more percentage of:

Saturated fatty acids
Unsaturated fatty acids
Palmitic acid
Stearic acid

Question: In International Union of Soil Science classification system, fine sand has a size range of:

0.2-2.0 mm
0.02-0.2 mm
0.002-0.02 mm
<0.002 mm

Question: The Environment Protection Act was enacted in the year:

1988
1981
1986
1987

Question: The DAPOG method of raising rice nurseries was introduced in India from:

Philippians
Taiwan
Japan
China

Question: Endosulphan belongs to group:

Organochlorine
Organophosphorus
Carbamate
Cyclodiene

Question: (A). Enzymes enhance reaction rate by a factor of 2 to 10.(B). Activation energy of a reaction is lowered by enzymes.(C). Interactions between enzymes and substrates are hydrogen, ionic and hydrophobic bonds.(D). Substrate concentration does not affect the rate of enzyme-catalyzed reactions.Choose the correct answer from the options given below:

(A) and (B) only.
(B) and (C) only.
(A) and (C) only.
(A) and (D) only.

Question: Match List-I with List-IIList-I (Name of Founder)List-II (Related Subject)(A). D. N. Walla (I). Nanotechnology(B). Richard Feynman (II). Soil Biology(C). Mason Vaugh (III). Agricultural Engineering(D). J. B. Boussingault (IV). AgrometeorologyChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: A water column of 10 m in height represents the atmospheric pressure of:(A). 100 kPa(B). 100 dyne/cm²(C). 1 bar(D). 0.9 atmChoose the correct answer from the options given below:

(A), (B), and (C) only.
(B), (C), and (D) only.
(A), (C), and (D) only.
(A), (B), and (D) only.

Question: Match List-I with List-IIList-I List-IILand Capability Classes Colors(A). Class IV (I). Green(B). Class I (II). Yellow(C). Class III (III). Brown(D). Class II (IV). PinkChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: When the original value of N in urea is 46%, the estimated value is 45.5%, then the absolute error is:

0.5
1.06
0.05
0.106

Question: Find out the correct match (s) (A). Dichlorovos – Weedicide(B). Acephate – Systemic Insecticide(C). Benzyl benzoate - Repellent(D). 2,4-D – WeedicideChoose the correct answer from the options given below:

A is correctly matched; B, C, and D are not.
A is incorrectly matched; B, C, and D are correctly matched.
A, B, C, and D are correctly matched.
A, B, C, and D are incorrectly matched.

Question: Which of the following programme was introduced to bridge the gap between Research System and the Extension System Programme:

Rastryya Krishi Vikas Yajana (RKVY).
National Agricultural Extension Project (NAEP).
Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA).
Institutional Village Linkage Programme (IVLP).

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Salt-affected soils in India are a threat to national food security and economic development.Reason (R): Arid and semi-arid regions with high evaporation rates and limited freshwater availability favor saline soil formation.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: All of the following are storage carbohydrates except:

Starch
Glycogen
Cellulose
Amylase

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Kaolinite is the most preferred clay for the ceramic industry.Reason (R): Kaolinite does not absorb water and expand.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: Arrange the liming materials based on decreasing neutralizing value CCE (%):(A). Dolomite(B). Basic slag(C). Calcite(D). Calcium oxideChoose the correct answer from the options given below:

(D), (A), (C), (B).
(A), (B), (C), (D).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Trees and shrubs planted in rows at right angles to prevailing winds are called:

Shelterbelts
Terrace cultivation
Strip cropping.
Mulching

Question: Which one of the following is a nucleoside?

Purine + Pyrimidine
Pyrimidine + Phosphate group
Purine + Phosphate group
Pyrimidine + Pentose sugar

Question: Given below are two statements:Statement (i): The occurrence of two or more patches of colors in soil is called ‘mottling’.Statement (ii): The mottled color is due to residual products of reduction & oxidation of Fe and Mn compounds.Choose the correct answer from the options given below:

Both Statement (I) and Statement (Il) are true.
Both Statement (I) and Statement (Il) are false.
Statement (i) is true, but (ii) is false.
Statement (i) is false, but (ii) is true.

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): The notation of Munsell Colour Chart is 2.5YRS/6.Reason (R): Hue is 2.5 YR, value is 5, and chroma is 6.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: Compounds having common ion but different solubility constants can be separated by:

Post precipitation
Surface attraction
Fractional precipitation
Inclusion

Question: Soil water matric potential for a wide range of soil wetness can be measured by:

Resistance blocks
Tensiometer
Time domain reflectometer
Pressure plate/membrane apparatus

Question: Identify the Manganese containing minerals:(A). Pyrolusite(B). Malachite(C). Manganite(D). GoethiteChoose the correct answer from the options given below:

Only A & B
Only B & C
Only A & C
Only B & D

Question: Non-ferromanesian group of minerals are:

Inosilicates
Phyllosilicates
Tectosilicates
Cyclosilicates

Question: Which of the following is correctly matched component with its function?(A). Bulk density - Stickiness and Plasticity(B). Cohesion -- Attraction of water molecules for each other(C). Water – Photosynthesis(D). Consistency – Stickiness and PlasticityChoose the correct answer from the options given below:

(A), (B), and (D) only.
(A), (B), and (C) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: Boron regulates:(A). Ribosomal fraction(B). Translocation of sugars(C). Carbohydrate metabolism(D). Calcium metabolismChoose the correct answer from the options given below:

(A), (B), and (C) only.
(A), (B), and (D) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Proline is an aromatic amino acid as it has a ring structure.Reason (R): Aromatic amino acids have a benzene ring or its derivative side chain structures.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): The molality of a solution in a liquid state changes with temperature.Reason (R): The volume of a solution changes with a change in temperature.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: Match List-I with List-IIList-I (Essentiality of Nutrients) List-II (Authors)(A). Molybdenum (I). Sachs & Knop(B). Zinc (II). Priestley(C). Sulphur (III). Arnon & Stout(D). Carbon (IV). Sommer & LipmanChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Contaf is a trade name of:

Hexaconazole
Propiconazole
Imidacloprid
Cyhalothrin

Question: Which method is used where water supply is limited and the market value of the crop is high?

Surface irrigation
Sprinkler irrigation
Drip irrigation
Pitcher irrigation

Question: All the following molecules contain more than one ring except:

Cholesterol
Sucrose
Glucose
Progesterone

Question: Match List-1 with List-IIList-I (Soil structure) List-II (Ratings)(A). Structures (I). 2(B). Moderate (II). 3(C). Weak (III). 0(D). Strong (IV). 1Choose the correct answer from the options given below:

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Question: N-serve is used for:

Phosphate solubility
Nitrification inhibitor
Chelating agent
Urease inhibitor

Question: The following are statements on fertilizer N use efficiency of crops. Which statement or the combinations are true?(A). Partial factor productivity does not account for soil N-supply.(B). Agronomic efficiency requires data on soil N supply.(C). For soil N supply, the N-balance index is useful.(D). Soil N supply does not vary across soil types.Choose the correct answer from the options given below:

(A), (B), and (D) only.
(A), (B), and (C) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: The horizons of the soil profile are given below, Arrange the stages in chronological order.(A). A1-A2-Bt-C-Bt-C(B). A1-A2-Bhir-Bir-C(C). A-B-C(D). Ap-Bhir-Bir-CChoose the correct answer from the options given below:

(A), (B), (C), (D).
(C), (A), (B), (D).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Which nutrient element is luxury consumption?

Nitrogen
Potassium
Calcium
Sulphur

Question: Which statement is correct for the following structures 1 and 2?Statement (I). Black gram as a cover crop to reduce surface runoff and soil loss during rainy seasons.Statement (II). Black gram as a live mulch crop to reduce surface runoff and soil loss during rainy seasons.In light of the above statements, choose the most appropriate answer from the options given below. In light of the above statements, choose the most appropriate answer from the options given below:

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

Question: Match List-I with List-IIList-I (Element) List-II (Electronic configuration)(A). Mg (I). 2,1(B). Na (II). 2,8,7(C). Li (III). 2,8,1(D). Cl (IV). 2,8,2Choose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(III), (C)-(IV), (D)-(II)
(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): The water requirement of Rice varies from 100 to 200 cm.Reason (R): Water requirement varies due to soil type, rainfall, and variety.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: Which statement about M-phase cyclin is correct?

Cyclin synthesis and destruction is essential for cell cycle progression.
Cyclin synthesis and no destruction is essential for cell cycle progression.
Cyclins play no role in cell cycle progression.
No Cyclin synthesis and no destruction is essential for cell cycle progression.

Question: The pH of acid sulfate soils is:

Less than 5.0
5.0 - 6.0
6.0 - 7.0
Greater than 7.0

Question: Given below are two statements:Statement (I). Translocation of sugars is increased in K deficient plants.Statement (II). Potassium is taken by crops as chelates from the soil solution.In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (Il) are true.
Both Statement (I) and Statement (Il) are false.
Statement (I) is true but Statement (II) is false.
Statement (I) is false but Statement (II) is true.

Question: Arrange the following clay minerals in terms of their increasing activity (measured through cation exchange capacity).(A). Kaolinite(B). Vermiculite(C). Gibbsite(D). IlliteChoose the correct answer from the options given below:

(A), (C), (B), (D).
(A), (B), (D), (C).
(B), (A), (D), (C).
(C), (A), (D), (B).

Question: The pF curve is same as:

Moisture-density relation
Soil temperature-water content relation
Soil pH-base saturation relation
Soil water content-matric potential relation

Question: Which of the following Scientist are associated with the development of humus?(A). Kononova(B). Waksman(C). Stevenson(D). BeijerinckChoose the correct answer from the options given below:

(A), (B), and (C) only.
(A), (B), and (D) only.
(A), (C), and (D) only.
(B), (C), and (D) only.

Question: Match List-I with List-IlList-I (Method) List-II (Estimation/Determination)(A). Gravimetric method (I). Estimation of Nitrogen(B). Hydrometer method (II). Estimation of Organic Carbon(C). Walkley & Black method (III). Estimation of Soil Texture(D). Kjeldahl method (IV). Estimation of Soil moistureChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Find out the value of pF when there is a tension head of 100 cm of water:

10
0.01
2
1

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Within the same mineralogical composition, soils containing higher humus showed higher CEC.Reason (R): Humic substances have different types of negatively charged functional groups with huge numbers.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: Indicate which pair of sugars consist of epimers:(A). D-glucose and D-mannose(B). D-Ribose and D-ribulose(C). D-galactose and D-glucose(D). D-glyceraldehyde and DihydroxyacetoneChoose the correct answer from the options given below:

(B) and (D)
(A) and (C)
(A) and (D)
(C) and (D)

Question: Which of the following is an example of an edible oil cake for feeding cattle?

Castor
Mahua
Neem
Mustard

Question: Match List-I with List-IIList-I (Soil characteristics) List-II (Methods of estimation)(A). Gypsum requirement (I). Bouyoucos(B). Soil crust strength (II). Core sampler(C). Bulk density (III). Penetrometer(D). Density of suspension (IV). SchoonoverChoose the correct answer from the options given below:

(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Gully erosion occurs when water is channeled across unprotected land and washes away the soil along drainage lines.Reason (R): Devoid of vegetation, inappropriate land use, and compaction of the soil caused by grazing cause gully erosion.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: World Soil Day is celebrated every year on:

5th October
5th November
5th December
5th January

Question: Options 1-4 are the different combinations of botanical pesticides. Which combination is a correct representation of the botanical pesticide Cinerin-II?1. Chrysanthemic acid + cinerolone2. Pyrethric acid + cinirolone3. Chrysanthemic acid + Pyrathrolone4. Pyrethroic acid + Pyrethrolone

Option 1 is a correct representation of the botanical pesticide Cinerin-II
Option 2 is a correct representation of the botanical pesticide Cinerin-II
Option 3 is a correct representation of the botanical pesticide Cinerin-II
Option 4 is a correct representation of the botanical pesticide Cinerin-II

Question: Which statements about allosteric enzymes are correct?(A). Allosteric enzymes don’t obey Michaelis-Menten kinetics.(B). Some regulatory enzymes are modulated by reversible covalent modification.(C). Allosteric enzymes undergo reversible covalent modification.(D). Reversible covalent modification caused by phosphorylation.Choose the correct answer from the options given below:

(A) and (B) only.
(A), (B), and (C) only.
(A), (B), and (D).
(A), (B), (C), and (D).

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Tillage causes sub-surface soil compaction.Reason (R): Splashed soil particles clog soil pores.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

Question: The following statements relate to Kaolinite clay: (A). Kaolinite is formed by the decomposition of orthoclase feldspar.(B). It does not expand when it comes in contact with water.(C). The kaolinite clays are 2:1 phyllosilicates.(D). Kaolinite clays have a fine texture.Choose the correct answer from the options given below:

(A), (B), and (D) only.
(A), (B), and (C) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: Relationship between plant growth response and addition of growth factor was given by:

Baule
Mitscherlich
Bray
Liebig

Question: Following are some famous space missions. Arrange them in chronology(A). International Space Station, NASA(B). NASA-ISRO Synthetic Aperture Radar (NISAR)(C). Sentinel, ESA(D). Robotic spacecraft Hayabusa, JAXAChoose the correct answer from the options given below:

(A), (B), (C), (D).
(A), (D), (C), (B).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Lecithin is the common name of:

Phosphatidyle ethanolamine
Phosphatidyle choline
Phosphatidyl Serine
Phosphatidyl Inositol

Question: Atomic spectrum is an example of:

Line spectra
Continuous spectra
Line and continuous spectra-both
Band spectra

Question: Match List-I with List-IlList-I (Agricultural input/commodity) List-II (Largest producing country)(A). Corn (I). China(B). Nitrogen fertilizers (II). Canada(C). Milk (III). USA(D). Potash fertilizers (IV). IndiaChoose the correct answer from the options given below:

(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Which of the following can have a quaternary structure?

Fatty acid
Protein
Polysaccharide
RNA

Question: Match List-I with List-IIList-I (Coenzyme) List-II (Chemical group transfers)(A). Coenzyme A (I). Aldehyde group(B). Flavin adenine dinucleotide (II). Amino group(C). Pyridoxalphosphate (III). Hydrogen atoms(D). Thymine pyrophosphate (IV). Acyl groupsChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(II), (B)-(I), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Question: (i). Formed by the lateralization process. (ii). Acidic (<6.0), with low CEC. (iii). Deficient in almost all nutrients but can be managed well. (iv). Occur in about 18 million ha in the southern states, Western Ghats of Maharashtra, Orissa, some part of West Bengal and north-east regions......... is called(A). Alluvial Soils (B). Black Soils (C). Desert Soils (D). Laterite and Lateritic SoilsChoose the correct answer from the options given below:

(D) only.
(A) and (B) only.
(B) and (C) only.
(B) only.

Question: Soil moisture content decreases in the order:(A). Permanent wilting(B). Hygroscopic(C). Field Capacity(D). Oven dryChoose the correct answer from the options given below:

(A), (B), (C), (D).
(C), (A), (B), (D).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Growth factor necessary to produce yield that is 50% of the difference between maximum possible yield and yield before that unit was applied was given by:(A). Mitscherlich & Bray(B). Mitscherlich & Baule(C). Baule only(D). Baule, Arnon & BrayChoose the correct answer from the options given below:

(A), (B), (C), (D).
(C) only.
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Wind Erosion Equation E=f(ICKLV).Reason (R): Wind erosion equation determination for the reduction of soil erosion to tolerable limits necessitates the adoption of properly planned cropping practices and soil conservation measures.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: Applications of Geoinformation in Soil Resource Studies:(A). Soil Survey.(B). Development of Land Evaluation Methods.(C). Spectra Reflectance Studies.(D). Soil Resource Mapping and Precision Farming.Choose the correct answer from the options given below:

(A), (B), and (D) only.
(A), (B), and (C) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: According to Mohr and van Baren, arrange the following five stages of soil development:(A). Juvenile Stage(B). Senile(C). Un-weathered parent material stage(D). VirileChoose the correct answer from the options given below:

(A), (B), (C), (D).
(C), (A), (D), (B).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: The moisture content at which soil ceases to be plastic, becomes semi-fluid and tends to flow like a liquid:(A). Plastic limit(B). Plasticity number(C). Liquid limit(D). Shrinkage limitChoose the correct answer from the options given below:

(A), (B), and (D) only.
(C) only.
(A), (B), (C), and (D).
(B), (C), and (D) only.

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Soil temperature oscillations over a year penetrate deeper in the soil than over a day.Reason (R): Damping depth is proportional to angular frequency or period of oscillations.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: In highly acidic pH, the following nutrients are available in toxic amounts in soil:(A). Fe(B). Mg(C). Mo(D). MnChoose the correct answer from the options given below:

(A) and (B) only.
(B) and (C) only.
(A) and (C) only.
(A) and (D) only.

Question: One liter of 1 M H2SO4 contains ---g of H2SO4:

98
9.8
49
4.9

Question: Match List-I with List-1IList-I (Field of application) List-II (Name of Theory/Law)(A). Astrophysics (I). Pascal's law(B). Quantum mechanics (II). Big bang theory(C). Optics (III). Beer-Lambert's law(D). Fluid statics (IV). Transformation theoryChoose the correct answer from the options given below:

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Saturated hydraulic conductivity in situ is measured by:

Guelph permeameter
Infiltrometer
Neutron probe
Piezometer

Question: Arrange with the increasing level of energy required for disruption of soil aggregates:(A). Ultrasonic dispersion(B). Gently shaking in water(C). Dry sieving(D). Oxidation of organic matterChoose the correct answer from the options given below:

(A), (B), (C), (D).
(D), (B), (A), (C).
(B), (A), (D), (C).
(C), (B), (A), (D).

Question: Prismatic soil structure is found in:(A). Subsurface of arid and semi-arid soils(B). Grassland Soil(C). Poorly drained soil(D). Soils with swelling clayChoose the correct answer from the options given below:

(A), (B), and (C) only.
(B), (C), and (D) only.
(A), (C), and (D).
(A), (B), and (D) only.

Question: What is the porosity of a soil which has a bulk density of 1.33 Mg m−3?

0.49 m3 m−3
0.53 m3 m−3
0.47 m3 m−3
0.55 m3 m−3

Question: Given below are two statements:Statement (I). Humus is the amorphous material derived from the decomposition of organic matter.Statement (II). Allophane is a crystallite mineral developed from volcanoes.In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (Il) are true.
Both Statement (I) and Statement (Il) 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 microflora is most abundant in soil?

Bacteria
Fungi
Viruses
Nematodes

Question: Characteristics of Palygorskite mineral:(A). They are found in Humid regions.(B). They have fibrous morphology.(C). They are Amphibole double silica chain.(D). They form double ribbed sheet with two rows of tetrahedral apexes.Choose the correct answer from the options given below:

(A), (B), and (C) only.
(B) & (D) only.
(A), (C), and (D). only.
(A), (B), and (D) only.

Question: Match List-I with List-IIList-I (Isotopes and Radiation) List-II (Use in Agriculture)(A). Phosphorus-32 (I). Mutation breeding(B). Cobalt-60 (II). Photosynthesis(C). Cesium-137 (III). Food preservation(D). Carbon-14 (IV). Plant's fertilizer uptakeChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(IV), (B)-(II), (C)-(I), (D)-(III)
(A)-(IV), (B)-(I), (C)-(III), (D)-(II)

Question: _________established the essentiality of Vanadium in microorganisms.

Broyer 1954
McCargue 1954
Nicholas 1961
Thomas & Way 1907

Question: Match List-I with List-II:List-I List-II(A). Principle of Pesticide Chemistry (I). Herbicide(B). Albendazol (II). Acaricide(C). trans-10-cis-12-hexadecadienol (III). Pheromone(D). 2,4-D (IV). S.K. HandaChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(II), (B)-(I), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Match List-I with List-IIList-I (Function) List-II (Nutrient elements)(A). Nitrogenase & nitrogen reductase enzymes (I). Phosphorus(B). Component of urease enzymes (II). Magnesium(C). Energy transfer (III). Molybdenum(D). Constituent of Chlorophyll (IV). NickelChoose the correct answer from the options given below:

(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: A useful measure of the photosynthetic efficiency of plants is:

Relative Growth Rate
Absolute Growth Rate
Cumulative growth Rate
Net Assimilation Rate

Question: The steady-state soil infiltration rate is:

Soil surface controlled
Water supply controlled
Soil Profile controlled
Groundwater controlled

Question: Match List-I with List-II:List-I List-II(A). Soil conservation (I). Soil capability classification(B). Landslides (II). Mineralization & immobilization(C). C: N ratio (III). Hilly areas(D). Land use (IV). Strip croppingChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Match List-I with List-IIMatch Soil Temperature Regime (List-I) Mean Annual Temperature (List-II)(A). MEGHATHERMIC (I). 8°C to <15°C(B). HYPERTHERMIC (II). 15°C to <22°C(C). THERMIC (III). 28°C or more(D). MESIC (IV). 22°C to <28°CChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Given below are two statements:Statement (I). High Cu in soil causes Fe chlorosis in citrus.Statement (II). Application of potassium increases Mn & Fe content in rice.Choose the correct answer from the options given below:

Both Statement (I) and Statement (Il) are true.
Both Statement (I) and Statement (Il) are false.
Statement (I) is true but Statement (II) is false.
Statement (I) is false but Statement (II) is true.

Question: During the mineralization of organic P compound, microorganisms cleave the compound by the production of enzymes:(A). ATP sulfurylase(B). Phosphatase(C). Phytase(D). NitrogenaseChoose the correct answer from the options given below:

(A) and (D) only.
(B) and (D) only.
(B) and (C) only.
(C) and (D) only.

Question: Die back of citrus is due to deficiency of:

Iron
Manganese
Copper
Boron

Question: Match List-I with List-IList-I (Name of Author) List-II (Name of Book)(A). M. Fukuoka (I). Clay Mineralogy(B). R. E. Grim (II). Soil Fertility and Fertilizer(C). Theophrastus (III). The One Straw Revolution(D). S. L. Tisdale (IV). Enquiry into plantsChoose the correct answer from the options given below:

(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Arrange the minerals in the order of increasing weathering index:(A). Quartz(B). Gypsum(C). Haematite(D). AllophaneChoose the correct answer from the options given below:

(A), (B), (C), (D).
(A), (C), (B), (D).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Number of replaceable hydroxyl groups in one molecule of a base is called:

Basicity
Acidity
Reduction
Oxidation

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Weathering produces minerals which is assigned with a weathering index.Reason (R): The sequence of weathering is largely controlled by intensity and capacity factor as a fraction of time.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true, and (R) explains (A).
Both (A) and (R) are true, but (R) does not explain (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.

Question: Elements which readily form metallic bonds are called:

Siderophile
Lithophile
Atmosphile
Biophile

Question: Which Atomic Absorption Spectrometer is used for determination of mercury?

Graphite furnace atomic absorption
Cold vapour atomic absorption
Hydride generation atomic absorption
Flame atomic absorption

Question: Match List-1 with List-IlList-I (Parameter) List-II (Unit)(A). Cloud Cover (I). %(B). Soil Temperature (II). Km/hr(C). Wind Speed (III). °C(D). Relative Humidity (IV). OktaChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: The process by which neutrons lose their kinetic energy through elastic collisions in the soil is known as:

Normalization
Cooling
Radiation
Thermalization

Question: Gypsum, carbonates, micas, and feldspars are primarily located in:(A). Arid and Temperate regions(B). Temperate and Humid regions(C). Arid and Semi-arid regions(D). Humid and Sub-humid regionsChoose the correct answer from the options given below:

(A), (B), and (D) only.
(A) and (C) only.
(D) only.
(C) only.

Question: Match List-I with List-IlList-I (Instrument) List-II (Used for Measurement of)(A). Lysimeter (I). Water holding capacity(B). Keen's Box (II). Relative humidity(C). Hygrometer (III). Direct solar radiation(D). Pyrheliometer (IV). Matric potentialChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

Question: The total N contents in livestock manures are given below, Arrange in decreasing order:(A). Dairy (solid)(B). Swine (liquid)(C). Poultry (solid)(D). Dairy (liquid)Choose the correct answer from the options given below:

(A), (B), (C), (D).
(D), (C), (B), (A).
(B), (C), (D), (A).
(C), (B), (D), (A).

Question: Match List-1 with List-IIList-I (Database model) List-II (Component)(A). Relational (I). One-to-Many relationship(B). Object Oriented (II). Child and parent tables(C). Network (III). Foreign key(D). Hierarchical (IV). Attribute and ClassChoose the correct answer from the options given below:

(A)-(II), (B)-(I), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(III), (C)-(II), (D)-(II)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: The stability sequence of divalent cations in the formation of chelates is:(A). Cu2+(B). Ni2+(C). Co2+(D). Zn2+Choose the correct answer from the options given below:

(A), (B), (C), (D).
(A), (C), (D), (B).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: Given below are two statements:Statement (I). Nitrogen is lost from waterlogged soils only by leaching.Statement (II). Waterlogged soils may develop iron toxicity to plants.In light of the above statements, choose the most appropriate answer from the options given below.

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

Question: Match List-I with List-1lList-I (Theory proposed) List-II (Author)(A). Stokes law (I). Schofield and Taylor(B). Baule unit (II). Puri(C). Lime potential (III). Stokes(D). Salt index (IV). BauleChoose the correct answer from the options given below:

(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Water use efficiency in decreasing order:(A). Pitcher Irrigation(B). Drip Irrigation(C). Sprinkler Irrigation(D). Surface IrrigationChoose the correct answer from the options given below:

(A), (B), (C), (D).
(D), (C), (A), (B).
(B), (A), (D), (C).
(C), (B), (D), (A).

Question: The CO₂ around plant roots in the soil is exchanged with the atmosphere through the process known as:

Diffusion
Mass flow
Respiration
Oxidation

Question: The most abundant soil microorganism is:

Bacteria
Nematodes
Fungi
Earthworm

Question: Original design of tensiometer was first proposed by:

Willard Gardner
L. A. Richards
B. E. Livingston
Henry Darcy

Question: Match List-I with List-IIList-I (Growth Parameter) List-II (Unit)(A). Leaf Area Duration (LAD) (I). cm2day−1(B). Crop Growth Rate (CGR) (II). g m2day−1(C). Leaf Area Ratio (LAR) (III). m2g−1(D). Net Assimilation Rate (NAR) (IV). g m2day−1Choose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Match List-I with List-IlList-I (Institutes) List-II (Headquarter)(A). IISS (I). Hyderabad(B). IIHR (II). Bangalore(C). CRIDA (III). Jodhpur(D). CAZRI (IV). BhopalChoose the correct answer from the options given below:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(A)-(IV), (B)-(II), (C)-(I), (D)-(III)
(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Question: Difference between true value and observed value is called:

Accuracy
Precision
Error
Endpoint

Question: Given below are two statements:Statement (I). Measurement is based on Fick’s law.Statement (II). The diffusion coefficient of O2 is higher than CO2.In light of the above statements, choose the most appropriate answer from the options given below.

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

Question: Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).Assertion (A): Alcohols are weaker acids than water.Reason (R): Water is a better proton donor than alcohol.In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are correct and (R) is the correct explanation of (A).
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A).
(A) is correct but (R) is not correct.
(A) is not correct but (R) is correct.

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Soil Science (2023)-Shift-II — Agri Master Mind