Soil Science MCQs

Option A: Top dressing

Option B: Broad casting

Option C: both A and B

Option D: Basal placement

Correct Answer: Basal placement ✔

Option A: Soil Productivity

Option B: Increased crop production

Option C: both a and B

Option D: None of these

Correct Answer: both a and B ✔

Option A: Mollisols

Option B: Histosols

Option C: Arable soils

Option D: Non-arable soils

Correct Answer: Arable soils ✔

Option A: Competetion

Option B: Ammensalism

Option C: Commensalism

Option D: This statement is wrong

Correct Answer: Commensalism ✔

Option A: Bacteria

Option B: Fungi

Option C: both A & B

Option D: None of the above

Correct Answer: Fungi ✔

Option A: Quartz

Option B: Plasma

Option C: Carbon

Option D: None of these

Correct Answer: Plasma ✔

Option A: N

Option B: Cu

Option C: Cl

Option D: P

Correct Answer: N ✔

Option A: Fern leaf

Option B: Mottle leaf

Option C: Little leaf

Option D: None of these

Correct Answer: Little leaf ✔

Option A: 20 mg of ca2+

Option B: 12 mg of Mg2+

Option C: 9 mg of Al3+

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Hiltner

Option B: Aristotle et al.

Option C: A.Q khan

Option D: Helium. S. Denial

Correct Answer: Hiltner ✔

Option A: C. Sprengel

Option B: Theodore Saussure

Option C: Dr. Muhammad Sharif et al.

Option D: Shafiq Khalil et al.

Correct Answer: A. C. Sprengel ✔

Option A: Infiltration

Option B: Percolation

Option C: Leaching

Option D: Seepage

Correct Answer: Infiltration ✔

Option A: Mature leaf

Option B: Lower leaf

Option C: Both A & B

Option D: None of these

Correct Answer: None of these ✔

Option A: Actinomycetes

Option B: Bacteria

Option C: Fungi

Option D: Both B & C

Correct Answer: Bacteria ✔

Option A: Pyrheliometer

Option B: Pyrgeometer

Option C: Quantom sensor

Option D: Both A & C

Correct Answer: Quantom sensor ✔

Option A: Dr.Muhammad Sharif

Option B: Theodore-saussure

Option C: Shafiq Baloch at.el

Option D: Sach and knoop

Correct Answer: Theodore-saussure ✔

Option A: Ammonical

Option B: Nitrate

Option C: Ammonical-nitrate

Option D: Both B & C

Correct Answer: Both B & C ✔

Option A: 1.4 mg of N

Option B: 14 mg of N

Option C: 0.14 mg of N

Option D: 140 mg of N

Correct Answer: 14 mg of N ✔

Option A: Chemoautotroph

Option B: Photoautotroph

Option C: Saprophyte

Option D: None of these

Correct Answer: Chemoautotroph ✔

Option A: Denitrification

Option B: Leaching

Option C: Volatilization

Option D: None of these

Correct Answer: Volatilization ✔

Option A: Bacterial & fungal disease

Option B: Physiological disease

Option C: Viral disease

Option D: The above statement is wrong

Correct Answer: Physiological disease ✔

Option A: Ca

Option B: Mg

Option C: S

Option D: N

Correct Answer: N ✔

Option A: 30-35 c, pH 5.5

Option B: >35 c, pH less than 5

Option C: 25-40 c, pH 8-8.5

Option D: All of thses

Correct Answer: 25-40 c, pH 8-8.5 ✔

Option A: Creep

Option B: Saltation

Option C: Siltation

Option D: None of these

Correct Answer: None of these ✔

Option A: Mixed indicator

Option B: Phenolpthalein

Option C: Diphenyle

Option D: Azomethine-H

Correct Answer: Azomethine-H ✔

Option A: Exposed crystal edges

Option B: Isomorphous substitution

Option C: Anion exchange

Option D: All of these

Correct Answer: All of these ✔

Option A: Alfisols

Option B: Mollisols

Option C: Entisols

Option D: Oxisols

Correct Answer: Oxisols ✔

Option A: 0.9869 atm

Option B: Wt. Of a 1020 cm water column

Option C: 75.01 cm high mercury column

Option D: All of these

Correct Answer: All of these ✔

Option A: DSP

Option B: TSP

Option C: SSP

Option D: All of these

Correct Answer: All of these ✔

Option A: USA

Option B: Japan

Option C: The Neterlands

Option D: Pakistan

Correct Answer: The Neterlands ✔

Option A: Sun hemp

Option B: Dhaincha

Option C: Both of the above

Option D: None of the above

Correct Answer: Dhaincha ✔

Option A: 44 ℅

Option B: 45 ℅

Option C: 33℅

Option D: None of the above

Correct Answer: None of the above ✔

Option A: 100 tonnes of water

Option B: 100000 litres of water

Option C: Both A & B

Option D: 10 tonnes of water

Correct Answer: Both A & B ✔

Option A: 40 mg of Ca

Option B: 46 mg of Na

Option C: 6 mg of Al

Option D: 12 mg of mg

Correct Answer: Shafiq Rehman ✔

Option A: Water potencial

Option B: Water use efficiency

Option C: Water harvesting

Option D: Water holding capacity

Correct Answer: Water holding capacity ✔

Option A: Marl, gypsum

Option B: Slate, Shist

Option C: Dolomite shale, gneiss

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Clastics

Option B: Non-clastics

Option C: both A & B

Option D: None of the above

Correct Answer: Clastics ✔

Option A: fine-grained

Option B: Dark coloured

Option C: both A & B

Option D: None of the above

Correct Answer: both A & B ✔

Option A: Eluvistal horizon

Option B: Illuviated horizon

Option C: Alluvial horizon

Option D: None of the above.

Correct Answer: None of the above. ✔

Option A: Disintegrate

Option B: Disentigrate

Option C: Decompose

Option D: Both a & c

Correct Answer: Both a & c ✔

Option A: Water

Option B: Wind

Option C: Glaciers

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Laboratory analysis assessing plant available nutrient status

Option B: Collection of plant leaves samples only

Option C: Salinity & elemental toxicity of a soil

Option D: Both A & C

Correct Answer: Both A & C ✔

Option A: Nutrient deficiency symptoms & field experimentation

Option B: Greenhouse pot experimentation & soil testing

Option C: Plant analysis

Option D: All of the above

Correct Answer: All of the above ✔

Option A: N, P, K

Option B: Ca, Mg, S

Option C: both A & B

Option D: The above statement is wrong

Correct Answer: both A & B ✔

Option A: Drought stress

Option B: Accelerated erosion & salinization

Option C: Depletion of soil fertility and SOM

Option D: All of the above

Correct Answer: All of the above ✔

Option A: 6

Option B: 7

Option C: 4

Option D: None of the above 

Correct Answer: None of the above  ✔

Option A: Additions, losses

Option B: Transfers and transformations

Option C: both A and B

Option D: None of the above

Correct Answer: both A and B ✔

Option A: Alkaline

Option B: Very much acidic

Option C: Calcareous

Option D: both A & C

Correct Answer: both A & C ✔

Option A: Regolith

Option B: Solum

Option C: Outer core

Option D: inner core

Correct Answer: Solum ✔

Option A: Master horizons

Option B: Transition horizons

Option C: Little horizons

Option D: All of the above

Correct Answer: Transition horizons ✔

Option A: Zone of eluviation

Option B: Zone of Illuviation

Option C: Zone of evaluation

Option D: None of the above

Correct Answer: Zone of Illuviation ✔

Option A: Cateena

Option B: Chronosequence

Option C: Catena

Option D: Biosequence

Correct Answer: Catena ✔

Option A: Cool climate

Option B: Acidic conditions

Option C: both A & B

Option D: None of the above

Correct Answer: C. both A & B ✔

Option A: Till

Option B: Moraine

Option C: Colluvial

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Alluvial

Option B: Colluvial

Option C: Eolian

Option D: Loess

Correct Answer: Loess ✔

Option A: Disintegration

Option B: Sedimentation

Option C: Decomposition

Option D: both A & C

Correct Answer: D. both A & C ✔

Option A: Edaphology

Option B: Pedology

Option C: Poly pedology

Option D: None of the above

Correct Answer: Pedology ✔

Option A: Organic soils

Option B: Peat soils

Option C: Muck soils

Option D: All of these

Correct Answer: All of these ✔

Option A: Water holding capacity

Option B: Cation exchange capacity

Option C: Aggregate stability

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Air

Option B: Water

Option C: both A and B

Option D: none of the above

Correct Answer: none of the above ✔

Option A: Regulates water supply & recycles waste materials

Option B: Medium for plant growth & Habitat for organisms

Option C: Engineering medium & modifies the atmosphere

Option D: Dirt which is threat to all living life & crop production 

Correct Answer: Dirt which is threat to all living life & crop production  ✔

Option A: Minerals And organic matter

Option B: Water

Option C: Air

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Homogenization

Option B: Pedoturbation

Option C: Lessivage

Option D: Melanization

Correct Answer: Homogenization ✔

Option A: Iluviation

Option B: Eluviation

Option C: Illuviation

Option D: Melanization

Correct Answer: Illuviation ✔

Option A: 54%

Option B: 90%

Option C: 68%

Option D: 32%

Correct Answer: Shafiq Rehman ✔

Option A: R, K and S

Option B: R and K

Option C: R, K, S and L

Option D: R, K, S, L, C and P

Correct Answer: R, K, S, L, C and P ✔

Option A: Lesser quantities

Option B: Greater quantities

Option C: Not required

Option D: The above statement is wrong

Correct Answer: Greater quantities ✔

Option A: Infiltration

Option B: Percolation

Option C: Leaching

Option D: hydraulic conductivity

Correct Answer: Percolation ✔

Option A: Mg

Option B: Ca

Option C: Mo

Option D: Cu

Correct Answer: Ca ✔

Option A: 46%

Option B: 36%

Option C: 76%

Option D: None of the above

Correct Answer: 76% ✔

Option A: Thal, Cholistan

Option B: Parts of Mianwali and D.G

Option C: Tharparkar & vast areas of Balochistan

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Peshawar series

Option B: Gujranwala series

Option C: wazirabad & pindorian series

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Massive

Option B: Single-grained

Option C: Aggregated

Option D: All of the above

Correct Answer: Single-grained ✔

Option A: Atomic absorption spectrophotometer

Option B: Atom analyser solution

Option C: Asia agriculture society

Option D: None of these

Correct Answer: Atomic absorption spectrophotometer ✔

Option A: metamorphic rocks

Option B: Sedimentary rocks

Option C: Igneous rocks

Option D: Shales

Correct Answer: Sedimentary rocks ✔

Option A: Sedimentary Rocks

Option B: Stratified rocks

Option C: Aqueous rocks

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Geo chemical weathering

Option B: Judo weathering

Option C: Pedo chemical weathering

Option D: both a and c

Correct Answer: both a and c ✔

Option A: Peat soil

Option B: solonchalk soil

Option C: Muck soil

Option D: Both a and c

Correct Answer: Both a and c ✔

Option A: less than 1 %

Option B: less than 10 %

Option C: 3 %

Option D: 5%

Correct Answer: less than 1 % ✔

Option A: CO (NH2)2

Option B: NH2-CO-NH-CO-NH2

Option C: (NH4)2CO3

Option D: None of these

Correct Answer: A. CO (NH₂)₂ ✔

Option A: Vermiculite

Option B: Illite

Option C: Montmorillonitic

Option D: Amorphous clay

Correct Answer: Vermiculite ✔

Option A: 8.0-8.5

Option B: 7.0-7.5

Option C: 8.5-9.0

Option D: 6.5-7.5

Correct Answer: 8.0-8.5 ✔

A. NaHCO₃
B. Na₂CO₃
C. MgSO₄
Both a & b

Correct Answer: Both a & b ✔

Option A: Soil Fungi

Option B: Soil Algae

Option C: Soil Bacteria

Option D: None of these

Correct Answer: Soil Algae ✔

Option A: Wheat

Option B: Cotton

Option C: Rice

Option D: Mustard

Correct Answer: Rice ✔

Option A: Bacteroid

Option B: Bacteriophage

Option C: Bacterin

Option D: All of these

Correct Answer: Bacteriophage ✔

Option A: Fe (NO3)3

Option B: Fe2 (NO3)3

Option C: Fe3 (NO2)

Option D: None of these

Correct Answer: A. Fe (NO₃)₃ ✔

Option A: Increases

Option B: Decreases

Option C: Constant

Option D: None of these

Correct Answer: Decreases ✔

Option A: Capillary water

Option B: Hygroscopic water

Option C: Gravitational water

Option D: None of the above

Correct Answer: Gravitational water ✔

Option A: Soil crusting

Option B: Soil consistence

Option C: Bulk Density

Option D: Both a & c

Correct Answer: Soil consistence ✔

Option A: Illuviation

Option B: Eluviation

Option C: Podzolization

Option D: Laterization

Correct Answer: Illuviation ✔

Option A: Calcification

Option B: Horizonation

Option C: Illuviation

Option D: Humification

Correct Answer: Humification ✔

Option A: Man and Animals

Option B: Higher Plants and Roots

Option C: Micro- organisms

Option D: All of these

Correct Answer: All of these ✔

Option A: 55.5 mol/L

Option B: 45.5 mol/L

Option C: Both a and b

Option D: none of these

Correct Answer: 55.5 mol/L ✔

Option A: 1% or less of soil volume

Option B: 10% or less of soil volume

Option C: 20% or less of soil volume

Option D: 30% or less of soil volume

Correct Answer: 1% or less of soil volume ✔

Option A: Urea

Option B: Ammonium nitrate

Option C: Ammonium sulphate

Option D: Calcium ammonium nitrate

Correct Answer: Ammonium sulphate ✔

Option A: Acid soils 

Option B: Sodic soils

Option C: Saline-sodic soils

Option D: Saline soils

Correct Answer: Acid soils  ✔

Option A: Beneficial

Option B: Harmful

Option C: Both a and b

Option D: None of the above

Correct Answer: Beneficial ✔

Option A: Liebig

Option B: Baussingault

Option C: Hiltner

Option D: Winogrdsky

Correct Answer: Hiltner ✔

Option A: Cellulose

Option B: Hemicellulose

Option C: Lignin

Option D: All of these

Correct Answer: Cellulose ✔