JNKVV and RVSKVV PhD Soil Science & Agricultural Chemistry Entrance Question Paper 2020

5/5 - (2 votes)

JNKVV and RVSKVV PhD Soil Science & Agricultural Chemistry Entrance Question Paper 2020

JNKVV and RVSKVV

JNKVV and RVSKVV PhD Soil Science & Agricultural Chemistry Entrance Question Paper 2020

Note:- If You Have More Question Paper of Agriculture Universities Entrance Exam Then Share With Us For Helping Many Agri Students (WhatsApp No 7067289494 & Email [email protected])

Q.1  Stratification is the most common feature of?

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks
  4. Plutonic rocks

Sedimentary rocks

Q.2 Of the following, which is an example of basic igneous rock?

  1. Basalt
  2. Granite
  3. Gabbro
  4. Syenite

Basalt

Q.3 In which stage of weathering decomposition of easily weathered minerals occur?

  1. Initial
  2. Juvenile
  3. Virile
  4. Senile

Virile

Q.4 If the soil material is transported by water it is?

  1. Aeolian
  2. Colluvium
  3. Alluvium
  4. Loess

Alluvium

Q.5 The relative percentage of different soil separates i.e. sand, silt and clay is called?

  1. Particle density
  2. CEC of soil
  3. Soil structure
  4. Soil texture

Soil texture

Q.6 Best suitable soil structure for cultivation is?

  1. Elliptical
  2. Spheroidal
  3. Crumb
  4. Round

Crumb

Q.7 The soil samples are dried at ________ for gravimetric soil moisture analysis?

  1. 105°C
  2. 99°C
  3. 97°C
  4. 120°C

105°C

Q.8 The mass per unit volume of soil consisting of solid and gaseous phase is called as?

  1. Bulk density
  2. Particle density
  3. Porosity
  4. Consistency

Bulk density

Q.9 The maximum amount of water which a soil can hold after free drainage has ceased is called as?

  1. Water harvesting
  2. Water use efficiency
  3. Water potential
  4. Water holding capacity

Water holding capacity

Q.10 The process which involves the accumulation of CaCO3 in the soil is known as?

  1. Solonization
  2. Podzolization
  3. Calcification
  4. Salinization

Calcification

Q.11 The soil having an oxic horizon within 2 m and no argillic horizon is called?

  1. Spodosols
  2. Oxisols
  3. Alfisols
  4. Aridisols

Oxisols

Q.12 Soils formed on volcanic ash belongs to which of the following order?

  1. Andisol
  2. Gelisol
  3. Alfisols
  4. Inceptisol

Andisol

Q.13 Which of the following is 1:1 clay mineral that has zero electrical charge?

  1. Kaolinite
  2. Halloysite
  3. Chrysolite
  4. Serpentine

Serpentine

Q.14 Number of diagnostic epipedons included in soil taxonomy are?

  1. 6
  2. 9
  3. 12
  4. 15

9

Q.15 Which soil has highest area in India?

  1. Black soil
  2. Laterite soil
  3. Alluvial soil
  4. Acid sulphate soil

Alluvial soil

Q.16 Base map for detailed survey is prepared using?

  1. Toposheet
  2. Map
  3. Photograph
  4. Cadastral map

Cadastral map

Q.17 Slickensides and gilgai micro relief are characteristic features of?

  1. Vertisols
  2. Oxisols
  3. Histosols
  4. Spodosols

Vertisols

Q.18 The Mg(OH)2  sheet in 2:1:1 chlorite mineral is called as ________ layer?

  1. Goethite
  2. Brucite
  3. Gibbsite
  4. Lepidochrosite

Brucite

Q.19 Red colour of soil is due to _____?

  1. Maghemite
  2. Geothite
  3. Hematite
  4. Glauconite

Hematite

Q.20 What type of clay will have high buffering capacity?

  1. 1:1 clay minerals
  2. 2:1 clay minerals
  3. 2:1:1 clay minerals
  4. clay minerals

2:1 clay minerals

Q.21 Soil crust can be measured by using?

  1. Penetrometer
  2. Spectrophotometer
  3. Altimeter
  4. Thermometer

Penetrometer

Q.22 French Agricultural Chemist who first observed that legumes could utilise the N from atmosphere for their nutrition?

  1. M.W.Beijerinck
  2. Whitney
  3. Liebig
  4. J.B.Boussingault

J.B.Boussingault

Q.23 The enzyme which is involved in Biological Nitrogen Fixation is?

  1. Nitrogenase
  2. Amylase
  3. Cellulase
  4. Sulphatase

Nitrogenase

Q.24 Weathering stages of soil formation was proposed by?

  1. Jenny
  2. Mohr
  3. Miller
  4. Brady

Mohr

Q.25 Nitrification bacteria is?

  1. Obligate heterotroph
  2. Obligate autotroph
  3. Facaltate heterotroph
  4. Facaltate autotroph

Obligate autotroph

Q.26 The soil particles should be large enough not to undergo Brownian movement is a pre requisite for the use of?

  1. Darcy’s law
  2. Fick’s law
  3. Stokes’ law
  4. Brownian law

Stokes’ law

Q.27 The equation S=f(cl, b, r, p, t….) was formulated by?

  1. Dokuchaev
  2. Jenny
  3. Hillgard
  4. Whitney

Jenny

Q.28 Which one is not a potash bearing mineral ?

  1. Feldspar
  2. Biotite mica
  3. Muscovite mica
  4. Olivine

Olivine

Q.29 Who is known as the father of soil science?

  1. V.V. Dokuchaev
  2. Jenny
  3. Dr. Rajendra Prasad
  4. Charls Darwin

V.V. Dokuchaev

Q.30 Sand appears in FCC as?

  1. White
  2. Red
  3. Blue
  4. Grey

White

Q.31 Upper plastic limit is called as?

  1. Plastic limit
  2. Liquid limit
  3. Plasticity index
  4. Plasticity number

Liquid limit

Q.32 Dominant moisture regime in India is?

  1. Udic
  2. Xeric
  3. Ustic
  4. Perudic

Ustic

Q.33 The path followed by a satellite is referred to as?

  1. Row
  2. Orbit
  3. Circuit
  4. Region

Orbit

Q.34 GIS makes maps?

  1. Static
  2. Dynamic
  3. Versatile
  4. Dull

Dynamic

Q.35 Genetic system of soil classification was given by?

  1. Dokuchaev
  2. Joffe
  3. Marbut
  4. Milne

Dokuchaev

Q.36 The thickness of core is?

  1. 2000km
  2. 2500km
  3. 3000km
  4. 3500km

3500km

Q.37 Natural aggregates are called as?

  1. Clods
  2. Peds
  3. Fragments
  4. Congregations

Peds

Q.38 LISS is a?

  1. Software
  2. Sensor
  3. Satellite
  4. Server

Sensor

Q.39 The smallest picture element on the map is?

  1. Restoration
  2. Resolution
  3. Pixel
  4. Signature

Pixel

Q.40 Moisture content at which soil no longer sticks to foreign objects is called as?

  1. Plasticity
  2. Consistency
  3. Tortuosity
  4. Scouring point

Scouring point

Q.41 Cation exchange capacity on volume basis is highest for?

  1. Kaolinite
  2. Montmorillonite
  3. Vermiculite
  4. Illite

Vermiculite

Q.42 Non expanding 2:1 type of mineral is?

  1. Kaolinite
  2. Montmorillonite
  3. Vermiculite
  4. Illite

Illite

Q.43 Stratification is the most common feature of?

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks
  4. Plutonic rocks

Sedimentary rocks

Q.44 Approximate weight of surface 15 cm soil of one-hectare field is?

  1. 2.42 x 106kg
  2. 1.50x 106 kg
  3. 2 x 106 kg
  4. 2.24 x 106 kg

2.24 x 106 kg

Q.45 The method of survey adopted for intensive cultivation is?

  1. Reconnaissance
  2. Detailed
  3. Semi detailed
  4. Exploratory

Detailed

Q.46 Which of the following will have high buffering capacity?

  1. Sand
  2. Clay
  3. Humus
  4. Saw dust

Humus

Q.47 An element, which is necessary for the bio–synthesis and maintenance of chlorophyll in plants is?

  1. Potassium
  2. Calcium
  3. Boron
  4. Iron

Iron

Q.48 Die back of citrus is because of deficiency of?

  1. Fe
  2. Zn
  3. B
  4. Cu

Cu

Q.49 Micronutrient fertilizer borax contains Boron of?

  1. 9.50 percent
  2. 10.50 percent
  3. 11.50 percent
  4. 21.50 percent

10.50 percent

Q.50 Essential element for synthesis of Auxin is?

  1. S
  2. Mn
  3. Zn
  4. Fe

Zn

Q.51 The element which is essential for N-fixation is?

  1. Si
  2. Mn
  3. Zn
  4. Fe

Fe

Q.52 A crop requires more of a given nutrient element without exhibiting deficiency symptoms on plants is called as?

  1. Acute deficiency
  2. Hidden hunger
  3. Luxury consumption
  4. Dormancy

Hidden hunger

Q.53 K Solubilizing bactria is?

  1. Rhizobium
  2. Thiobcacillus
  3. Pscudomonas
  4. Frateuria

Frateuria

Q.54 Potassium is taken up by plant as?

  1. K+
  2. K2O
  3. KOH
  4. K2SO4

K+

Q.55 Browning of Rice is because of Toxicity of?

  1. Iron
  2. Manganese
  3. Copper
  4. Zinc

Iron

Q.56 Cavity spot in carrot is because of increased accumulation of K leading to decreased?

  1. N
  2. P
  3. Ca
  4. Mg

Ca

Q.57 Purple colouring in older leaves is due to deficiency of?

  1. N
  2. P
  3. K
  4. S

P

Q.58 The second most deficient micronutrient in Indian soils after Zn is?

  1. B
  2. Fe
  3. Mo
  4. Mn

B

Q.59 Illite supplies high amount of?

  1. Ca
  2. Mg
  3. S
  4. K

K

Q.60 The commonly used soil to water ratio for soil pH determination?

  1. 1:1.0
  2. 1:1.5
  3. 1:2.0
  4. 1:2.5

1:2.5

Q.61 At low pH, phosphates are mainly fixed by?

  1. Iron and aluminum
  2. Soil clays
  3. Calcium and magnesium
  4. Sodium and Potassium

Iron and aluminum

Q.62 Number of equivalents of a substance dissolved in 1L of a solution is called as?

  1. Molarity
  2. Normality
  3. Molality
  4. Solubility

Normality

Q.63 Adsorption isotherm which explains multi-layer adsorption is____________equation?

  1. Freundlich
  2. Langmuir
  3. BET
  4. Kerr

BET

Q.64 The principal way in which P and K ions move from the soil solution to the roots of plants?

  1. Root interception
  2. Mass flow
  3. Diffusion
  4. Root contact

Diffusion

Q.65 Which form of ion uptake requires energy?

  1. Active transport
  2. Passive transport
  3. Root absorption
  4. Leaf absorption

Active transport

Q.66 Diffusion is related to?

  1. Darcy’s law
  2. Beer’s law
  3. Fick’s law
  4. Stoke’s law

Fick’s law

Q.67 The dominant group of organic P in soil is?

  1. phospholipids
  2. Inositol phosphorus
  3. Phytic acid
  4. Nucleic acid

Inositol phosphorus

Q.68 Most of the organic nitrogen is present in the form of?

  1. Amines
  2. Proteins
  3. Peptides
  4. Polypeptides

Proteins

Q.69 Q/I relationship of potassium depends on?

  1. Stok’s law
  2. Dorcy’s law
  3. Fick’s law
  4. Schofield’s ratio law

Schofield’s ratio law

Q.70 The phenomenon by which replacement or release of an adsorbed ion is called?

  1. Adsorption
  2. Absorption
  3. Desorption
  4. Cohesion

Desorption

Q.71 Gapan’s equation is widely used to describe?

  1. CEC of soils
  2. C:N ratio
  3. Nutrient uptake
  4. Water flow

CEC of soils

Q.72 The presence of solutes in the soil gives?

  1. Gravitational potential
  2. Matric potential
  3. Osmotic potential
  4. Pressure potential

Osmotic potential

Q.73 For conversion from P2 O5 to P, multiply P2 O5 with?

  1. 0.43
  2. 2.29
  3. 1.20
  4. 0.13

0.43

Q.74 Soil formed from which of the following rocks are more fertile?

  1. Acid rocks
  2. Basic rocks
  3. Neutral rocks
  4. Acid and basic rocks

Basic rocks

Q.75 The potential difference between the fixed part and freely mobile portion of diffused double layer is known as?

  1. Stream potential
  2. Diffuse potential
  3. Ionic potential
  4. Zeta potential

Zeta potential

Q.76 The permanent charge is more as compared to pH dependent charge in?

  1. Kaolinite
  2. Illite
  3. Chlorite
  4. Montmorillonite

Montmorillonite

Q.77 The value of redox potential in waterlogged soils is?

  1. Positive
  2. Negative
  3. Neutral
  4. Zero

Negative

Q.78 Spentwash is a waste generated from which agri based industry?

  1. Textile
  2. Paper
  3. Sugar
  4. Gum

Sugar

Q.79 Which of the following is a soft mineral?

  1. Talc
  2. Quartz
  3. Feldspar
  4. Diamond

Talc

Q.80 Devarda’s alloy contains?

  1. Cu, Mn, Zn
  2. Cu, Zn, Al
  3. Cu, Mn, Al
  4. Cu, Mg, Al

Cu, Zn, Al

Q.81 What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?

  1. Aggregation
  2. Degradation
  3. Eutrophication
  4. Petrification

Eutrophication

Q.82 Clay minaral structure resembles?

  1. Diagonal
  2. Triangular
  3. Hexagonal
  4. Pentagonal

Hexagonal

Q.83 The process of enzymatic oxidation of Ammonia to nitrate by microbial action is called as?

  1. Amminization
  2. Ammonification
  3. Nitrification
  4. Denitrification

Nitrification

Q.84 The concept of critical limit was proposed by?

  1. Arnon and Stout
  2. Subbiah and Asija
  3. Cate and Nelson
  4. Gomez and Gomez

Cate and Nelson

Q.85 Nitrogen use efficiency is?

  1. 1-20 percent
  2. 30-50 percent
  3. 50-75 percent
  4. >75 percent

30-50 percent

Q.86 Which one is not a green manure plant?

  1. Diancha
  2. Sunhemp
  3. Horse gram
  4. Maize

Maize

Q.87 One meq of HCL is equal to?

  1. 0.14 mg of N
  2. 1.4 mg of N
  3. 14 mg of N
  4. 140 mg of N

14 mg of N

Q.88 The percentage of KMnO4 used for estimation of available N is?

  1. 0.32 percent
  2. 0.48 percent
  3. 0.64 percent
  4. 1.60 percent

0.32 percent

Q.89 Which plant is used for indication of permanent wilting point?

  1. Safflower
  2. Sunflower
  3. Marigold
  4. Maize

Sunflower

Q.90 Which one is a phototraph microorganism?

  1. Rhizobium
  2. Rhodopseudomonas
  3. Azatobactor
  4. Azospirillum

Rhodopseudomonas

Q.91 A salt affected soil having pH<8.5, ESP<15 percent and EC>4 dS m-1 are called as?

  1. Normal soil
  2. Sodic or alkali soil
  3. Saline sodic soil
  4. Saline soil

Saline soil

Q.92 Shoemaker, McLean and Pratt (SMP) Buffer method is used for estimation of?

  1. Salinity
  2. Acidity
  3. Gypsum Requirement
  4. Lime Requirement

Lime Requirement

Q.93 Bangalore method of compositing was introduced by?

  1. S. Govindarajan
  2. Ramamurthy
  3. C.N.Acharya
  4. Rahul Saxena

C.N.Acharya

Q.94 Fertility gradient experiment is necessary in?

  1. SSNM approach
  2. DRIS approach
  3. LCC approach
  4. STCR approach

STCR approach

Q.95 Khaira disease is caused due to deficiency of?

  1. Zn
  2. P
  3. Mn
  4. N

Zn

Q.96 In India, the work on biogas was first carried out by?

  1. S.V.Deasi
  2. J.N.Mukarjee
  3. C.N.Acharya
  4. N.N.Goswami

S.V.Deasi

Q.97 The headquarters of National Bureau of Soil Survey and Land Use Planning is located at?

  1. Ahmedabad
  2. Bangalore
  3. Mumbai
  4. Nagpur

Nagpur

Q.98 Indian Institute of Soil Science is located at?

  1. Kolkatta
  2. Hisar
  3. Bhopal
  4. Karnal

Bhopal

Q.99 Composting was first initiated in?

  1. India
  2. China
  3. England
  4. USA

England

Q.100 Navigation system developed by India is called?

  1. Navic
  2. IPS
  3. ISRO-GPS
  4. National GPS

Navic

JNKVV and RVSKVV PhD Soil Science & Agricultural Chemistry Entrance Question Paper 2020

More Previous Year Paper Click
AgriExam App Click

1 thought on “JNKVV and RVSKVV PhD Soil Science & Agricultural Chemistry Entrance Question Paper 2020”

  2. Advertisements

Leave a Comment

You can only read