List of top Questions asked in ICAR AIEEA (PG)

The characteristics of the Plinthite horizon are
(A) It is rich in humus
(B) It is rich in sesquioxide
(C) Presence of yellowish or greyish mottles
(D) Hardens reversibly due to repeated wetting and drying
Choose the correct answer from the options given below :
Match List-I with List-II

List-I (Soil Moisture/Temp Regime) & List-II (Mean Annual Soil Temperature)
(A) MESIC & (I) 15$^\circ$C to $<$ 22$^\circ$C
(B) THERMIC & (II) 8$^\circ$C to $<$ 15$^\circ$C
(C) HYPERTHERMIC & (III) 28$^\circ$C or more
(D) MEGHATHERMIC & (IV) 22$^\circ$C to $<$ 28$^\circ$C

Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Bacillus megaterium is an efficient P-solubilizing bacteria.
Reason (R) : Bacillus megaterium produces different organic acids for dissolution.
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : Humic acids are more resistant than fulvic acid.
Reason (R) : Humic acids have low molecular weight and simple structure than fulvic acids.
In light of the above statements, choose the correct answer from the options given below.
Which of the following theories are associated with humus formation ?
(A) Polyphenol theory
(B) Linin-protein theory
(C) Chemiosmosis theory
(D) Sugar-amine condensation theory
Suppose roots, straw, and grains of a wheat crop produce dry matter of 2.5 t/ha, 6 t/ha, and 4 t/ha containing 0.2%, 0.5%, and 1.5% N, respectively. How much total N uptake by the above-ground portion ?
Match List-I with List-II

List-I (Instrument) & List-II (Used for Measurement of)
(A) Liquid Limit Device & (I) Wind speed
(B) Pycnometer & (II) Soil Plasticity
(C) Beufort scale & (III) Depth of water table
(D) Piezometer & (IV) Specific Gravity of soil
Diseases occurring due to Ca deficiency are
(A) Hollow heart in Groundnut
(B) Frenching of Citrus
(C) Pod popping in Groundnut
(D) Pillowing of Cucumber
Choose the correct answer from the options given below :
The word soil has been derived from.
The science that deals with soil genesis and classification is called as :
Which are the fundamental soil-forming process ?
(A) Eluviation
(B) Illuviation
(C) Laterization
(D) Humification
Choose the correct answer from the options given below :
Match List-I with List-II

List-I (Name of Scientist) & List-II (Discovered)
(A) James Wilson & (I) Nitrogen-fixing bacteria
(B) Winogradsky & (II) Host plant resistance
(C) R.H. Painter & (III) Hybrid wheat
(D) S.S. Bains & (IV) Relay cropping
Match List-I with List-II

List-I (Name of Author) & List-II (Name of Book)
(A) Rachel Carson & (I) Elements of Agricultural Chemistry
(B) Humphrey Davy & (II) Natures of plant
(C) Theophrastus & (III) Soil Genesis and classification
(D) S. Buol & (IV) Silent Spring
The ionic product of water at ordinary temperature (25°C) is a constant value of :
Plantation of high water - consuming for withdrawal of ground water is term as :
Which of the following method likely to be used where the water supply is limited and the market value of the crop is high ?
Given below are two statements, one is labeled as Assertion (A) and the other one is labeled as Reason (R).
Assertion (A) : The organochlorine pesticides accumulate in the fatty tissues in the human body.
Reason (R) : Organochlorine pesticides are chemically unstable and hydrophobic.
In light of the above statements, choose the most appropriate answer from the options given below.
Identify the copper-containing minerals.
(A) Covellite
(B) Azurite
(C) Powellite
(D) Limonite
Choose the correct answer from the options given below :
Match List-I with List-II

List-I (Method) & List-II (Estimation)
(A) Kjeldahl method & (I) Estimation of Soil moisture
(B) Walkley & Black method & (II) Estimation of Sedimentation of soil particles
(C) Hydrometer method & (III) Estimation of Organic Carbon
(D) Gravimetric method & (IV) Estimation of Nitrogen
Water use efficiency in increasing order
Match List-I with List-II

List-I (Nature of reaction) & List-II (Nature of the process)
(A) Reduction of iron in waterlogged soil & (I) Argilliation
(B) Leaching of dispersed particles & (II) Podsolisation
(C) Intermixing of soil horizon & (III) Gleisation
(D) Eluviation of oxides of Fe, Al & Humus & (IV) Pedoturbation
Given below are two statements :
Statement (I) : Saline soil has the characteristics of $\text{EC} > 4\text{ ds/m}$, $\text{ESP} > 15$, and $\text{pH} < 8.5$}
Statement (II) : Alkaline soils have the characteristics of $\text{EC} > 4\text{ ds/m}$, $\text{ESP} < 15$, and $\text{pH} > 8.5$}
In light of the above statements, choose the most appropriate answer from the options given below.
What will be the soil texture if it contains 60% clay, 20% silt, and 20% sand particles ?
Make the correct sequence of steps involved in the T- budding method of rose flower crop?
(A) Incision of T shaped cut on the rootstock stem.
(B) Selection and planting of rootstocks.
(C) Insertion of scion wood in the T- cut on rootstock stem.
(D) Selection and preparation of scion wood.
(E) Wrapping of scion budded on rootstock stem with polythene.
Choose the correct answer from the options given below:
Which of the following annuals are directly sown in the beds?
(A) Pansy
(B) Nasturtium
(C) Stock
(D) Hollyhock
Choose the correct answer from the options given below: