List of top Questions asked in ICAR AIEEA (PG)

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-C
Choose the correct answer from the options given below:
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:
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Tillage cause sub-surface soil compaction
Reason (R) : Splashed soil particles clog soil pores
In light of the above statements, choose the most appropriate answer from the options given below .
Soil water matric potential for a wide range of soil wetness can be measured by
The most abundant soil microorganism is:
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 the 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 most appropriate answer from the options given below.
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:
Match List-I with List-II
Choose the correct answer from the options given below:
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 matter
Choose the correct answer from the options given below:
Atomic spectrum is an example of
Match List-I with List-II
Choose the correct answer from the options given below:
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.
Match List-I with List-II
Choose the correct answer from the options given below:
Arrange the following clay minerals in terms of their increasing activity (measured through cation exchange capacity)
(A) Kaolinite
(B) Vermiculite
(C) Gibbsite
(D) Illite
Choose the correct answer from the options given below:
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.
Match List-I with List-II
Choose the correct answer from the options given below:
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, JAXA
Choose the correct answer from the options given below:
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.
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 with limited freshwater availability to flush out the excess salts from the soil, favoring the formation of saline soils
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements:
Statement (I): Soil Oxygen Diffusion Rate measurement is based on Fick's law
Statement (II): The diffusion coefficient of $\text{O}_2$ is higher than $\text{CO}_2$}
In light of the above statements, choose the most appropriate answer from the options given below.
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) Virile
Choose the correct answer from the options given below:
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:
Which of the following Atomic Absorption Spectrometers is used for determination of mercury?
Which of the following microflora is most abundant in soil?
The $\text{CO}_2$ around plant roots in the soil is exchanged with the atmosphere through the process known as: