List of top Physical Sciences Questions asked in ICAR AIEEA (PG)

The pF curve is same as:
The steady-state soil infiltration rate is:
Saturated hydraulic conductivity in situ is measured by:
The characteristics of Palygorskite mineral are..
(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
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The process by which neutrons lose their kinetic energy through elastic collisions in the soil is known as:
Match List-I with List-II
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Given below are two statements, one is labelled as Assertion (A) and the other one is labelled as Reason (R).
Assertion (A): The notation of Munsell Colour Chat is 2.5YR5/6
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.
Match List-I with List-II
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(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 Soils
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Soil moisture content decreases the order:
(A). Permanent wilting
(B). Hygroscopic
(C). Field Capacity
(D). Oven dry
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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 most 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): The water requirement of Rice varies from 100 to 200 cm.
Reason (R): Water requirement varies due to soil type and rainfall and variety.
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II
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Given below are two statements, one is labeled as Assertion (A), and the other one is labeled 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.
Match List-I with List-II
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Match List-I with List-II
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Match List-I with List-II
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Match List-I with List-II
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Which of the following programme was introduced to bridge the gap between Research System and the Extension System Programme
Which of the following Scientist are associated with the development of humus?
(A). Kononova
(B). Waksman
(C). Stevenson
(D). Beijerinck
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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 clay
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During the mineralization of the organic P compound, microorganisms cleave the compound by the production the enzymes:
(A). ATP sulfurylase
(B). Phosphatase
(C). Phytase
(D). Nitrogenase
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Given below are two statements, one is labeled as Assertion (A), and the other one is labeled 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.
A water column of 10 m in height represents the atmospheric pressure of:
(A). 100 kPa
(B). 100 dyne/cm$^2$
(C). 1 bar
(D). 0.9 atm
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Which of the following purposes N - serve is used?