List of top Questions asked in ICAR AIEEA (PG)- 2024

The soil hydraulic head is expressed by

Assertion (A): Cover cropping is a common practice in organic farming systems.
Reason (R): Cover crops help to improve soil health, suppress weeds, and enhance biodiversity, aligning with the principles of organic agriculture.

Father of Modern Organic Agriculture is

Which one of the following is not a monosaccharide?

The characteristic of Saline-Alkali soil are

Which of the following statement(s) is/are true for tensiometer?
(A) It measures soil water potential.
(B) It is simple in operation and very useful for scheduling irrigation.
(C) It can also be used for measuring soil water flux.
(D) Although limited to &lt: 1 bar matric potential, this range can be increased by increasing the permeability of its porous cup.

Mixing of soil matrix within a pedon resulting in irregular or broken horizons over permafrost is called

Given below are two statements:
Statement (I): 2:1 layer silicates consist of two tetrahedral sheets bound to either side of an octahedral sheet
Statement (II): Two tetrahedral sheets of 2:1 layer silicates is bound to one side of an octahedral sheet in 2:1 layer silicates

Assertion (A): Organic mulch conserves soil moisture.
Reason (R): Organic mulches cut off solar radiation falling on the soil surface and reduce evaporation.

When rainfall is inadequate to meet the evapotranspiration losses, usually occurring in humid regions, it is called

In the International Union of Soil Science classification system, fine sand has a size range of

Ecological races are also known as

Match List-I with List-II:

Conversion period of an organic farm is generally (for perennial crop):

Bone meal is a source of:
(A) Ca
(B) N
(C) P
(D) Mo

Match List-I with List-II:

K fixing power of clay minerals follows the order:
(A) Illite
(B) Montmorillonite
(C) Kaolinite
(D) Vermiculite

Release of iron from primary minerals and their dispersal as coatings on soil particles to impart brown to red colour to soil particles is called:
(A) Braunification
(B) Ferruginisation
(C) Rubification
(D) Laterisation

Trace elements that show affinity for sulphide minerals are called

Assertion (A): Ammonium-based fertilisers are the major contributors to soil acidification.
Reason (R): Especially the non-leachable nitrogen ions which have been taken up by plants contribute to the soil acidity

Parent material transported by wind is called

Nutrient supply in organic farming is based on feeding the soil not feeding the crop - Justify

The term ‘Organic farming’ was first coined by

Statement (I): The capacitance method measures soil moisture content by analyzing changes in electrical capacitance.
Statement (II): The finger-licking method estimates soil moisture content based on tactile sensations.