List of top Questions asked in ICAR AIEEA (PG)- 2023

Using the following types of water erosion, find which order is the correct one.
(A) Splash erosion
(B) Sheet erosion
(C) Rill erosion
(D) Gully erosion
Choose the correct answer from the options given below:
Type of soil water available for normal crop growth
Area of the micro-watershed is
The Dapog method of raising rice nursery was introduced in India from
The practice of controlling water erosion by cultivation of alternate erosion permitting and erosion resistant crops is called as
Given below are two statements, one labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): Zero-tillage practice in rice-wheat cropping system is a climate change adaptation strategy.

Reason (R): It helps to avoid terminal heat stress of wheat.

In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): Ridging increases albedo, thereby increasing the effective incoming radiation compared to a flat surface.

Reason (R): Tillage causes unequal distribution of energy at the soil surface.

In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): The Net Assimilation Rate (NAR) is a measure of the average photosynthetic efficiency of leaves in a crop community.

Reason (R): It is highest when the plants are small and most of the leaves are exposed to sunlight.

In light of the above statements, choose the correct answer from the options given below.
What is the optimum range of soil moisture for effective ploughing?
Match List-I with List-II.

List-I
(Plant hormones)		List-II
(Major function)
(A) Auxins(I) Induces leaf and fruit abscission
(B) Cytokinin(II) Elongation of cells
(C) Abscisic acid(III) Stimulates the swelling of stems and roots
(D) Ethylene(IV) Stimulate cell division

Choose the correct answer from the options given below:
Calculate the cumulative pan evaporation (CPE) required for scheduling irrigation at an \(IW/CPE\) ratio of \(0.5\), given \(5\) cm of irrigation water (IW).
Match List-I with List-II

List-I
(CGIAR centers)		List-II
(Headquarter)
(A) International Institute of Tropical Agriculture (IITA)(I) Nairobi, Kenya
(B) International Livestock Research Institute (ILRI)(II) Battaramulla, Sri Lanka
(C) International Water Management Institute (IWMI)(III) Beirut, Lebanon
(D) International Center for Agricultural Research in the Dry Areas (ICARDA)(IV) Ibadan, Nigeria

Choose the correct answer from the options given below:
Which of the following statements are correct for "Tillage"?

(A) The most important objectives of tillage are seedbed preparation, increasing soil fertility, and soil moisture conservation.
(B) Tillage increases the bulk density of soil in the long run.
(C) Tillage improve soil tilth, soil aeration and root penetration.
(D) Tillage removes hard pans thus increase the soil depth for water absorption.

Choose the correct answer from the options given below:
Which of the following statements are correct for "Dryland agriculture"?

(A) Growing season in dryland agriculture is < 300 days.
(B) Rainfall should be < 1800 mm.
(C) Main constraints are wind and water erosion.
(D) Growing regions are mainly humid and tropical as well as uplands.

Choose the correct answer from the options given below:
The concentration of nitrogen in atmosphere upto 50 km from the ground surface is
Given below are two statements:

Statement (I): Precision agriculture is generally defined as information and technology based farm management system to identify, analyze and manage variability within fields for optimum profitability, sustainability and protection of the land resources.

Statement (II): Precision agriculture is the application of drone technologies in agricultural production.

In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II

List-I
(Types of ecology)		List-II
(Explanation)
(A) Ecosystem ecology(I) The units of study are interactions between different communities of area.
(B) Community ecology(II) The units of study are pure stands of individuals of a single species.
(C) Biome ecology(III) The units of study are groups of individuals belonging to different species of plants as well as animals.
(D) Population ecology(IV) The most complicated synecological approach to the ecology of an area.

Choose the correct answer from the options given below:
Particles that are not used for cloud seeding in artificial rain making is:
Match List-I with List-II

List-I
(Fact/feature/event/phenomena)		List-II
(Definition)
(A) Ecotype(I) A uniform interbreeding population spread over time and space.
(B) Ecotone(II) It is a group of individual organisms of the same species in a given area.
(C) Species(III) It is a population of individuals of a species, which are genetically different.
(D) Population(IV) A zone of transition, presenting a situation of special ecological interest between two different types of communities.

Choose the correct answer from the options given below:
Given below are two statements:
Statement (I): In the atmosphere, 90% of the ozone is distributed in the troposphere, while only 10% is confined to the stratosphere.
Statement (II): According to IPCC (2007) estimated value of radiative forcing from the tropospheric ozone is to be 0.35 \(\pm\) 0.15 W m\(^{-2}\).
In light of the above statements, choose the most appropriate answer from the options given below.
Full form of NISAR satellite is
The region of atmosphere having the constant temperature is
The product of the photorespiration process is:
Photorespiration does not take place in C4 plants because such plants:
Which of the following clouds is a rain bearing cloud?