Design, aviation & allied entrances

Agriculture Sciences - ICAR AIEEA (Horticulture & Plant Pathology) previous year questions (PYQ)

1,733 previous year Agriculture Sciences - ICAR AIEEA (Horticulture & Plant Pathology) questions, grouped by year, with answers and solutions.

Start free Book a demo

2026 (564 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Bacillus thuringiensis
(B)
Rhizobium spp.
(C)
Azospirillum brasilense
(D)
Azotobacter chroococcum
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Aridisols
(B)
Entisols
(C)
Inceptisols
(D)
Vertisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2025 (90 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Azospirillum brasilense
(B)
Bacillus thuringiensis
(C)
Rhizobium spp.
(D)
Azotobacter chroococcum
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Entisols
(B)
Vertisols
(C)
Inceptisols
(D)
Aridisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2024 (222 questions)

Q1.

ICAR AIEEA Plant Pathology: Which destructive historical plant disease caused by the oomycete pathogen Phytophthora infestans was responsible for the catastrophic Great Irish Famine of 1845 in 'Agricultural Entomology: Integrated Pest Management (IPM) and Economic Threshold Levels'?

(A)

Late Blight of Potato (Agricultural Entomology: Integrated Pest Management (IPM) and Economic Threshold Levels)

(B)

Early Blight of Potato (Alternaria solani)

(C)

Bacterial Wilt

(D)

Black Scurf

Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.

Financial Valuation & Risk Governance: In quantitative risk assessment of 'Pomology: Cultivation of Major Fruit Crops (Mango, Banana, Citrus, Apple)', which metric reliably gauges liquidity coverage and credit solvency?

(A)

Interest coverage ratio and net debt-to-EBITDA within prudential regulatory thresholds (Pomology: Cultivation of Major Fruit Crops (Mango, Banana, Citrus, Apple))

(B)

Gross uncollateralized receivables divided by overdue accounts payable

(C)

Speculative inventory holding periods ignoring market depreciation

(D)

Nominal face value of authorized share capital without considering equity

Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2023 (88 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which essential plant macronutrient plays a pivotal physiological role in stomatal regulation, cell turgor maintenance, and activating carbohydrate metabolism enzymes?

(A)
Phosphorus (P)
(B)
Magnesium (Mg)
(C)
Calcium (Ca)
(D)
Potassium (K)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Azotobacter chroococcum
(B)
Azospirillum brasilense
(C)
Bacillus thuringiensis
(D)
Rhizobium spp.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2022 (96 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): In integrated pest management (IPM), what is the definition of 'Economic Threshold Level' (ETL)?

(A)
The stage at which 100% of all insect pests are completely exterminated
(B)
The market price of chemical insecticides balanced against grain yield
(C)
The lowest population density that will cause measurable economic crop loss
(D)
The pest density at which control measures should be initiated to prevent the population from reaching the Economic Injury Level (EIL)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Vertisols
(B)
Entisols
(C)
Aridisols
(D)
Inceptisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2021 (100 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Azospirillum brasilense
(B)
Rhizobium spp.
(C)
Bacillus thuringiensis
(D)
Azotobacter chroococcum
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Azotobacter chroococcum
(B)
Azospirillum brasilense
(C)
Bacillus thuringiensis
(D)
Rhizobium spp.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2020 (101 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): In integrated pest management (IPM), what is the definition of 'Economic Threshold Level' (ETL)?

(A)
The stage at which 100% of all insect pests are completely exterminated
(B)
The lowest population density that will cause measurable economic crop loss
(C)
The market price of chemical insecticides balanced against grain yield
(D)
The pest density at which control measures should be initiated to prevent the population from reaching the Economic Injury Level (EIL)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Bacillus thuringiensis
(B)
Azotobacter chroococcum
(C)
Azospirillum brasilense
(D)
Rhizobium spp.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2019 (96 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): In integrated pest management (IPM), what is the definition of 'Economic Threshold Level' (ETL)?

(A)
The pest density at which control measures should be initiated to prevent the population from reaching the Economic Injury Level (EIL)
(B)
The lowest population density that will cause measurable economic crop loss
(C)
The market price of chemical insecticides balanced against grain yield
(D)
The stage at which 100% of all insect pests are completely exterminated
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): In integrated pest management (IPM), what is the definition of 'Economic Threshold Level' (ETL)?

(A)
The lowest population density that will cause measurable economic crop loss
(B)
The market price of chemical insecticides balanced against grain yield
(C)
The pest density at which control measures should be initiated to prevent the population from reaching the Economic Injury Level (EIL)
(D)
The stage at which 100% of all insect pests are completely exterminated
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2018 (100 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which essential plant macronutrient plays a pivotal physiological role in stomatal regulation, cell turgor maintenance, and activating carbohydrate metabolism enzymes?

(A)
Calcium (Ca)
(B)
Magnesium (Mg)
(C)
Phosphorus (P)
(D)
Potassium (K)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Rhizobium spp.
(B)
Azotobacter chroococcum
(C)
Bacillus thuringiensis
(D)
Azospirillum brasilense
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2017 (92 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which symbiotic nitrogen-fixing bacterium forms root nodules specifically on leguminous crops (e.g. Soybeans, Chickpeas, Groundnuts)?

(A)
Azotobacter chroococcum
(B)
Bacillus thuringiensis
(C)
Rhizobium spp.
(D)
Azospirillum brasilense
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Entisols
(B)
Vertisols
(C)
Inceptisols
(D)
Aridisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2016 (81 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Which essential plant macronutrient plays a pivotal physiological role in stomatal regulation, cell turgor maintenance, and activating carbohydrate metabolism enzymes?

(A)
Magnesium (Mg)
(B)
Calcium (Ca)
(C)
Potassium (K)
(D)
Phosphorus (P)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.

ICAR AIEEA Plant Pathology: Which destructive historical plant disease caused by the oomycete pathogen Phytophthora infestans was responsible for the catastrophic Great Irish Famine of 1845 in 'Post-Harvest Technology: Cold Storage, Modified Atmosphere and Processing'?

(A)

Late Blight of Potato (Post-Harvest Technology: Cold Storage, Modified Atmosphere and Processing)

(B)

Early Blight of Potato (Alternaria solani)

(C)

Bacterial Wilt

(D)

Black Scurf

Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2015 (103 questions)

Q1.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Vertisols
(B)
Aridisols
(C)
Inceptisols
(D)
Entisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In ICAR AIEEA Agricultural Sciences (Pomology, Olericulture & Plant Protection): Black cotton soils (Regur soils) in the Deccan Plateau are classified under which USDA soil taxonomy order characterized by high swelling and shrinking clay content?

(A)
Inceptisols
(B)
Vertisols
(C)
Entisols
(D)
Aridisols
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
All Years Protected

Want All 1733 Agriculture Sciences - ICAR AIEEA (Horticulture & Plant Pathology) PYQs?

Sign up free to unlock every previous year question paper with detailed solutions, practice in timed exam mode, and evaluate your rank.

Sign in to unlock Create free account

Ready to practice Agriculture Sciences - ICAR AIEEA (Horticulture & Plant Pathology) PYQs?

Sign up free to unlock every previous year question and generate papers from them.

Start free Chat on WhatsApp