List of top Questions asked in ICAR AIEEA (PG)- 2022

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Faster global connectivity is one of the reasons for the reemergence of certain plant diseases.
Reason R: The wheat blast outbreak in Bangladesh was attributed to the host jump from rice to wheat during 2016.

In light of the above statements, choose the correct answer from the options given below:

Choose the correct statements regarding Nonhost resistance (NHR) and Host resistance in plants:
A. Type I Nonhost resistance does not have visible symptoms
B. Type II Nonhost resistance is always associated with hypersensitive reaction
C. Neither Type I nor Type II Nonhost resistance is useful for resistance breeding
D. Type II Nonhost resistance and Host resistance involve the same signal transduction pathway
E. Only Type I Nonhost resistance is useful for resistance breeding

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Complete absence of false negative results would make a diagnostic kit highly successful.
Reason R: False negatives are due to poor sensitivity of the phenotypic or molecular marker deployed.

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 the other is labelled as Reason R.
Assertion A: Monocropping of genetically identical crop varieties would enable the pathogen to evolve.
Reason R: Pathogen evolution is rapid in biotrophic interactions.

In light of the above statements, choose the correct answer from the options given below:

Given below are two statements:
Statement I: Explosive epidemics are caused by foliar pathogens that are clonally reproduced.
Statement II: Clonal reproduction allows genetically non-identical virulent types.

In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:
Statement I: PAMPs are coded by highly conserved genetic loci in the pathogen.
Statement II: PAMPs are perceived by highly conserved plant receptors termed as PRRs.

In light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements:
Statement I: Mutations in Avr-gene are beneficial for the pathogens.
Statement II: Mutation in the effector coding gene would improve the perception of effectors by plant cytoplasmic receptor.

In light of the above statements, choose the most appropriate answer from the options given below:

Match List I with List II to identify the correct relationship between the fungal structure and its corresponding genus:

List I (Fungal Structure)
A. Pycnidia
B. Naked Hyphae
C. Synemata
D. Acervuli
E. Sporodochia

List II (Genera)
I. Diplodia
II. Cladosporium
III. Trichurus
IV. Melanconium
V. Tubercularia

A. Necrosis manifest in the form of blotch
B. Abnormal growth manifest in the form of warts
C. Necrosis manifest in the form of leaf curl
D. Abnormal growth manifest in the form of anthracnose
E. Witche's broom is caused only by phytoplasma
Choose the correct answer from the options given below:

Match List I with List II
List I (Character):
A. Spores/Cells with two anterior, unequal, whiplash flagella
B. Spores/Cells with one posterior whiplash flagellum
C. Spores/Cells with two flagella; one anterior and one posterior
D. Spores/Cells without any flagella
List II (Pathogen):
I. Magnaporthe
II. Phytophthora
III. Synchytrium
IV. Plasmodiophora
Choose the correct answer from the options given below:

Match List I with List II to identify the correct plant disease and its causal Phytophthora species:

List I (Disease)
A. Red Stele
B. Black Pod
C. Black Shank
D. Sudden Death
E. Late Blight

List II (Pathogen)
I. Phytophthora infestans
II. Phytophthora fragariae
III. Phytophthora palmivora
IV. Phytophthora parasitica
V. Phytophthora ramorum

Match List I with List II
List I (Powdery mildew Tribe):
A. Tribe Erysipheae
B. Tribe Phyllactinieae
C. Tribe Golovinomyceteae
D. Tribe Cystotheceae
E. Tribe Blumeria
List II (Genera):
I. Blumeria
II. Podosphaera
III. Brasiliomyces
IV. Leveillula
V. Neoerysipheae
Choose the correct answer from the options given below:

Match List I with List II
List I (Society):
A. American Phytopathological Society
B. British Society for Plant Pathology
C. German Society of Plant Protection and Plant Health
D. Brazilian Society of Plant Pathology
E. Indian Society of Plant Pathologists
List II (Journal):
I. Plant Disease Research
II. Molecular Plant Pathology
III. Phytobiome Journal
IV. Tropical Plant Pathology
V. Journal of Plant Disease and Protection
Choose the correct answer from the options given below:

Which of the following pathogen produces sporodochium

A. Porins allow bacteria to move nutrients and waste across the cell membrane
B. Type III Secretion System (TTSS) allows bacteria to move nucleoprotein complex across the cell membrane
C. EPS is a virulence factor in wilt-causing bacteria
D. LPS allows bacteria to bind to host lectins
E. Hydrolytic enzymes are not virulence factors for bacteria
Choose the correct answer from the options given below:

A. Systemic Acquired Resistance is one of the induced nonspecific resistance systems in plants
B. Induced Systemic Resistance is one of the induced specific resistance systems in plants
C. Hypersensitive Reaction is one of the induced nonspecific resistance systems in plants
D. Hypersensitive Reaction is one of the induced specific resistance systems in plants
E. Induced Systemic Resistance is one of the induced nonspecific resistance systems in plants
Choose the correct answer from the options given below:

In which of the following disease you will find both sign and symptoms together

Sequence of pathogenesis events:
A. Invasion
B. Dissemination
C. Reproduction
D. Infection
E. Inoculation
F. Penetration
Choose the correct sequence from the options given below:

In maize, the opaque 2 mutants are found to have some of the following quality parameters. Identify -

Match List I with List II
List I (Phytochemical):
A. BOAA
B. Erusic acid
C. Gossypol
D. Linolenic acid
List II (Plant species):
I. Brassica species
II. Flax or Linseed
III. Lathyrus
IV. Cotton
Choose the correct answer from the options given below:

Match List I with List II
List I (Terminology):
A. Double monosomy
B. Trisomy
C. Nullisomy
D. Double tetrasomy
List II (Genetical formula):
I. 2N+2+2
II. 2N-2
III. 2N-1-1
IV. 2N+1
Choose the correct answer from the options given below:

Match List I with List II
List I (Parameter):
A. Germplasm conservation
B. Clonal degeneration
C. DMSO
D. Virus elimination
List II (Activity):
I. Virus infection, mutation
II. Cryoprotectant
III. Cryotherapy
IV. In-situ, ex-situ, cryopreservation
Choose the correct answer from the options given below:

Sclerotia of Claviceps purpurea responsible for the infamous St. Anthony's Fire is believed to contain

The mating schemes that increase homozygosity in the plants are -
A. Genetic assortative mating
B. Genetic disassortative mating
C. Phenotypic assortative mating
D. Phenotypic disassortative mating
Choose the correct answer from the options given below:

Match List I with List II
List I (Terminology):
A. Hybrid
B. Pure line variety
C. Composite variety
D. Synthetic variety
List II (Description):
I. A variety produced by mixing the seeds of several phenotypically outstanding lines not tested for GCA.
II. A variety developed by intercrossing a number of genotypes of known superior combining ability.
III. First generation cross product has grown commercially.
IV. Progeny of a single, self-fertilized, homozygous plant.
Choose the correct answer from the options given below: