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

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
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:
In which of the following disease you will find both sign and symptoms together
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:
Which of the following pathogen produces sporodochium
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:
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:
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:
Sclerotia of Claviceps purpurea responsible for the infamous St. Anthony's Fire is believed to contain
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 (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:
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 (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. 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:
Match List I with List II
List I (Process):
A. Anther culture
B. Asymmetric hybrid
C. Analytical breeding
D. Actinomycin D
List II (Results/Related to):
I. Virus elimination
II. Gamatoclonal variation
III. Chromosome elimination
IV. Ploidy manipulation
Choose the correct answer from the options given below:
Match List I with List II
List I (Micropropagation propagules):
A. Protocorms
B. Bulblets
C. Somatic embryos
D. Adventitious shoot buds
List II (Crops):
I. Oil palm
II. Orchids
III. Begonia
IV. Lily
Choose the correct answer from the options given below:
The C4 plants usually have the following features -
A. The first stable product in the system is a 4-carbon compound
B. There are two CO2 acceptors, viz., PEP and RUBP
C. Oxygen does not have any inhibitory effect on the process.
D. RUBP carboxylase is present in the mesophyll.
Choose the correct answer from the options given below:
Match List I with List II
List I (Compound):
A. Benzyl alcohol
B. Silica content
C. Asparagine content
D. Sinigrin content
List II (Target/Related insect-pests):
I. Brown plant hopper
II. Green bugs
III. Cabbage aphid
IV. Rice stem borer
Choose the correct answer from the options given below:
The formation of a loop during the pachytene stage of meiosis indicates occurrence of -
A: Translocation
B: Deficiency
C: Inversion
D: Duplication
Choose the correct answer from the options given below:
Which of the following constitutes 'genetic emasculation'?
A. Genetic male sterility
B. Transgenic male sterility
C. Cytoplasmic-genetic male sterility
D. Chemical hybridizing agent
Choose the correct answer from the options given below:
The use of synthetic varieties is more beneficial than single-cross or double-cross hybrids. The reasons are-
A. Yield of synthetic varieties is higher than hybrids
B. Farmers can save their own produce as seeds and no need to buy new seeds every year
C. Synthetic varieties have wider adaptability than hybrids
D. No need to make fresh crosses every year to produce seeds
Choose the correct answer from the options given below:
The process of mitosis in a cell consists of a series of events as given below. Arrange the events in order from first to the last as per the time of occurrence
A. The highly condensed chromosomes move to the equatorial plate of the spindle
B. The centromere interacts with the spindle fiber apparatus
C. Division of the cytoplast
D. Sister chromatids move apart to the oppositive poles
E. The nuclear membrane breaks down and the spindle-shaped structure of microtubules is organized
Choose the correct answer from the options given below:
In seed technology, the term 'dockage' is commonly used to describe-
In maize, the diploid chromosome number (2n) is 20. The number of chromosomes in endosperm cell (EC), pollen mother cell (PMC), pollen tube nucleus (PTN), and root tip cells (RTC) will be-
Choose the correct answer from the options given below: