ICAR PG Plant Science-2022 — Agri Master Mind

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Meiosis is a reductional division.Reason R: In meiosis, the chromosome number is reduced from diploid to haploid.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
According to latest classification, the Prokaryotes are divided into two domains—
  • Archaea and Bacteria
  • Eubacteria and Bacteria
  • Bacteria and Fungi
  • Archaebacteria and Actinobacteria
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: The mode of DNA replication is semi-conservative in nature.Reason R: One of the DNA strands is synthesized continuously, while the other is synthesized discontinuously.
  • Both A and R are correct, and R is the correct explanation of A
  • Both A and R are correct, but R is NOT the correct explanation of A
  • A is correct but R is not correct
  • A is not correct but R is correct
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 cytoplastD. Sister chromatids move apart to the opposite poles.E. The nuclear membrane breaks down and the spindle-shaped structure of microtubules is organized.
  • A, B, C, D, E
  • E, B, A, D, C
  • E, A, B, D, C
  • D, B, A, E, C
The inflorescence of rice is called—
  • Ear
  • Panicle
  • Spike
  • Spadix
Which of the following amino acids starts all protein synthesis?
  • Glycine
  • Methionine
  • Thymine
  • Proline
Chloroplasts are present in the cells of—A. FungiB. AlgaeC. PlantsD. Animals
  • A and C only
  • C only
  • B and C only
  • C and D only
Match List I with List IIList I (Terminology)List II (Genetical formula)A. Double monosomyI. 2N+2+2B. TrisomyII. 2N-2C. NullisomyIII. 2N-1-1D. Double tetrasomyIV. 2N+1
  • A - III, B - IV, C - II, D - I
  • A - III, B - IV, C - I, D - II
  • A - IV, B - III, C - II, D - I
  • A - III, B - I, C - II, D - IV
Arrange the following parts of Wheat (Triticum aestivum L.) in descending order with respect to their chromosome number.A. EndospermB. Male gameteC. Embryo
  • B, A, C
  • C, A, B
  • A, C, B
  • A, B, C
The genetic codes are degenerative in nature. The degeneracy is observed primarily in the—
  • 1st base of the codon
  • 2nd base of the codon
  • Both 1st and the 2nd base of the codon
  • Both 3rd and the Wobble position base of the codon
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.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Suppose you wish to combine the mitochondria from species A with the chloroplast and nucleus of species B. Which of the following techniques is highly suited to achieve the objective?
  • Isolation and fusion of the protoplasts of both species A and B
  • Fusion of protoplast of species A with the cytoplast of species B
  • Fusion of protoplast of species B with the cytoplast of species A
  • Backcrossing program using species B as recurrent parent
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Atavism refers to the reappearance of a trait after it remains hidden for several generations.Reason R: The chance combination of genes allows long-suppressed hidden traits to reappear and express.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true, but R is false
  • A is false, but R is true
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: DNA polymerase can synthesize DNA in the 5' to 3' direction.Reason R: DNA polymerase can synthesize DNA in the 3' to 5' direction.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true, but R is false
  • A is false, but R is true
As per the general model, the order of the activities in the DNA replication in E. coli from the beginning to the end is—A. Enzyme ‘primase’ synthesizes the ‘primer RNA.’B. Single-strand binding (SSB) proteins bind to the separated single strands and stabilize them.C. DNA gyrase and DNA helicase unwind the complementary strands of DNA in the origin of replication (Ori C).D. After digesting the RNA primers, the ‘Okazaki fragments' are joined together by the enzyme ‘ligase’.E. Synthesis of DNA starts and goes continuously in the ‘leading strand’ and discontinuously in the ‘lagging strand.’
  • A, C, D, B, E
  • C, A, B, D, E
  • C, B, A, E, D
  • A, C, B, E, D
Which one of the following characteristics is NOT true for 'genetic drift'?
  • It usually does not occur in a large random mating population
  • It is like genetic erosion
  • It leads to the loss of alleles
  • It is almost inevitable in a small population
The formation of a loop during the pachytene stage of meiosis indicates occurrence of—A. TranslocationB. DeficiencyC. InversionD. Duplication
  • A, B and D only
  • A, B and C only
  • B, C, and D only
  • A, C, and D only
If Meselson and Stahl's experiment on the mode of DNA replication is continued up to the sixth generation in bacteria, the ratio of Heavy strands 15N/15N : Hybrid 15N/14N : Light strand 14N/14N containing DNA in the sixth generation would be—
  • 1:1:1
  • 0:1:7
  • 0:1:15
  • 0:1:31
In molecular marker technologies, the acronym RFLP stands for—
  • Random Fragment Locus Polymorphism
  • Random Fragment Length Polymorphism
  • Restriction Fragment Locus Polymorphism
  • Restriction Fragment Length Polymorphism
Bonds involved in the protein structure are—A. Peptide bondB. Hydrogen bondC. Ionic BondD. Disulfide bondE. Hydrophobic interactions
  • A and B only
  • A, B and D only
  • A, D and E only
  • A, B, C, D and E
To resolve a parental dispute, the Honorable Judge ordered DNA-fingerprinting of the child. The probable DNA fingerprints of the child would be—
  • 100% similar to the DNA prints of both the parents (father and mother)
  • 100% similar to the DNA prints of the father
  • 100% similar to the DNA print of the mother
  • About 50% of DNA prints would match either of the parents
Ribosomes are made up of—A. RNAB. ProteinC. GlucoseD. DNA
  • A and C only
  • A and B only
  • A, B and D only
  • A, B and C only
The subunits of 80S ribosome include—
  • 40S and 50S
  • 40S and 60S
  • 30S and 50S
  • 30S and 60S
Match List I with List IIList I (Micropropagation propagules)List II (Crops)A. ProtocormsI. Oil palmB. BulbletsII. OrchidsC. Somatic embryosIII. BegoniaD. Adventitious shoot budsIV. Lily
  • A - II, B - IV, C - III, D - I
  • A - II, B - I, C - IV, D - III
  • A - III, B - IV, C - I, D - II
  • A - II, B - IV, C - I, D - III
Match List I with List IIList I (Crop)List II (Inflorescence)A. RiceI. Head or CapitulateB. MaizeII. PanicleC. SafflowerIII. ArrowD. SugarcaneIV. Tassel
  • A - II, B - III, C - IV, D - I
  • A - II, B - I, C - III, D - IV
  • A - II, B - IV, C - I, D - III
  • A - IV, B - II, C - III, D - I
Which of the following are two cultivated species of cotton used for spinnable fibre?A. Gossypium hirsutumB. Gossypium raimondiiC. Gossypium barbadenseD. Gossypium thurberi
  • B and D only
  • A and B only
  • B and C only
  • A and C only
Consider a cross where some offspring in a generation have genotype ppqqrr. Which of the following genotypes can be a genotype of either of the parents?
  • PPQQRR
  • PPQqRr
  • PpQqRr
  • PpQQRr
For notification of variety, the essentially required information are—A. Identification of the candidate entry by respective coordinated project workshop.B. Evaluation of the candidate’s entry in an appropriate coordinated project.C. Release of the candidate entry by a variety release committee.D. Distribution of the candidate entry through KVKs.
  • A, B, and D only
  • A, B, and C only
  • B, C, and D only
  • B and D only
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Inbreeding depression is the reduced survival and fertility of offspring of related individuals.Reason R: Inbreeding increases heterozygosity exposing harmful recessive alleles in homozygotes.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
The test cross ratio for a trait governed by two genes with masking gene action will be—
  • 1:1:1:1
  • 2:1:1
  • 3:1
  • 1:1
Match List I with List IIList I (Process)List II (Results/Related to)A. Anther cultureI. Virus eliminationB. Asymmetric hybridII. Gamatoclonal variationC. Analytical breedingIII. Chromosome eliminationD. Actinomycin DIV. Ploidy manipulation
  • A - I, B - III, C - IV, D - II
  • A - II, B - III, C - IV, D - I
  • A - II, B - III, C - I, D - IV
  • A - II, B - IV, C - III, D - I
The steps involved in the utilization of hybrid vigor in maize include—A. Production of suitable inbred linesB. Crossing of the selected inbred in suitable combinations to produce highly productive single cross hybrids.C. Mixing different single cross hybrid seeds to produce productive double cross hybrids.D. Crossing of the single cross hybrids in suitable combinations to produce highly productive double cross hybrids.
  • A, B, and D only
  • A, B, and C only
  • B, C, and D only
  • B and D only
Which of the following constitutes 'genetic emasculation'?A. Genetic male sterilityB. Transgenic male sterilityC. Cytoplasmic-genetic male sterilityD. Chemical hybridizing agent
  • A, B and D only
  • A, B, and C only
  • B, C, and D only
  • A, C, and D only
The mating schemes that increase homozygosity in the plants are—A. Genetic assortative matingB. Genetic disassortative matingC. Phenotypic assortative matingD. Phenotypic disassortative mating
  • A, B and D only
  • A and C only
  • A and D only
  • A, C, and D only
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—A. EC-30, PMC-20, PTN-20, RTC-40B. EC-30, PMC-20, PTN-10, RTC-10C. EC-20, PMC-20, PTN-20, RTC-10D. EC-30, PMC-20, PTN-10, RTC-20
  • A, B and D only
  • A only
  • B and D only
  • D only
Choose the correct option(s):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
  • C and E only
  • A and C only
  • D and E only
  • A, B and D only
In maize, the opaque 2 mutants are found to have some of the following quality parameters. Identify—
  • High methionine and high lysine
  • High methionine and high tryptophan
  • High lysine and high tryptophan
  • High lysine and high proline
For hybridization, in which of the following crops are the florets clipped at the top to expose the anthers?
  • Barley
  • Jute
  • Sun hemp
  • Sunflower
It is said that 'a clone is immortal'. It means—
  • A clone does not die
  • A clone can't be eliminated
  • The genotype of a clone does not change over time
  • The performance of a clone does not change with time
Match List I with List IIList I (Terminology)List II (Description)A. HybridI. A variety produced by mixing the seeds of several phenotypically outstanding lines not tested for GCAB. Pure line varietyII. A variety developed by intercrossing a number of genotypes of known superior combining abilityC. Composite varietyIII. First generation cross product grown commerciallyD. Synthetic varietyIV. Progeny of a single, self-fertilized, homozygous plant
  • A - II, B - IV, C - I, D - III
  • A - III, B - IV, C - I, D - II
  • A - III, B - IV, C - II, D - I
  • A - I, B - IV, C - III, D - II
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Dioecy ensures that outbreeding will always occur.Reason R: In dioecy, male and female flowers are present on different parts of the same plant.
  • Both A and R are correct, and R is the correct explanation of A
  • Both A and R are correct, but R is NOT the correct explanation of A
  • A is correct but R is not correct
  • A is not correct but R is correct
Preceding crop requirement is an essential consideration during seed production to minimize the chances of genetic contamination through—
  • Pollen shedders
  • Volunteer plants
  • Objectionable weeds
  • Mutants
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.
  • A, B and D only
  • B, C, and D only
  • A, C, and D only
  • A, B, and C only
Arrange the following in the order of their coming into existence.A. Protection of Plant Varieties and Farmers’ Right Act (PPV&FR Act)B. Convention on Biological DiversityC. The Indian Patents ActD. International Convention of the Union for Protection of New Varieties of Plants
  • D, C, B, A
  • B, A, D, C
  • C, D, B, A
  • A, B, C, D
Bengal gram is considered as an inseparable other crop plant in the seed production field of the—
  • Green gram
  • Cowpea
  • Oat
  • Lentil
The recommended method for testing the seed germination in mustard is—
  • Sand method
  • Top of paper method
  • Between paper method
  • Wet cloth method
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Minimum germination standard (%) for the seeds of maize inbred lines is 80%.Reason R: Maize hybrid seed should have a minimum of 90% germination.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
An 'artificial seed' consists of gel enclosing one of the following components. Which one?
  • A zygotic embryo
  • An unfertilized ovule
  • A shoot bud or somatic embryo / a minute plantlet
  • Endosperm tissue
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: For moisture estimation by air oven method, fine/coarse grinding of seeds, instead of using whole seeds, is obligatory in some species.Reason R: Bigger-sized seeds fail to completely expel all the moisture from the inner tissues during drying, hence grinding becomes necessary.
  • Both A and R are true, and R is the correct explanation for A
  • Both A and R are true, but R is NOT the correct explanation for A
  • A is true but R is false
  • A is false but R is true
Flag leaf clipping in hybrid seed production in rice is a regular practice. It is done to achieve—
  • Higher seed set due to better pollination
  • Synchronization of flowering
  • Adjustment of plant height of parental lines
  • Better seed quality
For the production of certified seeds of hybrid maize, which single cross hybrid seeds will be given to the growers?
  • Breeder seed
  • Foundation seed
  • Certified seed
  • Nucleus seed
This question is dropped.
For determining the seed moisture content in the pigeon pea seeds, the seed sample is dried in an oven at a temperature and for a duration of—
  • 103°C for 7 hours
  • 103°C for 4 hors
  • 130°C for 2 hours
  • 130°C for 1 hour
Arrange the following classes of seeds in ascending order of their genetic purity percentage—A. Certified seedB. Breeder seedC. Foundation seedD. Nucleus seed
  • D, C, A, B
  • A, C, B, D
  • C, A, B, D
  • A, B, C, D
In pea, the maximum permissible size of a seed lot is—
  • 20,000 kg
  • 10,000 kg
  • 5,000 kg
  • 4,000 kg
For a crop having a maximum permissible limit for off-types 0.2%, the minimum number of plants required for conducting the GOT is—
  • 800
  • 1600
  • 2000
  • 2400
In some of the following crops, the viability of the seeds is very poor, and hence minimum germination of seeds required for certification is 70% only. The crops are—A. RiceB. Hybrid maizeC. SoybeanD. GroundnutE. Sunflower
  • A and B only
  • B and C only
  • C and D only
  • D and E only
'Normal or substandard seeds' must satisfy the following requirements to be considered as certified seeds—A. Genetic purityB. Physical purityC. Germination testD. Freedom from weeds and diseases
  • A, B, and D only
  • A, B, and C only
  • A, C, and D only
  • A, B, C, and D
In seed technology, the term 'dockage' is commonly used to describe—
  • Genetic purity of the seeds
  • Genetic impurity of the seeds
  • Physical purity of the seeds
  • Physical impurity of the seeds
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: In potato cultivation, the dehaulming is done to produce quality seed tubers.Reason R: Dehaulming in potato seed crop is done 10–15 days before harvesting of the crop.
  • Both A and R are true
  • Both A and R are false
  • A is true but R is false
  • A is false but R is true
The maximum permissible limit of husk-less seeds in sunflower is—
  • 1.0% (by wt.)
  • 2.0% (by wt.)
  • 2.0% (by no.)
  • Two per kg
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.
  • Both Statement I and Statement II are correct
  • Both Statement I and Statement II are incorrect
  • Statement I is correct, but Statement II is incorrect
  • Statement I is incorrect, but Statement II is correct
The gene-for-gene relationship between a host and its pathogen was originally proposed by H. H. Flor on the basis of work done on—
  • Leaf rust of wheat
  • Late blight of potato
  • Rust of linseed
  • Wilt of pigeon pea
Match List I with List IIList I (Character)List II (Pathogen)A. Spores/Cells with two anterior, unequal, whiplash flagellaI. MagnaportheB. Spores/Cells with one posterior whiplash flagellumII. PhytophthoraC. Spores/Cells with two flagella; one anterior and one posteriorIII. SynchytriumD. Spores/Cells without any flagellaIV. Plasmodiophora
  • A-I, B-II, C-III, D-IV
  • A-IV, B-III, C-II, D-I
  • A-II, B-I, C-III, D-IV
  • A-III, B-II, C-IV, D-I
Match List I with List IIList I (Parameter)List II (Activity)A. Germplasm conservationI. Virus infection, mutationB. Clonal degenerationII. CryoprotectantC. DMSOIII. CryotherapyD. Virus eliminationIV. Cryopreservation
  • A - IV, B - II, C - I, D - III
  • A - I, B - IV, C - II, D - III
  • A - IV, B - I, C - II, D - III
  • A - IV, B - I, C - III, D - II
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.
  • Both Statement I and Statement II are correct
  • Both Statement I and Statement II are incorrect
  • Statement I is correct, but Statement II is incorrect
  • Statement I is incorrect, but Statement II is correct
Sclerotia of Claviceps purpurea responsible for the infamous St. Anthony's Fire is believed to contain—
  • Ethyl Alcohol
  • Methyl Alcohol
  • Lysergic acid diethylamide
  • Triethylamine
Which of the following pathogen produces sporodochium?
  • Graphium
  • Epicoccum
  • Phoma
  • Fusarium
Match the followingList IList IIA. PasteurizationI. Fractional SterilizationB. TyndallizationII. Foul smell due to anaerobic decomposition of proteinsC. Radiation sterilizationIII. Extends shelf life of MilkD. IncinerationIV. Heat sensitive materialE. PutrefactionV. Inoculation loops and needles
  • A-I, B-IV, C-III, D-V, E-II
  • A-III, B-II, C-IV, D-V, E-I
  • A-III, B-I, C-IV, D-V, E-II
  • A-IV, B-II, C-III, D-V, E-I
Match List I with List IIList I (Society)List II (Journal)A. American Phytopathological SocietyI. Plant Disease ResearchB. British Society for Plant PathologyII. Molecular Plant PathologyC. German Society of Plant Protection and Plant HealthIII. Phytobiomes JournalD. Brazilian Society of Plant PathologyIV. Tropical Plant PathologyE. Indian Society of Plant PathologistsV. Journal of Plant Disease and Protection
  • A-III, B-II, C-V, D-IV, E-I
  • A-I, B-II, C-V, D-III, E-IV
  • A-II, B-I, C-V, D-III, E-IV
  • A-III, B-I, C-V, D-IV, E-II
Choose the correct option(s):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 virulent factors for bacteria.
  • B and E only
  • B only
  • A, C and D only
  • D only
Which of the following is/are a part of SARS CoV?A. Presence of EnvelopeB. Positive-sense single stranded RNAC. Spike proteinD. Tail
  • A and B only
  • A and C only
  • A, B and C only
  • A, B and D only
Choose the correct option(s):A. Necrosis manifest in the form of blotchB. Abnormal growth manifest in the form of wartsC. Necrosis manifest in the form of leaf curlD. Abnormal growth manifest in the form of anthracnoseE. Witch's broom is caused only by phytoplasma
  • A and B only
  • C and D only
  • D and E only
  • C and E only
Match List I with List IIList I (Disease)List II (Pathogen)A. Red SteleI. Phytophthora infestansB. Black PodII. Phytophthora fragariaeC. Black ShankIII. Phytophthora palmivoraD. Sudden DeathIV. Phytophthora parasiticaE. Late BlightV. Phytophthora ramorum
  • A - II, B - III, C - V, D - IV, E - I
  • A - III, B - II, C - V, D - IV, E - I
  • A - III, B - II, C - IV, D - V, E - I
  • A - II, B - III, C - IV, D - V, E - I
In which of the following disease will you find both sign and symptoms together?
  • Southern blight incited by Athelia rolfsii
  • Wilt incited by Fusarium
  • Gall incited by Agrobacterium
  • Blight incited by Xanthomonas
Sequence of pathogenesis events—A. InvasionB. DisseminationC. ReproductionD. InfectionE. InoculationF. Penetration
  • E, F, D, A, C and B
  • B, F, D, A, C and E
  • A, B, D, C, E and F
  • E, F, A, D, C and B
Match List I with List IIList I (Book)List II (Author)A. Basic Plant Pathology MethodsI. R. E. F. MatthewsB. Plant Pathology V1: The Diseased PlantII. Roger HullC. Fundamentals of Bacterial Plant PathologyIII. Masao GotoD. Plant VirologyIV. James G. HorsfallE. Fundamentals of Plant VirologyV. James B. Sinclair, Onkar Dev Dhingra
  • A-I, B-II, C-III, D-IV, E-V
  • A-V, B-IV, C-III, D-II, E-I
  • A-V, B-IV, C-III, D-I, E-II
  • A-IV, B-V, C-III, D-II, E-I
Choose the correct option(s):A. Systemic Acquired Resistance is one of the induced nonspecific resistance systems in plantsB. Induced Systemic Resistance is one of the induced specific resistance systems in plantsC. Hypersensitive Reaction is one of the induced nonspecific resistance systems in plantsD. Hypersensitive Reaction is one of the induced specific resistance systems in plantsE. Induced Systemic Resistance is one of the induced nonspecific resistance systems in plants
  • A and C only
  • B and D only
  • A, D and E only
  • C only
A bacteriophage genome integrated into the circular bacterial chromosome is known as—
  • Prophage
  • Metaphage
  • Bacphage
  • Prophase
Given below are two statements.Statement I: Most economically important plant viruses have only ssRNA as their genetic material.Statement II: Viruses with ssDNA as their genetic material cause plant disease epidemics.
  • Both Statement I and Statement II are correct
  • Both Statement I and Statement II are incorrect
  • Statement I is correct, but Statement II is incorrect
  • Statement I is incorrect, but Statement II is correct
Late blight of potato is caused by—
  • Phytophthora infestans
  • Alternaria solani
  • Erwinia carotovora
  • Pythium aphanidermatum
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Archaea are insensitive to chloramphenicol antibiotics.Reason R: Archaea do not contain peptidoglycan in the cell wall.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Match List I with List IIList I (Powdery mildew Tribe)List II (Genera)A. Tribe ErysipheaeI. BlumeriaB. Tribe PhyllactinieaeII. PodosphaeraC. Tribe GolovinomyceteaeIII. BrasiliomycesD. Tribe CystotheceaeIV. LeveillulaE. Tribe BlumeriaV. Neoerysipheae
  • A - I, B - II, C - V, D - III, E - IV
  • A - II, B - III, C - IV, D - V, E - I
  • A - III, B - IV, C - V, D - II, E - I
  • A - IV, B - II, C - V, D - III, E - I
Given below are two statements.Statement I: According to Koch’s Postulates, inoculation with disease causing microorganism must be able to produce disease symptoms in the susceptible host.Statement II: According to Koch's Postulates, the microorganism must be recoverable from the diseased host.
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true, but Statement II is false
  • Statement I is false, but Statement II is true
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Viruses are termed as obligatory intracellular parasites.Reason R: Viruses cannot reproduce independently; they can grow only inside a living cell.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Match List I with List IIList IList IIA. Polymerase Chain ReactionI. Robert KochB. PenicillinII. Kary MullisC. Bacillus anthracisIII. Edward JennerD. PasteurizationIV. Alexander FlemingE. Smallpox VaccineV. Louis Pasteur
  • A-IV, B-II, C-I, D-V, E-III
  • A-IV, B-II, C-III, D-V, E-I
  • A-II, B-IV, C-I, D-V, E-III
  • A-II, B-IV, C-III, D-V, E-I
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.
  • Both A and R are correct, and R is the correct explanation of A
  • Both A and R are correct, but R is NOT the correct explanation of A
  • A is correct but R is not correct
  • A is not correct but R is correct
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Mycoplasmas are pleomorphic in shape.Reason R: Cell wall in Mycoplasmas is flexible.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
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.
  • Both Statement I and Statement II are correct
  • Both Statement I and Statement II are incorrect
  • Statement I is correct, but Statement II is incorrect
  • Statement I is incorrect, but Statement II is correct
What was the plant virus group that triggered Tulipomania in Holland during the 17th century?
  • Luteoviridae
  • Potyviridae
  • Caulimoviridae
  • Closteroviridae
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Gene for gene interaction can be usually observed in the biotrophic pathosystem.Reason R: Biotrophs entirely dependent on their host plant to complete their life cycle.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
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.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Given below are two statements.Statement I: In Rhizobium-legume symbiosis large and pink-colored nodules are considered good for efficient nitrogen fixation.Statement II: Pink color of the nodules is due to the presence of leg-haemoglobin pigment.
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true, but Statement II is false
  • Statement I is false, but Statement II is true
Given below are two statements.Statement I: Self-replicating, circular, extrachromosomal DNA present in bacteria is known as Plasmid.Statement II: Copy number of Plasmids is fixed in a bacterial cell.
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true, but Statement II is false
  • Statement I is false, but Statement II is true
Match List I with List IIList I (Fungal Structure)List II (Genera)A. PycnidiaI. DiplodiaB. Naked HyphaeII. CladosporiumC. SynemataIII. TrichurusD. AcervuliIV. MelanconiumE. SporodochiaV. Tubercularia
  • A-I, B-II, C-III, D-IV, E-V
  • A-II, B-I, C-IV, D-V, E-III
  • A-III, B-IV, C-V, D-I, E-II
  • A-IV, B-V, C-II, D-III, E-I
Match List I with List IIList IList IIA. O antigensI. MycorrhizaeB. Techoic acidII. Gram Negative BacteriaC. PseudomeurinIII. ProtozoaD. PseudopodiaIV. ArchaeaE. ArbusculesV. Gram Positive bacteria
  • A-II, B-III, C-IV, D-I, E-V
  • A-IV, B-V, C-III, D-II, E-I
  • A-II, B-IV, C-III, D-I, E-V
  • A-II, B-V, C-IV, D-III, E-I
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Outer membrane in Gram negative bacteria is more permeable than the inner membrane.Reason R: Porin proteins are present in the outer membrane.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Given below are two statements.Statement I: Diazotrophs possess Nitrogenase enzyme that helps in biological nitrogen fixation.Statement II: Both Rhizobium and Azotobacter are symbiotic nitrogen fixers.
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true, but Statement II is false
  • Statement I is false, but Statement II is true
Which of the following crops can be inter-cropped with chickpea?A. LinseedB. WheatC. RiceD. Mustard
  • A, B and D only
  • A, C and D only
  • A, B and C only
  • B, C and D only
Statement I: Traditionally Indian soils are divided into four major groups.Statement II: The Indian land surface is predominantly covered with red soils followed by black soils.
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true, but Statement II is false
  • Statement I is false, but Statement II is true
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 RUBPC. Oxygen does not have any inhibitory effect on the process.D. RUBP carboxylase is present in the mesophyll.
  • A, B and C only
  • A, B and D only
  • B, C and D only
  • A, C and D only
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: CAM plants are present in dry and arid environments.Reason R: The CAM pathway is adapted to minimize water loss and photorespiration.
  • A and R are correct, and R is the correct explanation of A
  • Both A and R are correct, but R is NOT the correct explanation of A
  • A is correct, but R is not correct
  • A is not correct, but R is correct
Which one is incorrect with respect to transpiration in plants?
  • Flow of mineral nutrients and water through xylem
  • Diffusion of carbon dioxide from the air for photosynthesis
  • Change in osmotic pressure of cells
  • Reduction of cooling effect on the leaf surface
Match List I with List IIList I (Crop)List II (Objectionable Weeds)A. RiceI. Wild morning gloryB. LucerneII. Mexican prickly poppyC. WheatIII. Wild riceD. Rapeseed and MustardIV. Dodder
  • A - IV, B - III, C - I, D - II
  • A - II, B - IV, C - I, D - III
  • A - III, B - IV, C - II, D - I
  • A - III, B - IV, C - I, D - II
The year 2023 has been declared as ‘International Year of’
  • Cereals
  • Pulses
  • Millets
  • Oil seeds
Match List I with List IIList IList III. National Rural Livelihoods Mission (NRLM)A. Improving land productivityII. Integrated Watershed Management Programme (IWMP)B. Housing to BPL householdsIII. Pradhan Mantri Awaas Yojana - Grameen (PMAY-G)C. Providing wage employmentIV. Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA)D. Self-employment and skill development
  • I-A, II-D, III-C, IV-B
  • I-B, II-A, III-D, IV-C
  • I-D, II-A, III-B, IV-C
  • I-B, II-D, III-C, IV-A
Match the Indian Agricultural Revolutions with the related commoditiesList IList IIA. Blue revolutionI. MilkB. White revolutionII. Egg/PoultryC. Yellow revolutionIII. Food GrainsD. Green revolutionIV. Oil SeedsE. Silver revolutionV. Fisheries
  • A-II, B-I, C-IV, D-III, E-V
  • A-V, B-I, C-IV, D-III, E-II
  • A-II, B-V, C-IV, D-III, E-I
  • A-V, B-II, C-IV, D-III, E-I
Match List I with List IIList I (Compound)List II (Target/Related insect-pests)A. Benzyl alcoholI. Brown plant hopperB. Silica contentII. Green bugsC. Asparagine contentIII. Cabbage aphidD. Sinigrin contentIV. Rice stem borer
  • A - II, B - I, C - IV, D - III
  • A - IV, B - II, C - I, D - III
  • A - II, B - IV, C - I, D - III
  • A - II, B - IV, C - III, D - I
The onion we consume is a—
  • Tuber
  • Corm
  • Bulb
  • Rhizome
Arrange in descending order the following soil types of India according to their area of predominance:A. Alluvial soilsB. Red soilsC. Laterite soilsD. Black soils
  • C, A, B, D
  • A, C, B, D
  • D, B, C, A
  • A, B, D, C
This question by ICAR had incorrect options, soth
Potato belongs to the family—
  • Compositae
  • Leguminosae
  • Euphorbiaceae
  • Solanaceae
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: India is the largest producer of potato in the world.Reason R: The states Uttar Pradesh, West Bengal and Punjab account for majority of potato production in India.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: ICAR-Indian Institute of Sugarcane Research is located at Coimbatore.Reason R: ICAR-National Bureau of Plant Genetic Resources is located in New Delhi.
  • Both A and R are true, and R is the correct explanation of A
  • Both A and R are true, but R is NOT the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Given below are two statements, one is labeled as Assertion A and the other is labeled as Reason R.Assertion A: Indian Council of Agricultural Research (ICAR) is an autonomous body under the Ministry of Agriculture and Farmers' Welfare, GOI.Reason R: The Director General, ICAR is the President of the ICAR Society.
  • Both A and R are true
  • Both A and R are false
  • A is true but R is false
  • A is false but R is true
Prime Minister of India released 35 varieties of different crops in September 2021, which were developed by various institutes under the Indian Council of Agricultural Research, State & Central Agricultural Universities and Krishi Vigyan Kendras. The main aim was to create mass awareness for the adoption of climate resilient technologies. The list of these 35 varieties includes the following crops:
  • Pigeon pea and Chickpea
  • Sunflower and safflower
  • Brinjal and tomato
  • Black gram and green gram
Ukraine-Russia war has majorly impacted the price of which crop globally?
  • Rice
  • Wheat
  • Cotton
  • Pearl millet
Match the List I with List IIList I (Physical/biochemical traits of crop)List II (Insect pests)A. Hairy leavesI. Cabbage aphidB. Saposin contentII. JassidsC. Sinigrin contentIII. Stem sawflyD. Solid stemIV. Spotted alfalfa aphid
  • A - II, B - IV, C - III, D - I
  • A - II, B - IV, C - I, D - III
  • A - III, B - IV, C - I, D - II
  • A - IV, B - II, C - I, D - III
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: University Education Commission (1948-49) recommended the establishment of Rural Universities in India.Reason R: In 1960, the 1st Agricultural University was established in India in the pattern of the Land-Grant Universities of the USA.
  • Both A and R are true
  • Both A and R are false
  • A is true but R is false
  • A is false but R is true
Match List I with List IIList I (Phytochemical)List II (Plant species)A. BOAAI. Brassica speciesB. Erucic acidII. Flax or LinseedC. GossypolIII. LathyrusD. Linolenic acidIV. Cotton
  • A - II, B - I, C - IV, D - III
  • A - I, B - III, C - IV, D - II
  • A - III, B - I, C - II, D - IV
  • A - III, B - I, C - IV, D - II
Which of the following Geographical Indication is not matched correctly?
  • Kandhamal Haladi – Odisha
  • Kala Zeera – Jammu & Kashmir
  • Darjeeling Tea – West Bengal
  • Tezpur Litchi – Assam
Match the followingList IList IIA. Central Island Agricultural Research InstituteI. Ludhiana, PunjabB. Central Research Institute for Dryland AgricultureII. Baramati, MaharashtraC. Central Institute of Post-Harvest Engineering and TechnologyIII. Port Blair, Andaman & NicobarD. National Institute of Abiotic Stress ManagementIV. Indore, Madhya PradeshE. Indian Institute of Soybean ResearchV. Hyderabad, Telangana
  • A-III, B-V, C-I, D-II, E-IV
  • A-II, B-IV, C-I, D-III, E-IV
  • A-III, B-V, C-IV, D-II, E-I
  • A-III, B-IV, C-II, D-I, E-V