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Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV),
Jabalpur (MP)
Question Paper : MSc Ag Genetics and Plant Breeding
Krashi Coaching
Agriculture
by Satyam Sharma
3rd July
2023
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Number of possible genotypes if the gene controlling the
trait has “n” different alleles
1. n(n-1)
2. 3n
3. n(n+1)/2
4. 2n
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How many hybrids are evaluated in case of half diallel of 9
parents
1. 9
2. 36
3. 72
4. 45
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Which of the following is labeled to detect chain
termination in case of Sanger sequencing
1. Ribose
2. Deoxy ribose
3. Dideoxy ribose
4. Primer
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Doubled haploids are produced by ___________ method
1. Pedigree
2. Backcross
3. SSD
4. Androgenesis
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TARGET
BATCH-25
SRF
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Check the credibility of the statements below.
I: Random mating among genotypes AA, Aa and aa having the
frequencies of p2, 2pq and q2 respectively, yields the same three
genotypes in the same frequencies
II: This is because of the absence of migration, mutation,
selection and random drift in them
1. Both I and II are wrong
2. I is correct but II is wrong
3. Both I and II are correct
4. I is wrong but II is correct
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If total 18 plants are selected from F2 generation in case of
NCD-III, total progenies produced are
1. 18
2. 36
3. 54
4. 72
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Existence of jumping genes in plants was first
demonstrated by the Nobel laureate
1. Norman E Borlaug
2. Barbara Mc Clinctok
3. James Watson & Francis Crick
4. Rosalind Franklin
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Minimum _________ number of backcrosses are required for
transfer of genome of recurrent
parent in marker assisted backcrossing
1. 3
2. 6
3. 12
4. 24
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Which of the following is suitable for combining ability
analysis
1. Generation mean
2. L x T
3. Triple test cross
4. Stability analysis
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ELIGIBILITY CRITERIA
Age Limit-Indian Nationals of at least 20 years of age as on 31.08.2023 are eligible to apply for
the examination.
No relaxation is permissible regarding the minimum age limit.
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Which of the following design provides idea about epistasis
1. L x T
2. NCD-II
3. Triple test cross
4. Stability analysis
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Find the odd one among the characteristics of miRNA
1. Its length is about 21-24 nucleotides
2. Its biogenesis demands Dicer enzymes
3. Activates gene knockdown by activating RISC
4. It is of exogenous in origin
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Codominant markers are effective as compared to
dominant marker in
1. RILs
2. DH
3. AILs
4. F2 generation
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SSD is used for production of inbred lines in
_____________ mapping population
1. NILs
2. DH
3. RILs
4. Back cross
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The sites of cytosine methylation can be determined by
1. Sanger Sequencing
2. Bisulfite Sequencing
3. ABi SOLiD Sequencing
4. 454 Pyro sequencing
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Which of the following markers are considered best for
detection of genome wide polymorphisms
1. SSR
2. SNP
3. RFLP
4. RAPD
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Code 01: MAJOR SUBJECT GROUP
1.Plant
Breeding &
Genetics
2. Economic
botany
4. Seed
Science &
Technology
5. Plant
Genetic
Resources
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The study that involves cataloguing of all the species of
RNA expressed in a tissue/organ, their expression patterns
1. Genomics
2. Metabolomics
3. Transcriptomics
4. Proteomics
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Significance of QTL is judged on the basis of
1. LOD value
2. R2 value
3. PVE
4. Chisquare value
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Observe the statements and pick out the appropriate option.
I: Chromosomes that have similar morphology and identical gene
content are known as non-homologous chromosomes
II: In general, the determination of chromosome size is carried
out at prophase of cell division
1. Both I and II are correct
2. Both I and II are incorrect
3. I is correct and II is incorrect
4. I is incorrect and II is correct
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When mean square due to G x E interaction is significant, true
denominator for F-test of genotypic mean square is mean square
due to
1. Environment
2. G x E interaction
3. Pooled error
4. Pooled deviations
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Heritability of highly heterozygous but genetically identical
clonal population is
1. 0
2. 0.5
3. 0.75
4. 1
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Highly condensed and less condensed regions of
chromonema during interphase are
1. Both are Euchromatin regions
2. Euchromatin and Heterochromatin, respectively
3. Heterochromatin and Euchromatin, respectively
4. In interphase, there will be no differential region of condensation
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Significance of ___ scaling test indicates presence of
dominance x dominance type of gene action
1. A
2. B
3. C
4. D
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Cohesins play a role in linking together sister chromatids.
Heterodimer of SMC found in cohesins are composed of
1. SMC1 and SMC2
2. SMC2 and SMC4
3. SMC1 and SMC3
4. SMC1 and SMC4
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Triticale, a commercial allopolyploid crop combines the
1. Yielding ability of rye and seed shape of wheat
2. Hardiness of wheat and disease resistance of wheat
3. Yielding ability of both rye and wheat
4. Hardiness of rye and yielding ability of wheat
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Identify the technique that is helpful for the assessment of
phylogenetic relationship among different species of plants.
1. Genomic in situ hybridization (GISH)
2. Fluorescence in situ hybridization (FISH)
3. Giemsa banding (G-banding)
4. All the above
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♻TARGET BATCH 25♻
1. live
classes
2.
recorded
lectures
3. Well
structured
Course
4. 30
Mock
Tests
5. Doubt
clearing
sessions
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The polyploid which carries two or more copies of two or more
genomes, but there exist a partial homology between some
chromosomes of one genome with those of other genomes. Such
polyploids are known as
1. Auto allopolyploid
2. Genome allopolyploid
3. Segmental allopolyploid
4. Amphidiploid
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When number of generations are equal to number of
parameters to be estimated, _________ is not possible
1. F-test
2. T-test
3. χ2 test
4. Scaling test
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Triallel analysis is carried out utilizing _________ crosses
1. Two-way
2. Three-way
3. Four-way
4. Eight-way
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Which of the following stability model deals with independent
estimation of environmental effect and genotypic means
1. Finlay-Wilkinson
2. Eberhart and Russell
3. Freeman and Perkins
4. Perkins and Jinks
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The recombination events are minimum in _________
mapping population
1. RILs
2. DH
3. MAGIC
4. AIL
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According to the U’s triangle, the cross between Brassica
oleraceae (n=9) and Brassica campestris(n=10) yield
1. Brassica napus (2n=38)
2. Brassica juncea (2n=38)
3. Brassica carinata (2n=38)
4. Brassica nigra (2n=38)
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Which of the following is codominant marker
1. SSR
2. RAPD
3. ISSR
4. AFLP
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Mosaic resistance N. tabacum (2n=48) line had 23 pairs of N.
tabacum chromosomes and one pair of N. glutinosa chromosome.
Such kind of lines are termed as
1. Alien addition line
2. Bridge line
3. Alien substitution line
4. None of the above
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Registration process for
SRF Target Batch-25
• Pay Rs-6000 through phone pay, Paytm, or
G-pay on 8120072848.
• For payment verification send a screenshot
• With the screenshot, mention your name,
email ID, and university name.
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“Cell is the structural unit of all living organisms and all living
cells exhibit structural and functional similarities” is a famous
theory put forth by
1. Robertson
2. Schleiden and Schwann
3. Singer and Nicholson
4. Daveson and Danelli
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The F0-F1 ATP synthase complex can be found in
1. Outer membrane of mitochondria
2. Inner membrane of chloroplast
3. Outer membrane of Nucleus
4. Inner membrane of mitochondria
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___________ end of the primer is crucial during PCR
amplification
1. 1’
2. 2’
3. 3’
4. 4
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Observe the statements given and choose the appropriate option.
I. During mitosis, phosphorylation of nuclear lamina proteins
results in breakdown of nuclear envelope.
II. Dephosphorylation of lamina proteins at telophase permits
reassembly of nuclear envelope.
1. Both I and II are true
2. Both I and II are false
3. I is true but II is false
4. I is false but II is true
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Annealing temperature is decided on the basis of ________
temperature
1. Minimum
2. Maximum
3. Melting
4. Ambient
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_________ marker technique is based on southern
hybridization
1. SSR
2. RAPD
3. RFLP
4. AFLP
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Which among the following options is true for the
experiment conducted by Hershey and Chase in 1952?
1. T2 DNA and proteins were labelled with 32P and 35S, respectively
and obtained 35S labelled progeny phage
2. T2 DNA and proteins were labelled with 35S and 32P, respectively
and obtained 32P labelled progeny phage
3. T2 DNA and proteins were labelled with 32P and 35S, respectively
and obtained 32P labelled progeny phage
4. T2 DNA and proteins were labelled with 32P and 32S, respectively
and obtained 32S labelled progeny phage
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The double helix of the DNA molecule is stabilized by
1. Dipole-dipole interaction
2. Phosphodiester bond
3. Hydrophobic forces
4. Hydrogen bond
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In case of AMMI model, if the genotype or an environment has a
PCA score of zero, it will have ____________ interaction effects
1. Small
2. Large
3. Zero
4. None of these
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A genotype having _____mean and _______ PCA score is
considered better in case of AMMI model
1. Low, Zero
2. High, Zero
3. Low, High
4. High, High
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Change in the gene frequency due to sampling error is
known as
1. Migration
2. Mutation
3. Selection
4. Genetic drift
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The sum of the average effects of alleles present in a
specific genotype at all loci is known as
1. Dominance deviation
2. Breeding value
3. Epistatic deviation
4. Prepotency
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Wobble hypothesis explaining the ability of the anticodon of
tRNA to basepair with more than one codon of mRNA was
proposed by
1. Crick in 1966
2. Watson in 1966
3. Nirenberg in 1966
4. Khorona in 1966
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Which of the following approach proposed by Griffing is
popular as half diallel
1. Method 1
2. Method 2
3. Method 3
4. Method 4
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Sum total of all the gca effects estimated for a particular
trait in diallel analysis is
1. Zero
2. One
3. Two
4. Three
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Taq DNA polymerase is isolated from
1. Bacteria
2. Fungi
3. Algae
4. Virus
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GC content of the primer should be _________ %
1. 10
2. 50
3. 80
4. 100
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Denaturation step of PCR is carried out at ______ °C
temperature
1. 55
2. 72
3. 94
4. 10
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Which of the following model is followed when back cross
generations are not available but F3 generation is available in
case of generation mean analysis
1. 3 parameter
2. 6 parametr
3. 5 parameteer
4. 10 parameter
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Information regarding probe is required in case of
________ marker technique
1. RAPD
2. SSR
3. RFLP
4. AFLP
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In prokaryotic translation, the elongation factor
responsible for translocation is
1. EF - Tu
2. EF - Ts
3. EF - G
4. None of the above
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When mean square due to reciprocal effect is significant in
case of full diallel, it indicates
1. Additive gene action
2. Non-additive gene action
3. Cytoplasmic effect
4. Epistasis
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Which of the following population is used for combined LD
and Linkage mapping
1. DH
2. NIL
3. NAM
4. Back cross
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Specific combining ability can not be estimated in case of
1. Diallel
2. L x T
3. Partial diallel
4. Full diallel
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The process of transfer of DNA into the bacterial cells with the
help of viral particles called bacteriophages is commonly
pronounced as
1. Transduction
2. Conjugation
3. Transformation
4. Integration
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Which among the following is the in vivo detection method
of protein-protein interaction?
1. Co-immunoprecipitation
2. X-ray crystallography
3. Yeast 2 hybrid (Y2H)
4. Protein microarrays
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Multiple parents are utilized for development of
__________mapping population
1. AIL
2. NAM
3. RIL
4. NIL
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The best method to advance the maximum number of genotypes
into next generation against the natural selection is
1. SSD
2. Pedigree
3. Bulk
4. Backcross
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Which among the followings are requirement for Marker-
assisted Backcross Breeding
1. High heritability
2. Flanking markers
3. Marker tightly linked with target gene
4. All above
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Which breeding method is used to incorporate a novel transgenic
event from an inferior plant type to a popular well adapted
variety
1. SSD
2. Diallel selective mating
3. Mutation breeding
4. Backcross
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Near Isogenic Lines are produced by ___________ method
1. Pedigree
2. Backcross
3. SSD
4. Bulk
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Net charge of DNA is negative due to
1. Ribose sugar
2. Phosphorous
3. Nitrogen base
4. Deoxy Ribose
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Which of the following is fixable effects
1. Epistatic
2. Dominance
3. Additive
4. Environmental
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Heritability of the F1 population obtained from two
homozygous parents is
1. 1
2. 0.5
3. 0
4. 0.25
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Genetic variations among clones arise due to
1. Occasional sexual reproduction
2. Mechanical mixture
3. Bud mutations
4. All above
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Mechanism of crop plants causing adverse effect on
insect/pest feeding, growth and reproduction
1. Antibiosis
2. Avoidance
3. Antixenosis
4. Genetic resistance
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When sexual reproduction occurs along with apomixis is
known as
1. Obligate apomixis
2. 2. Recurrent apomixis
3. 3. Facultative apomixis
4. 4. Adventive embryony
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Origin of tetraploid species of Brassica was explained by
1. Karpenchenko
2. Sears
3. Nagaharu
4. East
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• An exposure for new
place/institute/culture etc
• Good professional &
academic networks
• SRF holders will get
sufficient fellowship
• Avoid inbreeding
• An advantage during
the recruitments
Advanced research
facilities
Proper guidance and
ASRB
BENEFITS OF SRF EXAM
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Which of the following condition represents stable
genotype according
1. b = 0, S2d = 0
2. b = 1, S2d = 0
3. b = 1, S2d = 1
4. b = 0, S2d = 1
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In immune reaction, rate of reproduction of pathogen is
1. r < 0
2. r > 0
3. r = 1
4. r = 0
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Carbohydrate ‘mannitol’ at 120g/lit is suitable for cultural
requirements in embryo culture at which stage of embryo?
1. Pro embryo stage
2. Globular stage
3. Heart shaped embryo stage
4. Torpedo shaped embryo stage
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Complementary gene interaction shows ________ ratio in
F2 generation
1. 13 : 3
2. 15 : 1
3. 9 : 7
4. 2 : 1
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Assertion (A): Somatic embryo is easily separated from callus or
explant Reason (R):Somatic embryos are bipolar and radicular
end is cutinized
1. A &R are correct
2. A &R are incorrect
3. A only correct
4. R only correct
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Most rapid and expensive transformation method of DNA
delivery which is similar to micro injection is
1. Electroporation
2. Macro injection method
3. Microprojectile
4. Fiber mediated
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Which are Endospermic dicots?
1. Castor
2. Fenugreek
3. A&B
4. None
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
JNKVV University Jabalpur
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Alkali fermentation (Wet method of seed extraction) is
done in
1. Tomato
2. Cucumber
3. A&B
4. Brinjal
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
__________ cross is useful to determine types of the
gametes produced by F1 individual
1. Back cross
2. Test cross
3. Reciprocal cross
4. Criss cross
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Minimum No. of field counts to be taken up to 5 acres in
seed certification
1. 6
2. 5
3. 7
4. 4
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
_________ is an irreversible chromosomal aberration
1. Deletion
2. Duplication
3. Inversion
4. Translocation
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
What is the Pure live seed (PLS) of seed lot having 98%
purity and 90% germination
1. 86.2
2. 88.2
3. 88
4. 87.2
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Separation of seeds based on shape and rolling ability
1. Draper mill
2. Spiral separator
3. Indent cylinder
4. Specific gravity separator
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Direction of transcription is from
1. 5’to 5’
2. 5’ to 3’
3. 3’ to 5’
4. 3’ to 3’
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
How many kinds of gametes are produced by AaBbCCDd
genotype
1. One
2. Two
3. Four
4. Eight
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Law in relation to gene and genotypic frequencies in large
random mating populations was given by
1. Mather
2. Jinks - Hayman
3. Jinks - Jones
4. Hardy - Weinberg
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Transgressive segregants are those which fall outside the
limits of
1. Female parent
2. Both parent
3. Male parent
4. Mid parent
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Crossing over occurs in
1. Leptotene
2. Zygotene
3. Pachytene
4. Diplotene
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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Naturally, variability is maintained by
1. Recombination
2. Spontaneous mutations
3. Out crossing
4. All above
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Which of the following involves gain or loss of chromosome
1. Aneuploid
2. Autopolyploid
3. Allopolyploid
4. Euploid
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
specific combining ability (SCA) in Line x Tester Analysis
represents
1. The average performance of lines across all crosses
2. The specific performance of an individual in a particular cross
3. The interaction effects between lines and testers
4. Effects of gene mutations in the lines
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Which of the following design is similar to line x tester
mating design
1. NCD I
2. NCD II
3. NCD III
4. GMA
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
What factors influence the success of genetic advance
under selection
1. Selection intensity
2. High heritability
3. Genetic variability
4. All above
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
GCA variance has positive association with
1. Narrow sense heritability
2. Broad sense heritability
3. Hybrid vigour
4. Adaptability
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Triple test cross analysis provides information about
1. Additive variance
2. Dominance variance
3. Presence or absence of epistasis
4. All above
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Harshey and Chase labeled protein with isotopes of _____
to distinguish it from DNA
1. Hydrogen
2. Phosphorous
3. Sulphur
4. Radium
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
In Vr-Wr graph, parents with more dominant gene occupy
position
1. Far away from origin
2. In middle
3. Below origin
4. Near origin
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Kafir-60 is an important source of male sterility in
1. Maize
2. Wheat
3. Sorghum
4. Pearl millet
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Rate of recombination for the genes located in the vicinity
of centromere will be
1. Complete
2. Relatively higher
3. Relatively lower
4. Zero
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM
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MSc Ag Genetics & Plant Breeding: Insights from Previous Year JNKVV Entrance Exam Papers Ph.D. JNKVV by Satyam Sharma .pptx

  • 1. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV), Jabalpur (MP) Question Paper : MSc Ag Genetics and Plant Breeding Krashi Coaching Agriculture by Satyam Sharma 3rd July 2023
  • 2. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
  • 3. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Number of possible genotypes if the gene controlling the trait has “n” different alleles 1. n(n-1) 2. 3n 3. n(n+1)/2 4. 2n
  • 4. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram How many hybrids are evaluated in case of half diallel of 9 parents 1. 9 2. 36 3. 72 4. 45
  • 5. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following is labeled to detect chain termination in case of Sanger sequencing 1. Ribose 2. Deoxy ribose 3. Dideoxy ribose 4. Primer
  • 6. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Doubled haploids are produced by ___________ method 1. Pedigree 2. Backcross 3. SSD 4. Androgenesis
  • 7. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram TARGET BATCH-25 SRF
  • 8. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Check the credibility of the statements below. I: Random mating among genotypes AA, Aa and aa having the frequencies of p2, 2pq and q2 respectively, yields the same three genotypes in the same frequencies II: This is because of the absence of migration, mutation, selection and random drift in them 1. Both I and II are wrong 2. I is correct but II is wrong 3. Both I and II are correct 4. I is wrong but II is correct
  • 9. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram If total 18 plants are selected from F2 generation in case of NCD-III, total progenies produced are 1. 18 2. 36 3. 54 4. 72
  • 10. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Existence of jumping genes in plants was first demonstrated by the Nobel laureate 1. Norman E Borlaug 2. Barbara Mc Clinctok 3. James Watson & Francis Crick 4. Rosalind Franklin
  • 11. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Minimum _________ number of backcrosses are required for transfer of genome of recurrent parent in marker assisted backcrossing 1. 3 2. 6 3. 12 4. 24
  • 12. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following is suitable for combining ability analysis 1. Generation mean 2. L x T 3. Triple test cross 4. Stability analysis
  • 13. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram ELIGIBILITY CRITERIA Age Limit-Indian Nationals of at least 20 years of age as on 31.08.2023 are eligible to apply for the examination. No relaxation is permissible regarding the minimum age limit.
  • 14. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following design provides idea about epistasis 1. L x T 2. NCD-II 3. Triple test cross 4. Stability analysis
  • 15. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Find the odd one among the characteristics of miRNA 1. Its length is about 21-24 nucleotides 2. Its biogenesis demands Dicer enzymes 3. Activates gene knockdown by activating RISC 4. It is of exogenous in origin
  • 16. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Codominant markers are effective as compared to dominant marker in 1. RILs 2. DH 3. AILs 4. F2 generation
  • 17. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram SSD is used for production of inbred lines in _____________ mapping population 1. NILs 2. DH 3. RILs 4. Back cross
  • 18. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The sites of cytosine methylation can be determined by 1. Sanger Sequencing 2. Bisulfite Sequencing 3. ABi SOLiD Sequencing 4. 454 Pyro sequencing
  • 19. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following markers are considered best for detection of genome wide polymorphisms 1. SSR 2. SNP 3. RFLP 4. RAPD
  • 20. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Code 01: MAJOR SUBJECT GROUP 1.Plant Breeding & Genetics 2. Economic botany 4. Seed Science & Technology 5. Plant Genetic Resources
  • 21. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The study that involves cataloguing of all the species of RNA expressed in a tissue/organ, their expression patterns 1. Genomics 2. Metabolomics 3. Transcriptomics 4. Proteomics
  • 22. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Significance of QTL is judged on the basis of 1. LOD value 2. R2 value 3. PVE 4. Chisquare value
  • 23. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Observe the statements and pick out the appropriate option. I: Chromosomes that have similar morphology and identical gene content are known as non-homologous chromosomes II: In general, the determination of chromosome size is carried out at prophase of cell division 1. Both I and II are correct 2. Both I and II are incorrect 3. I is correct and II is incorrect 4. I is incorrect and II is correct
  • 24. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram When mean square due to G x E interaction is significant, true denominator for F-test of genotypic mean square is mean square due to 1. Environment 2. G x E interaction 3. Pooled error 4. Pooled deviations
  • 25. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Heritability of highly heterozygous but genetically identical clonal population is 1. 0 2. 0.5 3. 0.75 4. 1
  • 26. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Highly condensed and less condensed regions of chromonema during interphase are 1. Both are Euchromatin regions 2. Euchromatin and Heterochromatin, respectively 3. Heterochromatin and Euchromatin, respectively 4. In interphase, there will be no differential region of condensation
  • 27. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Significance of ___ scaling test indicates presence of dominance x dominance type of gene action 1. A 2. B 3. C 4. D
  • 28. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Cohesins play a role in linking together sister chromatids. Heterodimer of SMC found in cohesins are composed of 1. SMC1 and SMC2 2. SMC2 and SMC4 3. SMC1 and SMC3 4. SMC1 and SMC4
  • 29. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Triticale, a commercial allopolyploid crop combines the 1. Yielding ability of rye and seed shape of wheat 2. Hardiness of wheat and disease resistance of wheat 3. Yielding ability of both rye and wheat 4. Hardiness of rye and yielding ability of wheat
  • 30. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Identify the technique that is helpful for the assessment of phylogenetic relationship among different species of plants. 1. Genomic in situ hybridization (GISH) 2. Fluorescence in situ hybridization (FISH) 3. Giemsa banding (G-banding) 4. All the above
  • 31. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram ♻TARGET BATCH 25♻ 1. live classes 2. recorded lectures 3. Well structured Course 4. 30 Mock Tests 5. Doubt clearing sessions
  • 32. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The polyploid which carries two or more copies of two or more genomes, but there exist a partial homology between some chromosomes of one genome with those of other genomes. Such polyploids are known as 1. Auto allopolyploid 2. Genome allopolyploid 3. Segmental allopolyploid 4. Amphidiploid
  • 33. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram When number of generations are equal to number of parameters to be estimated, _________ is not possible 1. F-test 2. T-test 3. χ2 test 4. Scaling test
  • 34. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Triallel analysis is carried out utilizing _________ crosses 1. Two-way 2. Three-way 3. Four-way 4. Eight-way
  • 35. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following stability model deals with independent estimation of environmental effect and genotypic means 1. Finlay-Wilkinson 2. Eberhart and Russell 3. Freeman and Perkins 4. Perkins and Jinks
  • 36. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The recombination events are minimum in _________ mapping population 1. RILs 2. DH 3. MAGIC 4. AIL
  • 37. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram According to the U’s triangle, the cross between Brassica oleraceae (n=9) and Brassica campestris(n=10) yield 1. Brassica napus (2n=38) 2. Brassica juncea (2n=38) 3. Brassica carinata (2n=38) 4. Brassica nigra (2n=38)
  • 38. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following is codominant marker 1. SSR 2. RAPD 3. ISSR 4. AFLP
  • 39. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Mosaic resistance N. tabacum (2n=48) line had 23 pairs of N. tabacum chromosomes and one pair of N. glutinosa chromosome. Such kind of lines are termed as 1. Alien addition line 2. Bridge line 3. Alien substitution line 4. None of the above
  • 40. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Registration process for SRF Target Batch-25 • Pay Rs-6000 through phone pay, Paytm, or G-pay on 8120072848. • For payment verification send a screenshot • With the screenshot, mention your name, email ID, and university name.
  • 41. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram “Cell is the structural unit of all living organisms and all living cells exhibit structural and functional similarities” is a famous theory put forth by 1. Robertson 2. Schleiden and Schwann 3. Singer and Nicholson 4. Daveson and Danelli
  • 42. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The F0-F1 ATP synthase complex can be found in 1. Outer membrane of mitochondria 2. Inner membrane of chloroplast 3. Outer membrane of Nucleus 4. Inner membrane of mitochondria
  • 43. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram ___________ end of the primer is crucial during PCR amplification 1. 1’ 2. 2’ 3. 3’ 4. 4
  • 44. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Observe the statements given and choose the appropriate option. I. During mitosis, phosphorylation of nuclear lamina proteins results in breakdown of nuclear envelope. II. Dephosphorylation of lamina proteins at telophase permits reassembly of nuclear envelope. 1. Both I and II are true 2. Both I and II are false 3. I is true but II is false 4. I is false but II is true
  • 45. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Annealing temperature is decided on the basis of ________ temperature 1. Minimum 2. Maximum 3. Melting 4. Ambient
  • 46. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram _________ marker technique is based on southern hybridization 1. SSR 2. RAPD 3. RFLP 4. AFLP
  • 47. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which among the following options is true for the experiment conducted by Hershey and Chase in 1952? 1. T2 DNA and proteins were labelled with 32P and 35S, respectively and obtained 35S labelled progeny phage 2. T2 DNA and proteins were labelled with 35S and 32P, respectively and obtained 32P labelled progeny phage 3. T2 DNA and proteins were labelled with 32P and 35S, respectively and obtained 32P labelled progeny phage 4. T2 DNA and proteins were labelled with 32P and 32S, respectively and obtained 32S labelled progeny phage
  • 48. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The double helix of the DNA molecule is stabilized by 1. Dipole-dipole interaction 2. Phosphodiester bond 3. Hydrophobic forces 4. Hydrogen bond
  • 49. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram In case of AMMI model, if the genotype or an environment has a PCA score of zero, it will have ____________ interaction effects 1. Small 2. Large 3. Zero 4. None of these
  • 50. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram A genotype having _____mean and _______ PCA score is considered better in case of AMMI model 1. Low, Zero 2. High, Zero 3. Low, High 4. High, High
  • 51. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Change in the gene frequency due to sampling error is known as 1. Migration 2. Mutation 3. Selection 4. Genetic drift
  • 52. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The sum of the average effects of alleles present in a specific genotype at all loci is known as 1. Dominance deviation 2. Breeding value 3. Epistatic deviation 4. Prepotency
  • 53. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Wobble hypothesis explaining the ability of the anticodon of tRNA to basepair with more than one codon of mRNA was proposed by 1. Crick in 1966 2. Watson in 1966 3. Nirenberg in 1966 4. Khorona in 1966
  • 54. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following approach proposed by Griffing is popular as half diallel 1. Method 1 2. Method 2 3. Method 3 4. Method 4
  • 55. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Sum total of all the gca effects estimated for a particular trait in diallel analysis is 1. Zero 2. One 3. Two 4. Three
  • 56. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Taq DNA polymerase is isolated from 1. Bacteria 2. Fungi 3. Algae 4. Virus
  • 57. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram GC content of the primer should be _________ % 1. 10 2. 50 3. 80 4. 100
  • 58. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
  • 59. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Denaturation step of PCR is carried out at ______ °C temperature 1. 55 2. 72 3. 94 4. 10
  • 60. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following model is followed when back cross generations are not available but F3 generation is available in case of generation mean analysis 1. 3 parameter 2. 6 parametr 3. 5 parameteer 4. 10 parameter
  • 61. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Information regarding probe is required in case of ________ marker technique 1. RAPD 2. SSR 3. RFLP 4. AFLP
  • 62. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram In prokaryotic translation, the elongation factor responsible for translocation is 1. EF - Tu 2. EF - Ts 3. EF - G 4. None of the above
  • 63. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram When mean square due to reciprocal effect is significant in case of full diallel, it indicates 1. Additive gene action 2. Non-additive gene action 3. Cytoplasmic effect 4. Epistasis
  • 64. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following population is used for combined LD and Linkage mapping 1. DH 2. NIL 3. NAM 4. Back cross
  • 65. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Specific combining ability can not be estimated in case of 1. Diallel 2. L x T 3. Partial diallel 4. Full diallel
  • 66. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The process of transfer of DNA into the bacterial cells with the help of viral particles called bacteriophages is commonly pronounced as 1. Transduction 2. Conjugation 3. Transformation 4. Integration
  • 67. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which among the following is the in vivo detection method of protein-protein interaction? 1. Co-immunoprecipitation 2. X-ray crystallography 3. Yeast 2 hybrid (Y2H) 4. Protein microarrays
  • 68. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Multiple parents are utilized for development of __________mapping population 1. AIL 2. NAM 3. RIL 4. NIL
  • 69. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram The best method to advance the maximum number of genotypes into next generation against the natural selection is 1. SSD 2. Pedigree 3. Bulk 4. Backcross
  • 70. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which among the followings are requirement for Marker- assisted Backcross Breeding 1. High heritability 2. Flanking markers 3. Marker tightly linked with target gene 4. All above
  • 71. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which breeding method is used to incorporate a novel transgenic event from an inferior plant type to a popular well adapted variety 1. SSD 2. Diallel selective mating 3. Mutation breeding 4. Backcross
  • 72. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Near Isogenic Lines are produced by ___________ method 1. Pedigree 2. Backcross 3. SSD 4. Bulk
  • 73. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Net charge of DNA is negative due to 1. Ribose sugar 2. Phosphorous 3. Nitrogen base 4. Deoxy Ribose
  • 74. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following is fixable effects 1. Epistatic 2. Dominance 3. Additive 4. Environmental
  • 75. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Heritability of the F1 population obtained from two homozygous parents is 1. 1 2. 0.5 3. 0 4. 0.25
  • 76. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Genetic variations among clones arise due to 1. Occasional sexual reproduction 2. Mechanical mixture 3. Bud mutations 4. All above
  • 77. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Mechanism of crop plants causing adverse effect on insect/pest feeding, growth and reproduction 1. Antibiosis 2. Avoidance 3. Antixenosis 4. Genetic resistance
  • 78. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram When sexual reproduction occurs along with apomixis is known as 1. Obligate apomixis 2. 2. Recurrent apomixis 3. 3. Facultative apomixis 4. 4. Adventive embryony
  • 79. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Origin of tetraploid species of Brassica was explained by 1. Karpenchenko 2. Sears 3. Nagaharu 4. East
  • 80. Krashi- Target Batch for SRF, ASRB NET, STO, & SMS Subscribe Krashi YouTube channel Join Krashi Telegram group Follow Krashi_iari on Instagram • An exposure for new place/institute/culture etc • Good professional & academic networks • SRF holders will get sufficient fellowship • Avoid inbreeding • An advantage during the recruitments Advanced research facilities Proper guidance and ASRB BENEFITS OF SRF EXAM
  • 81. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following condition represents stable genotype according 1. b = 0, S2d = 0 2. b = 1, S2d = 0 3. b = 1, S2d = 1 4. b = 0, S2d = 1
  • 82. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram In immune reaction, rate of reproduction of pathogen is 1. r < 0 2. r > 0 3. r = 1 4. r = 0
  • 83. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Carbohydrate ‘mannitol’ at 120g/lit is suitable for cultural requirements in embryo culture at which stage of embryo? 1. Pro embryo stage 2. Globular stage 3. Heart shaped embryo stage 4. Torpedo shaped embryo stage
  • 84. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Complementary gene interaction shows ________ ratio in F2 generation 1. 13 : 3 2. 15 : 1 3. 9 : 7 4. 2 : 1
  • 85. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Assertion (A): Somatic embryo is easily separated from callus or explant Reason (R):Somatic embryos are bipolar and radicular end is cutinized 1. A &R are correct 2. A &R are incorrect 3. A only correct 4. R only correct
  • 86. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Most rapid and expensive transformation method of DNA delivery which is similar to micro injection is 1. Electroporation 2. Macro injection method 3. Microprojectile 4. Fiber mediated
  • 87. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which are Endospermic dicots? 1. Castor 2. Fenugreek 3. A&B 4. None
  • 88. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram JNKVV University Jabalpur
  • 89. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Alkali fermentation (Wet method of seed extraction) is done in 1. Tomato 2. Cucumber 3. A&B 4. Brinjal
  • 90. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram __________ cross is useful to determine types of the gametes produced by F1 individual 1. Back cross 2. Test cross 3. Reciprocal cross 4. Criss cross
  • 91. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Minimum No. of field counts to be taken up to 5 acres in seed certification 1. 6 2. 5 3. 7 4. 4
  • 92. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram _________ is an irreversible chromosomal aberration 1. Deletion 2. Duplication 3. Inversion 4. Translocation
  • 93. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram What is the Pure live seed (PLS) of seed lot having 98% purity and 90% germination 1. 86.2 2. 88.2 3. 88 4. 87.2
  • 94. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Separation of seeds based on shape and rolling ability 1. Draper mill 2. Spiral separator 3. Indent cylinder 4. Specific gravity separator
  • 95. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Direction of transcription is from 1. 5’to 5’ 2. 5’ to 3’ 3. 3’ to 5’ 4. 3’ to 3’
  • 96. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram How many kinds of gametes are produced by AaBbCCDd genotype 1. One 2. Two 3. Four 4. Eight
  • 97. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Law in relation to gene and genotypic frequencies in large random mating populations was given by 1. Mather 2. Jinks - Hayman 3. Jinks - Jones 4. Hardy - Weinberg
  • 98. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Transgressive segregants are those which fall outside the limits of 1. Female parent 2. Both parent 3. Male parent 4. Mid parent
  • 99. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Crossing over occurs in 1. Leptotene 2. Zygotene 3. Pachytene 4. Diplotene
  • 100. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Naturally, variability is maintained by 1. Recombination 2. Spontaneous mutations 3. Out crossing 4. All above
  • 101. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following involves gain or loss of chromosome 1. Aneuploid 2. Autopolyploid 3. Allopolyploid 4. Euploid
  • 102. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram specific combining ability (SCA) in Line x Tester Analysis represents 1. The average performance of lines across all crosses 2. The specific performance of an individual in a particular cross 3. The interaction effects between lines and testers 4. Effects of gene mutations in the lines
  • 103. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Which of the following design is similar to line x tester mating design 1. NCD I 2. NCD II 3. NCD III 4. GMA
  • 104. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram What factors influence the success of genetic advance under selection 1. Selection intensity 2. High heritability 3. Genetic variability 4. All above
  • 105. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram GCA variance has positive association with 1. Narrow sense heritability 2. Broad sense heritability 3. Hybrid vigour 4. Adaptability
  • 106. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Triple test cross analysis provides information about 1. Additive variance 2. Dominance variance 3. Presence or absence of epistasis 4. All above
  • 107. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Harshey and Chase labeled protein with isotopes of _____ to distinguish it from DNA 1. Hydrogen 2. Phosphorous 3. Sulphur 4. Radium
  • 108. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram In Vr-Wr graph, parents with more dominant gene occupy position 1. Far away from origin 2. In middle 3. Below origin 4. Near origin
  • 109. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Kafir-60 is an important source of male sterility in 1. Maize 2. Wheat 3. Sorghum 4. Pearl millet
  • 110. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram Rate of recombination for the genes located in the vicinity of centromere will be 1. Complete 2. Relatively higher 3. Relatively lower 4. Zero
  • 111. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram
  • 112. Krashi Coaching- ICAR JRF, SRF, ASRB NET, SMS & IBPS AFO EXAM Subscribe Krashi Coaching YouTube channel & Follow Krashi_IG on Instagram