AGB-1

1. The increasing order of efficiency of methods of selection is

a. Tandem selection <Independent culling < Selection index

Correct Incorrect Correct answer

Tandem selection < Selection index < Independent culling

Correct Incorrect Correct answer

Independent culling < Selection index < Tandem selection

Correct Incorrect Correct answer

Independent culling < Tandem selection < Selection index

Correct Incorrect Correct answer

2.For carcass traits in sheep the practical aid to selection is

Family selection

Correct Incorrect Correct answer

Progeny testing

Correct Incorrect Correct answer

Sib selection

Correct Incorrect Correct answer

Individual selection

Correct Incorrect Correct answer

3. In crossbreeding, the breeds used should be genetically:

Closer

Correct Incorrect Correct answer

Distant

Correct Incorrect Correct answer

Very close

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

4. What is the raw material for herd improvement?

Gene frequency

Correct Incorrect Correct answer

Variability

Correct Incorrect Correct answer

Genotype frequency

Correct Incorrect Correct answer

Panmixia

Correct Incorrect Correct answer

5.The limit of correlation coefficient is

0 to 1

Correct Incorrect Correct answer

0 to -1

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-1 to +1

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1 to ∞

Correct Incorrect Correct answer

6. Criss-cross pattern of inheritance is seen in

Sex – linked traits

Correct Incorrect Correct answer

Sex – limited traits

Correct Incorrect Correct answer

Sex – influenced traits

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

7.Which of the following is/are true about heritability

a. It is the regression of breeding value on phenotypic value in narrow sense

Correct Incorrect Correct answer

It is the ratio of genotypic variance to phenotypic variance in broad sense

Correct Incorrect Correct answer

It is fraction of parent superiority which is transmitted to the offspring

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

8.Phenotype is a good indicator of genotype when the heritability of a trait is

High

Correct Incorrect Correct answer

Low

Correct Incorrect Correct answer

Medium

Correct Incorrect Correct answer

Zero

Correct Incorrect Correct answer

9.Pea comb is common in which class of poultry

American

Correct Incorrect Correct answer

English

Correct Incorrect Correct answer

Asiatic

Correct Incorrect Correct answer

Mediterranean

Correct Incorrect Correct answer

10.The offspring are better than the mean of both parents is called as ________

Positive heterosis

Correct Incorrect Correct answer

Negative Heterosis

Correct Incorrect Correct answer

Hybrid Vigour

Correct Incorrect Correct answer

Both a and c

Correct Incorrect Correct answer

11.Which of the following breeds of class has feathered shanks?

American

Correct Incorrect Correct answer

English

Correct Incorrect Correct answer

Asiatic

Correct Incorrect Correct answer

Mediterranean

Correct Incorrect Correct answer

12. Heritability of production traits is_________________

Low

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Medium

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high

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None

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13. Pea comb is the typical character of __________breed

Leghorn

Correct Incorrect Correct answer

Cornish

Correct Incorrect Correct answer

Rhode Island Red

Correct Incorrect Correct answer

New Hampshire

Correct Incorrect Correct answer

14. Crossing over takes place in____________ phase of cell cycle

Pachytene stage of prophase-I

Correct Incorrect Correct answer

Diplotene stage of prophase-I

Correct Incorrect Correct answer

Metaphase of meiosis I

Correct Incorrect Correct answer

Metaphase of meiosis II

Correct Incorrect Correct answer

15. Progeny testing and family selection are more effective when the trait is

Sex limited traits

Correct Incorrect Correct answer

Low heritable traits

Correct Incorrect Correct answer

Carcass traits

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

16.The ratio of response to selection to the selection differential is termed as- .

Regression

Correct Incorrect Correct answer

Realized heritability

Correct Incorrect Correct answer

Heritability in broad sense

Correct Incorrect Correct answer

Heritability in narrow sense

Correct Incorrect Correct answer

17. Heterosis, inbreeding depression and specific combining ability (SCA) are caused
by_______________

Non-additive gene action (Dominance + Over-dominance + Epistasis)

Correct Incorrect Correct answer

Additive gene action

Correct Incorrect Correct answer

Both a & b

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

18. Reciprocal recurrent selection (RRS) is more suitable for poultry and swine
selection programme to improve

GCA

Correct Incorrect Correct answer

SCA

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

19.Inbreeding coefficient of progenies produced by grandparent – offspring mating,
half sib mating & double first cousin mating are

0.25

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0.50

Correct Incorrect Correct answer

0.125

Correct Incorrect Correct answer

0.00625

Correct Incorrect Correct answer

20. Genetic correlation between traits is due to

Pleiotropy

Correct Incorrect Correct answer

Linkage

Correct Incorrect Correct answer

Heterozygosity

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

21. Mean deviation of progeny from its population mean is known as

Transmitting ability or Average effect

Correct Incorrect Correct answer

Breeding value

Correct Incorrect Correct answer

Adaptive value

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

22. Which of the following is/are disadvantage(s) of inbreeding

Frequency of undesirable recessive genes is increased

Correct Incorrect Correct answer

It causes inbreeding depression

Correct Incorrect Correct answer

Inbred animals are more prone to environmental changes

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

23.The ultimate source of all genetic variation of population is due to

Chromosome segregation

Correct Incorrect Correct answer

Crossing over

Correct Incorrect Correct answer

Mutation, Migration, Selection, Genetic drift

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

24.Breeding policy adopted for buffalo improvement in Jammu and Kashmir

Grading up

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Selective breeding

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Both a & b

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Crossbreeding

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25. Ex-situ conservation means

Organized herd outside breeding tract e.g. Research station, Zoo etc.

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Cryopreservation of sperms, oocytes, embryos, somatic cells, stem cells etc.

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Storage of DNA & live tissue

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All the above

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26. Progeny testing is used for the selection of

Dam

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Sire

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Son

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Daughter

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27. Chromosome numbers in water buffalo (Bubalus bubalis) is

60

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50

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48

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54

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28.In Hardy Weinberg equilibrium, genotypic frequency of heterozygote will be
highest when gene frequency of one gene is

0.60

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0.40

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0.50

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0.9

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29.Commercial layer chicks are evolved out of

Two way crossing

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Criss crossing

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Three way crossing

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Four way double crossing

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30.Traits which show discrete variation but which is influenced by many pairs of
genes is known as

Sex limited traits

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Qualitative traits

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Quantitative traits

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Threshold traits

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31.Females get their sex-linked genes from:

Father

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Mother

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Equally from both parents

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Neither

Correct Incorrect Correct answer

32.What is the raw material for herd improvement?

Gene frequency

Correct Incorrect Correct answer

Variability

Correct Incorrect Correct answer

Genotype frequency

Correct Incorrect Correct answer

Panmixia

Correct Incorrect Correct answer

33.Number of linkage groups in a haploid cell having 20 chromosomes is:

10

Correct Incorrect Correct answer

20

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40

Correct Incorrect Correct answer

5

Correct Incorrect Correct answer

34.Repeatability is an important parameter needed for the estimation of:

Most probable breeding value

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Most probable producing value

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Genetic correlation

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Phenotypic correlation

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35.Number of barr-body in turner syndrome

0

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1

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2

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3

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36. Egg size & egg weight in poultry are _________ traits

Positively correlated

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Negatively correlated

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No correlation

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None

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37. The correct order of the stages of the first meiotic prophase is

Leptotene, pachytene, zygotene, diplotene

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Leptotene, zygotene, pachytene, diplotene

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Leptotene, diplotene, zygotene, pachytene

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Leptotene, zygotene, diplotene, pachytene

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38.Inter-allelic interaction is called

Dominance

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Overdominance

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Epistasis

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Recessive

Correct Incorrect Correct answer

39. Manifold effects of a gene refer to:

Penetrance

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Expressivity

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Pleiotropy

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Epistasis

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40. Crossing overtakes place between

Sister chromatids

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Non-sister chromatids

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Chromosomes

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Chromosomes

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41. The minimum number of chiasmata in a pair is

One

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Two

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Three

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Four

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42. Which of the following has maximum chromosome number?

Pig

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Horse

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Camel

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Dog

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43. The sum total of genes in a population is

Genotype

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Phenotype

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Karyotype

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Genepool

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44. Parents having A and AB blood groups will not produce children having –

A

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B

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O

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AB

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45. If there are 3 alleles for a trait in a population, the total number of genotypes
occurring in the population are

3

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4

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5

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6

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46. If a genotype is AaBbCcDdFe, then the number of unique gametes possible from the
genotype is

4

Correct Incorrect Correct answer

8

Correct Incorrect Correct answer

16

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

47. Milk production in cows is an example of:

Sex-linked inheritance

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Sex-influenced inheritance

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Sex-limited inheritance

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

48. Modification of normal gene expression in which a particular gene at one locus masks
the expression of at least one other gene at a different chromosomal location is termed
as

Crossing over

Correct Incorrect Correct answer

Epistasis

Correct Incorrect Correct answer

Mutation

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

49. Exchange of genetic material between non-homologous chromosomes is known as

Crossing over

Correct Incorrect Correct answer

Duplication

Correct Incorrect Correct answer

Translocation

Correct Incorrect Correct answer

Inverstion

Correct Incorrect Correct answer

50. Match the following and choose the correct option
i. Cattle I. 50
ii. Riverine buffalo II. 60
iii. Swamp buffalo III. 54
iv. Sheep IV. 48

i-II, ii-I, iii-III, iv-IV

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i-I, ii-II, iii-III, iv-IV

Correct Incorrect Correct answer

i-I, ii-II, iii-IV, iv-III

Correct Incorrect Correct answer

i-II, ii-I, iii-IV, iv-III

Correct Incorrect Correct answer

51. Buffalo species having 48 chromosomes is

River buffalo

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Water buffalo

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African buffalo

Correct Incorrect Correct answer

Swamp buffalo

Correct Incorrect Correct answer

52. Proportion of phenotypic variance caused due to additive gene variance is

Heritability

Correct Incorrect Correct answer

Correlation

Correct Incorrect Correct answer

Regression

Correct Incorrect Correct answer

Response

Correct Incorrect Correct answer

53. Correlation among different measurements on a character in the life of an animal is
called

Repeatability

Correct Incorrect Correct answer

Heritability

Correct Incorrect Correct answer

Regression

Correct Incorrect Correct answer

Variance

Correct Incorrect Correct answer

54.In h² value of a trait is 0.5; selection differential value is 25; generation interval is 2.5
years, then the response per year will be

0.25

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0.50

Correct Incorrect Correct answer

0.025

Correct Incorrect Correct answer

0..80

Correct Incorrect Correct answer

55. General combining ability calculated in a diallel mating is indicative of

Overdominance

Correct Incorrect Correct answer

Epistasis

Correct Incorrect Correct answer

Non-additive genetic effect

Correct Incorrect Correct answer

Additive genetic effect

Correct Incorrect Correct answer

56. Response to selection depends on

Intensity

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Correlation

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Regression

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Inbreeding

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57. Inbreeding coefficient of an individual produced from parent offspring is

0.25

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0.50

Correct Incorrect Correct answer

0.025

Correct Incorrect Correct answer

0.80

Correct Incorrect Correct answer

58. Malabari breed of goat originates in the state of

Jharkhand

Correct Incorrect Correct answer

Orissa

Correct Incorrect Correct answer

kerela

Correct Incorrect Correct answer

Andhra Pradesh

Correct Incorrect Correct answer

59. The most important economic trait taken into account while selecting a dairy cow is

Age at first estrus

Correct Incorrect Correct answer

Lactational yield

Correct Incorrect Correct answer

Dry period

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Intercalving period

Correct Incorrect Correct answer

60. In humans, trisomy of chromosome number 21 is responsible for

Haemophilia

Correct Incorrect Correct answer

Klinefelter syndrome

Correct Incorrect Correct answer

Turner syndrome

Correct Incorrect Correct answer

Down syndrome

Correct Incorrect Correct answer

61. Tissue transferred between genetically different members of the same species is called

Autograft

Correct Incorrect Correct answer

Isograft

Correct Incorrect Correct answer

Allograft

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Xenograft

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Match the following
(a) Restriction endonucleases (1) Small DNA segments used in DNA
fingerprints
(b) Ligases (2) Molecular scissors
(c) Probe (3) Vector
(d) Cosmid (4) Molecular stitchers

a,2; b,4; c:1; d:3

Correct Incorrect Correct answer

a:1; b:2; c:3; d:4

Correct Incorrect Correct answer

a:3; b:4; c:1; d:2

Correct Incorrect Correct answer

a:2; b:1; c:4; d:3

Correct Incorrect Correct answer

63. The Father of animal breeding is

Gregor John Mendel

Correct Incorrect Correct answer

T.H. Morgon

Correct Incorrect Correct answer

Robert Bakewell

Correct Incorrect Correct answer

Watson Crick

Correct Incorrect Correct answer

64. Phenotype reflects genotype more precisely when heritability is (2012)

Low

Correct Incorrect Correct answer

HiGH

Correct Incorrect Correct answer

medium

Correct Incorrect Correct answer

all the above

Correct Incorrect Correct answer

65. Consider the following statements
1) For comparing variance, F test is used

2) Additive genetic variance is the result of interaction of genes
3) covariance of the parents is equal to inbreeding coefficient of the progeny
4) Breeding of two different breeds is crossbreeding

1and3

Correct Incorrect Correct answer

3and2

Correct Incorrect Correct answer

3and4

Correct Incorrect Correct answer

1and4

Correct Incorrect Correct answer

66. Body coat comprising of large irregular patches of black and white with well defined
line of demarcation between two colours is called:

Pie bald

Correct Incorrect Correct answer

Skew bald

Correct Incorrect Correct answer

Whole coloured

Correct Incorrect Correct answer

Roan

Correct Incorrect Correct answer

67. Most efficient method of selection is:

Tandem method

Correct Incorrect Correct answer

Independent culling method

Correct Incorrect Correct answer

Pedigree selection

Correct Incorrect Correct answer

Index selection

Correct Incorrect Correct answer

68. Hissardale is evolved from:

Gaddi X Merino

Correct Incorrect Correct answer

Nilgiri X Merino

Correct Incorrect Correct answer

Bikaneri X Merino

Correct Incorrect Correct answer

Nili-Ravi X Merino

Correct Incorrect Correct answer

69.Sudden heritable change in genetic material is known as

Duplication

Correct Incorrect Correct answer

Deletion.

Correct Incorrect Correct answer

Translocation

Correct Incorrect Correct answer

Mutation

Correct Incorrect Correct answer

70. Diallele crossing is usually practiced in

Cattle

Correct Incorrect Correct answer

Sheep

Correct Incorrect Correct answer

Camel

Correct Incorrect Correct answer

Poultry

Correct Incorrect Correct answer

71. Two genes of two different traits located on the same chromosome are called

Alleles

Correct Incorrect Correct answer

Linked

Correct Incorrect Correct answer

Segregated

Correct Incorrect Correct answer

Intermediate

Correct Incorrect Correct answer

72. Full sib and half sib mating in poultry and parent offspring or uncle- cousin mating in
swine is most commonly used in

Outcrossing

Correct Incorrect Correct answer

Inbreeding

Correct Incorrect Correct answer

Pure breeding

Correct Incorrect Correct answer

Strain Crossing

Correct Incorrect Correct answer

73.Which of the following is a heritable and fixable component of phenotypic variance?

Environmental variation

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Additive variation.

Correct Incorrect Correct answer

Both of the above

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

74. During which phase of mitotic cell division, the nuclear membrane and nucleolus
disappear?

Prophase

Correct Incorrect Correct answer

Metaphase

Correct Incorrect Correct answer

Anaphase

Correct Incorrect Correct answer

Telephase

Correct Incorrect Correct answer

75. The coordinating unit of All India Coordinated Research Project (AICRP) on Goat
Improvement is presently located at which of the following institutes?

NDRI, Karnal, Haryana

Correct Incorrect Correct answer

IVRI, Izzatnagar, Uttar Pradesh

Correct Incorrect Correct answer

CIRG, Makhdoom, Mathura, (UP)

Correct Incorrect Correct answer

CSWRI, Avikanagar, Rajasthan

Correct Incorrect Correct answer

76.Which of the following traits are controlled by one or few genes/loci and environment
has little or no effect on their phenotypic expression?

Sex-linked traits

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Qualitative traits

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Quantitative traits

Correct Incorrect Correct answer

Sex limited traits

Correct Incorrect Correct answer

Match the pair.
A. Monosomic i. 2n-1
B. Triosomic ii. 2n + 1
C. Tetrasomic iii. 2n-2
D. Nullosomic iv. 2n + 2

A-III B- II C- I D-II

Correct Incorrect Correct answer

A-III B-II C-IV D-I

Correct Incorrect Correct answer

A-I B-II C-III D-IV

Correct Incorrect Correct answer

A-I B-II C-IV D-III

Correct Incorrect Correct answer

78. Whenever over 50 percent of gametes produced contain parental combination and less
than 50 percent of the gametes contain recombinant combination, then it is the case of

Multiple Allele

Correct Incorrect Correct answer

Linkage

Correct Incorrect Correct answer

Lethal gene

Correct Incorrect Correct answer

Epistasis

Correct Incorrect Correct answer

79. Proof that genetic variance exists at the stage of selection limit:

If there is response to reserve selection

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If the population mean remains constant

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Heritability remains constant

Correct Incorrect Correct answer

Reduction in phenotypic variance

Correct Incorrect Correct answer

80. The goal of the selection can be defined under:

Artificial selection

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Natural selection

Correct Incorrect Correct answer

Both (A) and (B)

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

81. The mahogany and red colors in cattle represent a good example to illustrate:

Sex-influenced inheritance

Correct Incorrect Correct answer

Sex-linked inheritance

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

Sex-limited inheritance

Correct Incorrect Correct answer

82. Selection is effective for those traits which are governed by:

Additive genes

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Dominant genes

Correct Incorrect Correct answer

Epistatic genes

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

83. Goat meat from which breed is more delicious:

Black Bengal and Angora Chevon

Correct Incorrect Correct answer

Nubian

Correct Incorrect Correct answer

Chegu and Changthangi

Correct Incorrect Correct answer

Which is a tetrasomic condition?

2n-1

Correct Incorrect Correct answer

2n+1+1

Correct Incorrect Correct answer

2n+2

Correct Incorrect Correct answer

2n +3

Correct Incorrect Correct answer

85. Daughter of colour blind father and normal mother marries a normal person. Colour
blindness in the family shall be:

50% sons

Correct Incorrect Correct answer

50% daughter

Correct Incorrect Correct answer

50% offspring

Correct Incorrect Correct answer

50% son and 50% daughter

Correct Incorrect Correct answer

86. Inbreeding coefficient is a measure of increase of:

Homozygosity

Correct Incorrect Correct answer

Heterozygosity

Correct Incorrect Correct answer

Both (A) and (B)

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

87. Non allelic dominance is known as:

Over-dominance

Correct Incorrect Correct answer

Co-dominance

Correct Incorrect Correct answer

Partial dominance

Correct Incorrect Correct answer

Epistasis

Correct Incorrect Correct answer

88. In a Ram, DNA can be estimated from all of the following except:

WBC

Correct Incorrect Correct answer

RBC

Correct Incorrect Correct answer

Semen

Correct Incorrect Correct answer

Root of hair follicles

Correct Incorrect Correct answer

89. In idealistic population the family selection cannot be better than the individual
selection if the:

Heritability is low

Correct Incorrect Correct answer

Selection intensity is high

Correct Incorrect Correct answer

Heritability of family is larger than the individual basis

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

90. Konkan Kapila cattle breed is native of _________________

Maharashtra and Goa

Correct Incorrect Correct answer

Karnataka and Andhra Pradesh

Correct Incorrect Correct answer

Kerala and Karnataka

Correct Incorrect Correct answer

Maharashtra and Karnataka

Correct Incorrect Correct answer

91. Cross of Tharparkar and Holstein Friesian

Karan Swiss

Correct Incorrect Correct answer

Karan Fries

Correct Incorrect Correct answer

Avikalin

Correct Incorrect Correct answer

Avivastra

Correct Incorrect Correct answer

92. The copper-coloured skin is found in which breed of buffalo?

Murrah

Correct Incorrect Correct answer

Surti

Correct Incorrect Correct answer

Bhadawari

Correct Incorrect Correct answer

Toda

Correct Incorrect Correct answer

93. Lola is the synonym of _________breed .

Tharparkar

Correct Incorrect Correct answer

HF

Correct Incorrect Correct answer

Murrah

Correct Incorrect Correct answer

Sahiwal

Correct Incorrect Correct answer

94. The outcrossing within a herd by use of selected sire is called :

Upgrading

Correct Incorrect Correct answer

Line breeding

Correct Incorrect Correct answer

Selective breeding

Correct Incorrect Correct answer

Back crossing

Correct Incorrect Correct answer

95. If crossing over takes place in linked genes, the proportion of new/recombinant
offsprings population is

More than 50 percent

Correct Incorrect Correct answer

Less than 50 percent

Correct Incorrect Correct answer

Less than 25 percent

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

96. The number of registered native dog breeds in india is:

10

Correct Incorrect Correct answer

21

Correct Incorrect Correct answer

15

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

97. Viable material of endangered species can be preserved by

gene library

Correct Incorrect Correct answer

Gene bank

Correct Incorrect Correct answer

gene pool

Correct Incorrect Correct answer

herbarium

Correct Incorrect Correct answer

98. The major cause of genetic correlation is

Pleiotropy

Correct Incorrect Correct answer

Segregation

Correct Incorrect Correct answer

Heterozygosity

Correct Incorrect Correct answer

Homozygosity

Correct Incorrect Correct answer

99. Heritability estimate of a trait is higher when there is

Uniform environment

Correct Incorrect Correct answer

Genetically uniform population

Correct Incorrect Correct answer

Small population

Correct Incorrect Correct answer

Dominance effect

Correct Incorrect Correct answer

100.True swamp buffaloes are found where?

Haryana

Correct Incorrect Correct answer

West bengal

Correct Incorrect Correct answer

Assam

Correct Incorrect Correct answer

Goa

Correct Incorrect Correct answer

101.Which of the following is not an assumption for Hardy Weinberg equilibrium:

Large population

Correct Incorrect Correct answer

Migration

Correct Incorrect Correct answer

Mutation

Correct Incorrect Correct answer

Variation

Correct Incorrect Correct answer

102. Hinny is a cross of

Jennet× Stallion

Correct Incorrect Correct answer

Jack x Mare

Correct Incorrect Correct answer

Mithun x Cow

Correct Incorrect Correct answer

Jennet x Zebra

Correct Incorrect Correct answer

103. Mean deviation of progeny from the parental population is known as:

Selection differential

Correct Incorrect Correct answer

Response to selection

Correct Incorrect Correct answer

Selection intensity

Correct Incorrect Correct answer

Realized heritability

Correct Incorrect Correct answer

104. Observed superiority of out breeds and cross breeds over the parental breeds
is:

Heterosis

Correct Incorrect Correct answer

Transgressive variation

Correct Incorrect Correct answer

Fitness value

Correct Incorrect Correct answer

Breedable value

Correct Incorrect Correct answer

105. The gene which kills an individual before birth is called as:

Semi lethal

Correct Incorrect Correct answer

Sub vital

Correct Incorrect Correct answer

Lethal

Correct Incorrect Correct answer

Sub lethal

Correct Incorrect Correct answer

106.If you were to arrange the chromosome numbers of a cat, a pig, and a rabbit in
ascending order, which sequence would be correct?

Rabbit, Pig, Cat

Correct Incorrect Correct answer

Pig, Cat, Rabbit

Correct Incorrect Correct answer

Cat, Rabbit, Pig

Correct Incorrect Correct answer

Cat, Pig, Rabbit

Correct Incorrect Correct answer

107. Which of the following statements about alleles is correct?

Alleles are always identical on homologous chromosomes.

Correct Incorrect Correct answer

Alleles are different forms of a gene located at the same locus.

Correct Incorrect Correct answer

Alleles are only present in haploid organisms.

Correct Incorrect Correct answer

Alleles cannot be dominant or recessive.

Correct Incorrect Correct answer

108. In the case of codominance, what is observed in the phenotype?

A blend of both alleles.

Correct Incorrect Correct answer

Only the dominant allele is expressed.

Correct Incorrect Correct answer

Both alleles are equally and fully expressed.

Correct Incorrect Correct answer

Neither allele is expressed.

Correct Incorrect Correct answer

109. What is the phenotypic ratio for a dihybrid cross involving complementary
gene action?

9:3:3:1

Correct Incorrect Correct answer

9:7

Correct Incorrect Correct answer

3:1

Correct Incorrect Correct answer

1:2:1

Correct Incorrect Correct answer

110. Which of the following is a characteristic of polygenic inheritance?

Traits are controlled by a single gene.

Correct Incorrect Correct answer

Traits are influenced by multiple genes.

Correct Incorrect Correct answer

Traits follow a simple dominant-recessive pattern.

Correct Incorrect Correct answer

Traits are not influenced by environmental factors

Correct Incorrect Correct answer

111. What is the expected phenotypic ratio in the F2 generation for a trait
exhibiting incomplete dominance?

3:1

Correct Incorrect Correct answer

1:2:1

Correct Incorrect Correct answer

9:3:3:1

Correct Incorrect Correct answer

2:1

Correct Incorrect Correct answer

112. Which of the following best describes sex-influenced traits?

Traits expressed only in one sex.

Correct Incorrect Correct answer

Traits that are expressed differently in males and females.

Correct Incorrect Correct answer

Traits linked to the X chromosome.

Correct Incorrect Correct answer

Traits linked to the Y chromosome.

Correct Incorrect Correct answer

113. Match the following genetic concepts with their descriptions:

Column A:
1. Incomplete Dominance
2. Codominance
3. Epistasis
4. Polygenic Inheritance

Column B:
A) A single gene affects multiple traits.
B) Multiple genes influence a single trait.
C) Both alleles are equally expressed.
D) One allele is not completely dominant over the other.

1-D, 2-C, 3-A, 4-B

Correct Incorrect Correct answer

1-C, 2-D, 3-B, 4-A

Correct Incorrect Correct answer

1-B, 2-A, 3-D, 4-C

Correct Incorrect Correct answer

1-A, 2-B, 3-C, 4-D

Correct Incorrect Correct answer

114. Match the following inheritance patterns with their examples:

Column A:
1. X-linked Recessive
2. Multiple Alleles
3. Incomplete Dominance
4. Pleiotropy
Column B:
A) ABO Blood Group
B) Sickle Cell Anemia
C) Red-Green Color Blindness
D) Snapdragon Flower Color

1-C, 2-A, 3-D, 4-B

Correct Incorrect Correct answer

1-A, 2-B, 3-C, 4-D

Correct Incorrect Correct answer

1-D, 2-C, 3-B, 4-A

Correct Incorrect Correct answer

1-B, 2-D, 3-A, 4-C

Correct Incorrect Correct answer

115. Duplicate dominant epistasis in F2 generation yields a phenotypic ratio of

12:3

Correct Incorrect Correct answer

13:3

Correct Incorrect Correct answer

15:1

Correct Incorrect Correct answer

9:7

Correct Incorrect Correct answer

116. In birds the chromosome configuration in female is:

A+Z

Correct Incorrect Correct answer

A+W

Correct Incorrect Correct answer

A+ZW

Correct Incorrect Correct answer

A+ZZ

Correct Incorrect Correct answer

117. Modified dihybrid ratio in dominant epistasis is

9:6:1

Correct Incorrect Correct answer

9:7

Correct Incorrect Correct answer

12:3:1

Correct Incorrect Correct answer

15:1

Correct Incorrect Correct answer

118. In the Jammu and Kashmir breeding policy, which equine breed is mentioned
for upgrading the local horses?

Thoroughbred

Correct Incorrect Correct answer

Arabian

Correct Incorrect Correct answer

Kathiawari

Correct Incorrect Correct answer

Zanskari

Correct Incorrect Correct answer

119.Which of the following statements is true about the sheep breeding policy of
Jammu and Kashmir?

The inheritance of exotic sheep breeds is fixed upto 50% in crossbreds

Correct Incorrect Correct answer

Conservation of Karnah breed is carried out in the Jammu region

Correct Incorrect Correct answer

Merino breed is used for crossbreeding in the Kashmir region

Correct Incorrect Correct answer

Propagation of fine wool breeds is being encouraged

Correct Incorrect Correct answer

120. Which of the following is not true regarding the conservation efforts of the
double humped camel in Ladakh?

The conservation is of an in situ type

Correct Incorrect Correct answer

The camel owners are not required to register their animals with the state

Correct Incorrect Correct answer

Camels are in a structured breeding programme

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

Test Series 2 For VO/VAS/LDO

Participants 3

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