AGB-2

1.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

2. Failure to response to selection is called

Selection limit

Correct Incorrect Correct answer

Asymmetry of response

Correct Incorrect Correct answer

Selection differential

Correct Incorrect Correct answer

Selection intensity

Correct Incorrect Correct answer

3. The genetic improvement of well known breed can be achieved by

Selecting breeding

Correct Incorrect Correct answer

Grading-up

Correct Incorrect Correct answer

Inbreeding

Correct Incorrect Correct answer

Line breeding

Correct Incorrect Correct answer

4. 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

5.________ is defined as the average age of the parents when their offspring are born

Selection differential

Correct Incorrect Correct answer

Generation interval

Correct Incorrect Correct answer

Selection intensity

Correct Incorrect Correct answer

Genetic gain

Correct Incorrect Correct answer

6. ___________ involves a succession of backcross from one population into another

Cross breeding

Correct Incorrect Correct answer

Backcrossing

Correct Incorrect Correct answer

Grading-up

Correct Incorrect Correct answer

Top crossing

Correct Incorrect Correct answer

7. In Indian scenario, breeding bulls are selected for genetic improvement of milk production based on

Progeny testing

Correct Incorrect Correct answer

Pedigree selection

Correct Incorrect Correct answer

Both a and b

Correct Incorrect Correct answer

Individual selection

Correct Incorrect Correct answer

8.The main concern of captive breeding programme is ________

Loss of genetic diversity

Correct Incorrect Correct answer

Inbreeding depression

Correct Incorrect Correct answer

Poor adaptation to natural environment

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

9.When one gene masks the expression of another non-allelic gene is known
as_________

Epistasis

Correct Incorrect Correct answer

Dominance-recessive

Correct Incorrect Correct answer

Co-dominance

Correct Incorrect Correct answer

Incomplete dominance

Correct Incorrect Correct answer

10.Heritability of production traits is_________________

Low

Correct Incorrect Correct answer

Medium

Correct Incorrect Correct answer

High

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

11. If gene frequency of A=0.7 & a=0.3, find out genotypic frequency of heterozygote

0.42

Correct Incorrect Correct answer

0.21

Correct Incorrect Correct answer

0.49

Correct Incorrect Correct answer

0.09

Correct Incorrect Correct answer

12. Heterosis in F2 – generation will becomes_____________

Half of F1 generation

Correct Incorrect Correct answer

No change

Correct Incorrect Correct answer

Double of F1 generation

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

13. 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

14. Which force changes the gene frequency fastest_______________

Migration

Correct Incorrect Correct answer

Genetic drift

Correct Incorrect Correct answer

Mutation

Correct Incorrect Correct answer

Selection

Correct Incorrect Correct answer

15.Barred plumage in poultry, broodiness in poultry, rapid feathering & slow feathering
in poultry, cryptorchidism in horses and white eye in drosophila are examples

of________________

Sex-linked inheritance

Correct Incorrect Correct answer

Sex-influenced inheritance

Correct Incorrect Correct answer

Sex-limited inheritance

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

16. Auto sexing on the basis of __________________ sex-linked traits of chicken

Barred plumage

Correct Incorrect Correct answer

Fast &slow feathering

Correct Incorrect Correct answer

Both a and b

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

17. Milk yield and draught capacity of cattle has a _____________________ correlation

Negatively correlation

Correct Incorrect Correct answer

Nonsense correlation

Correct Incorrect Correct answer

Positively correlation

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

18. The ratio of selection differential to the phenotypic standard deviation of a trait is
known as_______________

Intensity of selection

Correct Incorrect Correct answer

Response to selection

Correct Incorrect Correct answer

Accuracy of selection

Correct Incorrect Correct answer

Limit of selection

Correct Incorrect Correct answer

19.Genes of sex-limited traits are present on______________

Sex-chromosomes

Correct Incorrect Correct answer

Autosomes

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

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

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

21. Which is true about individual selection

Animals are selected on the basis of their own phenotype

Correct Incorrect Correct answer

It is most accurate basis of selection and gives direct estimate of breeding value

Correct Incorrect Correct answer

Generation interval is shortest among all the basis of selection

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

22. Individual selection and pedigree selection are more effective when heritability of
trait is

High

Correct Incorrect Correct answer

Low

Correct Incorrect Correct answer

Medium

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

23. 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

24.Most effective aids to selection for improving sex-limited trait is________

Progeny testing

Correct Incorrect Correct answer

Sib selection

Correct Incorrect Correct answer

Family selection

Correct Incorrect Correct answer

Individual selection

Correct Incorrect Correct answer

25. Which of the following is true about repeatability of a trait_________

It is used to predict future performance from past records

Correct Incorrect Correct answer

It is used to predict MPPA and used in making culling decisions of cows

Correct Incorrect Correct answer

It is the upper limit of heritability in broad sense

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

26.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

27. The unit of selection in family selection is

Family mean

Correct Incorrect Correct answer

Pedigree information

Correct Incorrect Correct answer

Individual mean

Correct Incorrect Correct answer

Within family mean

Correct Incorrect Correct answer

28. Genetic gain per year is depend upon

Heritability

Correct Incorrect Correct answer

Calving interval

Correct Incorrect Correct answer

Generation interval

Correct Incorrect Correct answer

Repeatability

Correct Incorrect Correct answer

29. Resemblance between relatives is the basis of estimation of

Heritability

Correct Incorrect Correct answer

Repeatability

Correct Incorrect Correct answer

Genetic Correlation

Correct Incorrect Correct answer

Regression

Correct Incorrect Correct answer

30. Repeatability is generally estimated by

Half-sib correlation

Correct Incorrect Correct answer

Intra-class correlation

Correct Incorrect Correct answer

Regression

Correct Incorrect Correct answer

BLUP

Correct Incorrect Correct answer

31. 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

32. General combining ability, Complementarity, breeding value & resemblance
between relative is due to_______________

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

33. 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

34. ______________is used for the production of commercial broilers.

Crossbreeding

Correct Incorrect Correct answer

Line crossing

Correct Incorrect Correct answer

Strain crossing

Correct Incorrect Correct answer

Selective breeding

Correct Incorrect Correct answer

35. What are the assumptions of Hardy-Weinberg equilibrium-

Small population, random mating, absence of mutation, migration & selection

Correct Incorrect Correct answer

Large size population, random mating, absence of mutation, migration &selection

Correct Incorrect Correct answer

Large size population, random mating, presence of mutation, migration &selection

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

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

0.25

Correct Incorrect Correct answer

0.05

Correct Incorrect Correct answer

0.125

Correct Incorrect Correct answer

0.0625

Correct Incorrect Correct answer

37. 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

38. Number of barr-body in turner syndrome

0

Correct Incorrect Correct answer

1

Correct Incorrect Correct answer

2

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

39. The proportionate contribution of offspring to the next generation is known as

Fitness

Correct Incorrect Correct answer

Adaptive value

Correct Incorrect Correct answer

Selective value

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

40. Which of the following pair is not correctly matched

Turner syndrome: 44 + X0

Correct Incorrect Correct answer

Klinefelter syndrome: 44 + XXY

Correct Incorrect Correct answer

Down syndrome: Trisomy 21

Correct Incorrect Correct answer

Cat cry syndrome: Trisomy 5

Correct Incorrect Correct answer

41. Which of the following is true about inter-se mating

Crossing of crossbred progeny having same level of inheritance

Correct Incorrect Correct answer

It is the mating of crossbred progeny among themselves (F1 × F1)

Correct Incorrect Correct answer

It maintain the same level of inheritance

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

42. Milk yield and fat yield in dairy animals, egg size & egg weight in poultry are
_________ traits

Positively correlated

Correct Incorrect Correct answer

Negatively correlated

Correct Incorrect Correct answer

No correlation

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

43. Which of the following is/are example(s) of complete linkage

Male drosophila

Correct Incorrect Correct answer

Female silk moth & female poultry

Correct Incorrect Correct answer

Sex chromosomes of all heterogametic species

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

44. 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

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

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

46. 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

47. Breeding value of an animal can be described as-

It is the sum of average effect of the genes carried by an individual

Correct Incorrect Correct answer

It is twice the mean deviation of the progeny from the population mean or twice of transmitting ability

Correct Incorrect Correct answer

It is the value of individual judged by mean value of its progeny

Correct Incorrect Correct answer

All are correct

Correct Incorrect Correct answer

48. 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

49. Most of the economic traits are

Controlled by many genes (polygenes) and greatly influenced by environment

Correct Incorrect Correct answer

Shows continuous variation

Correct Incorrect Correct answer

The effect of a gene is small and cumulative in nature

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

50. The best method of sire evaluation is

Best Linear Unbiased Prediction (BLUP)

Correct Incorrect Correct answer

Best Linear Unbiased Estimator (BLUE)

Correct Incorrect Correct answer

Equi-parent index

Correct Incorrect Correct answer

Contemporary index

Correct Incorrect Correct answer

51. 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

52. Best method of heritability estimation which is relatively free from biases is

Half sibs correlation method

Correct Incorrect Correct answer

Full sibs correlation method

Correct Incorrect Correct answer

Intra – sire regression

Correct Incorrect Correct answer

Dam – daughter regression

Correct Incorrect Correct answer

53. Progeny testing is used to select

Parent

Correct Incorrect Correct answer

Progeny

Correct Incorrect Correct answer

Full sib

Correct Incorrect Correct answer

Half sib

Correct Incorrect Correct answer

54. 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

55. Which is true about random genetic drift or ‘Sewall Wright effect’ in a population
is

It is a dispersive force to change gene frequency

Correct Incorrect Correct answer

Random fluctuation in gene frequency from one generation to next generation

Correct Incorrect Correct answer

It is only predicted in amount, not in direction and operates in small population

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

56. Which trait show greatest inbreeding depression-

Carcass quality

Correct Incorrect Correct answer

Reproductive and fitness traits

Correct Incorrect Correct answer

Trait related to viability

Correct Incorrect Correct answer

Both b & c

Correct Incorrect Correct answer

57. If recombination frequency is 0.5 then it is

Complete linkage

Correct Incorrect Correct answer

Incomplete linkage

Correct Incorrect Correct answer

No linkage

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

58. Which of the following pair is/are correctly matched

Exon: Coding sequence

Correct Incorrect Correct answer

Intron: Non-coding sequence

Correct Incorrect Correct answer

Highly heritable trait: Low heterosis

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

59. Which of the following statement(s) is/are true about nucleus breeding schemes

CNBS is mainly used in pig & poultry but ONBS is used in cattle, buffalo & sheep

Correct Incorrect Correct answer

Increase genetic progress & reduced rate of inbreeding is observed in ONBS

Correct Incorrect Correct answer

CNBS is one directional gene flow and ONBS is bidirectional gene flow

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

60. In case of inbreeding, heritability tends to

Increase

Correct Incorrect Correct answer

Decline

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

61.Breeding policy adopted for increasing milk production of non-descript cattle is

Inbreeding

Correct Incorrect Correct answer

Crossbreeding

Correct Incorrect Correct answer

Grading up

Correct Incorrect Correct answer

Line

Correct Incorrect Correct answer

62. Toda and Burgur buffalo breeds of Tamil Nadu can be best improved by

Selective breeding

Correct Incorrect Correct answer

Crossbreeding

Correct Incorrect Correct answer

Grading up

Correct Incorrect Correct answer

Inbreeding

Correct Incorrect Correct answer

63. Inbreeding is used for commercial production of inbred lines in

Cattle & buffalo

Correct Incorrect Correct answer

Pig & poultry

Correct Incorrect Correct answer

Pig & buffalo

Correct Incorrect Correct answer

Poultry & cattle

Correct Incorrect Correct answer

64. Selection intensity is higher when

Fewer animals are selected

Correct Incorrect Correct answer

Large no. of animals are selected

Correct Incorrect Correct answer

Both a and b

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

65.Crossing of two or more lines in all possible combinations is known as

Diallele cross

Correct Incorrect Correct answer

Out – crossing

Correct Incorrect Correct answer

Criss – cross

Correct Incorrect Correct answer

Top – crossing

Correct Incorrect Correct answer

66. Maintenance of hybrid vigour in a cattle herd is done by

Grading up

Correct Incorrect Correct answer

Inbreeding

Correct Incorrect Correct answer

Top crossing

Correct Incorrect Correct answer

Rotational crossing

Correct Incorrect Correct answer

67. Breeding policy adopted for buffalo improvement in India

Grading up

Correct Incorrect Correct answer

Selective breeding

Correct Incorrect Correct answer

Both a & b

Correct Incorrect Correct answer

Crossbreeding

Correct Incorrect Correct answer

68. Which of the following is a part of National Cattle Breeding Policy in India

Grading up

Correct Incorrect Correct answer

Crossbreeding

Correct Incorrect Correct answer

Selective breeding

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

69. Heritability is the property of

Population

Correct Incorrect Correct answer

Trait

Correct Incorrect Correct answer

Environment

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

70. Which of the following statement is true about multiple allelism

More than two alternative form of a gene located on the same locus of the homologous chromosome

Correct Incorrect Correct answer

Multiple alleles are produced by mutation

Correct Incorrect Correct answer

c. Multiple alleles are found in the population, not in the single individual.

Correct Incorrect Correct answer

All are true

Correct Incorrect Correct answer

71. Ex-situ conservation means

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

Correct Incorrect Correct answer

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

Correct Incorrect Correct answer

Storage of DNA & live tissue

Correct Incorrect Correct answer

All the above

Correct Incorrect Correct answer

72. The percentage of individuals with a given genotype that expresses the expected
phenotype is known as

Epistasis

Correct Incorrect Correct answer

Expressivity

Correct Incorrect Correct answer

Penetrance

Correct Incorrect Correct answer

Recessive

Correct Incorrect Correct answer

73.Progeny testing is used for the selection of

Dam

Correct Incorrect Correct answer

Sire

Correct Incorrect Correct answer

Son

Correct Incorrect Correct answer

Daughter

Correct Incorrect Correct answer

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

60

Correct Incorrect Correct answer

50

Correct Incorrect Correct answer

48

Correct Incorrect Correct answer

54

Correct Incorrect Correct answer

75. Inheritance of X-linked character is through

Male Parent

Correct Incorrect Correct answer

Female Parent

Correct Incorrect Correct answer

Both a and b

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

76. Genotypic frequency of offspring will depend upon

Gene frequencies of parents

Correct Incorrect Correct answer

Genotypic frequencies of parents

Correct Incorrect Correct answer

Both Gene and Genotypic frequencies of parents

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

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

0.60

Correct Incorrect Correct answer

0.40

Correct Incorrect Correct answer

0.50

Correct Incorrect Correct answer

0.9

Correct Incorrect Correct answer

78. Type of cross breeding which exploits 100% maternal, paternal as well as individual
heterosis

Four breed crosses

Correct Incorrect Correct answer

Double two breed crosses

Correct Incorrect Correct answer

Rotational crossing

Correct Incorrect Correct answer

Both a & b

Correct Incorrect Correct answer

79.Outcrossing within a herd by use of selected sires

Top crossing

Correct Incorrect Correct answer

Selective breeding

Correct Incorrect Correct answer

inter se mating

Correct Incorrect Correct answer

Grading up

Correct Incorrect Correct answer

80. Inbreed tester line is necessary in

Recurrent selection

Correct Incorrect Correct answer

Reciprocal recurrent selection

Correct Incorrect Correct answer

Diallel crossing

Correct Incorrect Correct answer

Partial diallel crossing

Correct Incorrect Correct answer

81. A chromosomal aberration that affects the fertility of daughter is

Robertsonian translocation

Correct Incorrect Correct answer

Addition

Correct Incorrect Correct answer

Random union of chromosome

Correct Incorrect Correct answer

Deletion

Correct Incorrect Correct answer

82.Lactation length in cattle is standardized to

300 days basis

Correct Incorrect Correct answer

305 days basis

Correct Incorrect Correct answer

365 days basis

Correct Incorrect Correct answer

330 days basis

Correct Incorrect Correct answer

83. Rotational crossing is favoured in

Swine

Correct Incorrect Correct answer

Horse

Correct Incorrect Correct answer

Chicken

Correct Incorrect Correct answer

Camel

Correct Incorrect Correct answer

84.Systemic process which tend to alter the gene frequency

Selection

Correct Incorrect Correct answer

Migration

Correct Incorrect Correct answer

Mutation

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

85. ________________ gives the probability that two genes are identical by descent

Coefficient of relationship

Correct Incorrect Correct answer

Inbreeding coefficient

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

86. An inbred line has a minimum inbreeding coefficient of

0.25

Correct Incorrect Correct answer

0.375

Correct Incorrect Correct answer

0.5

Correct Incorrect Correct answer

0

Correct Incorrect Correct answer

87. Superiority of selected parents over the population is

Response to selection

Correct Incorrect Correct answer

Selection differential

Correct Incorrect Correct answer

Intensity of selection

Correct Incorrect Correct answer

Accuracy of selection

Correct Incorrect Correct answer

88. Standardized selection differential is called as

Response to selection

Correct Incorrect Correct answer

Selection intensity

Correct Incorrect Correct answer

Generation interval

Correct Incorrect Correct answer

Accuracy of selection

Correct Incorrect Correct answer

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

Sex limited traits

Correct Incorrect Correct answer

Qualitative traits

Correct Incorrect Correct answer

Quantitative traits

Correct Incorrect Correct answer

Threshold traits

Correct Incorrect Correct answer

90. Commercial layer chicks are evolved out of

Two way crossing

Correct Incorrect Correct answer

Criss crossing

Correct Incorrect Correct answer

Three way crossing

Correct Incorrect Correct answer

Four way double crossing

Correct Incorrect Correct answer

91. Appearance of ancestral traits after some generation is known as

Mutation

Correct Incorrect Correct answer

Atavism

Correct Incorrect Correct answer

Suppression

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

92. Dairy search index is otherwise called as

Sunderasan index

Correct Incorrect Correct answer

Tomar index

Correct Incorrect Correct answer

Rice index

Correct Incorrect Correct answer

BLUP

Correct Incorrect Correct answer

93. The most accurate aid to selection is

Individual selection

Correct Incorrect Correct answer

Progeny testing

Correct Incorrect Correct answer

Pedigree selection

Correct Incorrect Correct answer

Sib selection

Correct Incorrect Correct answer

94. To increase the milk production of the indigenous dairy cattle breeds in plains,
most suitable breed for crossing is

Brown Swiss

Correct Incorrect Correct answer

Danish

Correct Incorrect Correct answer

Jersey

Correct Incorrect Correct answer

Holstein-Friesian

Correct Incorrect Correct answer

95. 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

96. Dolly was created by

Embryo transfer

Correct Incorrect Correct answer

Nuclear transfer from embryonic stem cells

Correct Incorrect Correct answer

Nuclear transfer from cultured foetal cells

Correct Incorrect Correct answer

Nuclear transfer from a quiescent mammary cells

Correct Incorrect Correct answer

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

Most probable breeding value

Correct Incorrect Correct answer

Most probable producing value

Correct Incorrect Correct answer

Genetic correlation

Correct Incorrect Correct answer

Phenotypic correlation

Correct Incorrect Correct answer

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

10

Correct Incorrect Correct answer

20

Correct Incorrect Correct answer

40

Correct Incorrect Correct answer

5

Correct Incorrect Correct answer

99. 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

100. Females get their sex-linked genes from:

Father

Correct Incorrect Correct answer

Mother

Correct Incorrect Correct answer

Equally from both parents

Correct Incorrect Correct answer

Neither

Correct Incorrect Correct answer

101. 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

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