[1] Aims and objectives of Plant Breeding; History and
development of plant breeding.
(06)
1 Norin-10 is a dwarfing gene of
(a) Triticum aestivum (b) Zea mays
(c) Oryza sativa (d) Secale cereal
2 Plant breeding deals with the improvement in
(a) Yield (c) Quality
(b) Stress resistance (d) All of these
3 The father of green revolution is
(a) (B)P.Pal (c) N.E.Borlaug
(b) M.S.Swaminathan (d) (C)T.Patel
4 Which of the following is prerequisite for crop improvement?
(a) Hybridization (c) Mutation
(b) Genetic variation (d) Male sterility
5 The first artificial plant hybrid was produced by crossing between
(a) Carnation X Sweet
William
(c) Varieties of wheat
(b) Carnation X Sweet Potato (d) Carnation X Sweet corn
6 C. A. Barber and T.S.Venkataraman are famous for their work on
(a) Sorghum (c) Sugarcane
(b) Soybean (d) Spices
7 Which are prime requirement for initiation of plant breeding work
(a) Variation in population (c) Large population
(b) Stable population (d) Healthy population
8 Brassica oil cake contain the anti-nutritional factor
(a) Erucic acid (c) Glucosinolate
(b) Cynogenic glycoside (d) Saponin
9 Among which of the following scientist was developed first cotton
hybrid?
(a) M.S.Swaminathan (c) C.T.Patel
(b) C.H.Patel (d) D. S. Athwal
10 Plant breeding can improve _________ of plant
(a) Phenotype (c) Dormancy
(b) Heredity (d) Susceptibility
11 Resistance to shattering is an important objective among which of
the following crop?
(a) Pea (c) Wheat
(b) Cotton (d) Green gram
12 Among which of the following is pre requisite for selection?
(a) Hybridization (c) Variation
(b) Domestication (d) Introduction
[2] Modes of reproduction (05)
13 Development of embryo from synergids or antipodal cells without
fertilization
(a) Apospory (b) Apogamy
(c) Diplospory (d) Apomixis
14 Each anther has
(a) One pollen sac (b) Two pollen sacs
(c) Four pollen sacs (d) Three pollen sacs
15 Genetic variation in progeny produced due to which of the
following?
(a) Segregation (c) Recombination
(b) Segregation and
recombination
(d) None of these
16 When sexual reproduction occurs along with apomixis is known as
(a) Apogamy (c) Apospory
(b) Facultative Apomixis (d) Obligate Apomixis
17 Origin of embryo from egg cells of another embryo sac developed
from diploid tissue is known as
(a) Parthenogenesis (c) Apogamy
(b) Apospory (d) All of these
18 A process of formation of pollen grain is known as
(a) Micro sporogenesis (c) Mega sporogenesis
(b) Micro gametogenesis (d) Mega gametogenesis
19 The triple fusion leads to development of
(a) Synergids (c) Embryo
(b) Apogamy (d) Endosperm
20 The embryo develop from embryo sac without pollination is known
as
(a) Diplospory (c) Parthenogenesis
(b) Apogamy (d) Apospory
[3] Modes of pollination (05)
21 The process of dehiscence of an anther is known as
(a) Pollination (c) Anthesis
(b) Fertilization (d) Hybridization
22 Protogyny is found in the case of
(a) Rice (c) Wheat
(b) Maize (d) Pearl millet
23 A crop showing less than 5 % cross pollination is considered as
(a) Cross pollinated crop (c) Often cross pollinated crop
(b) Self pollinated crop (d) Often self pollinated crop
24 Herkogamy condition occurs in which crop
(a) Calotropis (b) Lucern
(c) tobacco (d) Sugarcane
25 The situation when pollen from a flower of one plant falls onto the
stigmas of other flower of the same plant
(a) Often cross pollination (b) Allogamy
(c) Pollination (d) Geitonogamy
26 Clestogamy promotes
(a) Cross pollination (c) Self pollination
(b) Geitonogamy (d) All of the above
27 Protandry is found in which of the following crop?
(a) Maize (b) Bajra
(c) Wheat (d) chickpea
28 In alfalfa allogamy condition is due to
(a) Heterostyly (c) Cleistogamy
(b) Male sterility (d) Herkogamy
29 A condition in which opening of flower after fertilization is called
(a) Chasmogamy (c) Cleistogamy
(b) Dichogamy (d) Herkogamy
30 The geitonogamy condition is found among which of the following
crop?
(a) Maize (c) Wheat
(b) Pigeonpea (d) Papaya
[4]. Plant Genetic Resources, their conservation and Genetic
diversity
(04)
31 Land races refers to
(a) Primitive cultivars (c) Obsolate cultivars
(b) Modern cultivars (d) Mutant lines
32 In the full form of NBPGR, B stands for
(a) Board (c) Bureau
(b) Botanical (d) Breeding
33 In India, the indigenous germplasm collection of cultivated species
carry prefix
(a) EC (c) IC
(b) IW (d) IG
34 Germplasm is also called
(a) Gene pool (b) Genetic resources
(c) Gene bank (d) All of these
35 The primitive cultivars which were selected and cultivated by
farmers is ?
(a) Modern cultivars (c) Wild relatives
(b) Obsolete cultivars (d) Land races
36 Head quarter of NBPGR located at
(a) Hyderabad (c) New Delhi
(b) Chennai (d) Bangalore
37 Which of the following substation of NBPGR represent arid zone ?
(a) Jaipur, Rajasthan (c) Jodhpur, Rajasthan
(b) Katch, Gujarat (d) Akola, Maharastra
38 Which of the following substation of NBPGR represent mixed
climate zone?
(a) Jaipur, Rajasthan (c) Jodhpur, Rajasthan
(b) Katch, Gujarat (d) Amravati, Maharashtra
39 Law of homologous series of variation was proposed by
(a) Vavilov (1951) (c) Jensen (1901)
(b) Hull (1945) (d) Jenkis (1927)
40 A specific place or area or region where crop plant where maximum
variability is found is called
(a) Center of diversity (c) Genetic origin
(b) Center of origin (d) Both (a) and (b)
[5]. Methods of breeding- A Brief outlines (08)
41 The method is often used to correct some specific weakness of an
established variety
(a) Heterosis breeding (c) Combination breeding
(b) Transgressive breeding (d) selection
42 The new genotype cannot create incase of
(a) Pedigree method (c) Backcross method
(b) Mass selection (d) SSD method
43 Breeding behavior of a plant can be determine through
(a) Progeny test (c) Back cross
(b) Mass selection (d) Pure line selection
44 Which of the following method of plant breeding is not used for
asexually propagated crops?
(a) Plant introduction (c) Clonal selection
(b) Mutation breeding (d) Pure line selection
45 Variety is not uniform incase of
(a) Mass selection (c) Pureline selection
(b) Heterosis breeding (d) Progeny selection
46 Most basic method of crop improvement is
(a) Domestication (c) Plant introduction
(b) Selection (d) Pedifree methods
47 Recurrent selection method of crop improvement can be grouped
into
(a) General method (c) Special method
(b) Population improvement (d) Non hybridization
[6] Domestication, acclimatization and genetic erosion of plant (05)
48 The first step in genetic improvement of a plant species is
(a) Domestication (c) selection
(b) Germplasm collection (d) hybridization
49 The adjutant of a variety or population in new environment is
known as
(a) Adaptation (c) Buffering
(b) Acclimatization (d) Both A and B
50 Who explained the origin of tetraploid species of Brassica
(a) East (b) Kanpenchenko
(c) Nagaharu (d) Richey
51 Which of the following undesirable consequences related with plant
breeding?
(a) Genetic erosion (c) Narrow genetic base
(b) Susceptibility to minor pest
and disease
(d) All of these
52 Variety developed through mass selection is
(a) Homozygous &
Homogeneous
(c) Heterozygous & Homogeneous
(b) Homozygous &
Heterogeneous
(d) Heterozygous &
Heterogeneous
53 Gradual loss of genetic variability in a crop is known as
(a) Genetic drift (c) Genetic erosion
(b) Acclimatization (d) All of these
[7] Plant introduction (05)
54 The plant introduction method is used for_____ plant species
(a) Self pollinated (c) Cross pollinated
(b) Vegetative propagated (d) All of these
55 Sonara-64 and Lerma Rojo wheat varieties are examples of
(a) Secondary introduction (c) Acclimatization
(b) Primary introduction (d) Domestication
56 Jaya and Ratna rice variety contain dwarfing gene from
(a) Dee-woo-gen-geo (c) Dee-woo-gen
(b) Dee-geo-woo-gen (d) Dee-gen-woo
57 Which of the following variety good example of primary
introduction?
(a) TN 1 (b) IR 8
(c) IR 28 (d) All of these
58 Oldest method of crop improvement is
(a) Mass selection (c) Plant introduction
(b) Pureline selection (d) Pedigree selection
[8] Selection, Johannson’s pure line theory, genetic basis, pure
line selection, progeny selection and mass selection
(06)
59 Genetic variation in pureline may arise due to
(a) Mechanical mixture (c) Mutation
(b) Out crossing (d) All of these
60 Mass selection is always based on
(a) Phenotype (c) Progeny test
(b) Genotype (d) Heritability
61 Purity of existing pureline varieties can be maintain by regular
(a) Pure line selection (b) Pedigree selection
(c) Mass selection (d) Recurrent selection
62 The differential rate of reproduction is
(a) Selection (c) Introduction
(b) Domestication (d) Mutation
63 The maximum variability is found in
(a) F1 generation (c) F2 generation
(b) F3 generation (d) F4 generation
64 Vilmorin practiced individual plant selection in sugarbeet to
improve
(a) Root yield (c) Sugar yield
(b) Sugar content (d) Root colour
65 Selection provides an opportunity to isolate the most desirable
genotype from
(a) Homogeneous population (c) Homozygous population
(b) Heterogeneous population (d) Heterozygous population
66 Among which of the following always done based on phenotypic
performance?
(a) Pure line selection (c) Mass selection
(b) Progeny selection (d) Pedigree selection
67 Pure line is
(a) Homozygous &
Homogeneous
(c) Heterozygous &
Homogeneous
(b) Homozygous &
Heterogeneous
(d) Heterozygous &
Heterogeneous
68 Among which of the following method is not appropriate for cross
pollinated crops?
(a) Mass selection (c) Pureline selection
(b) Bulk method (d) heterosis breeding
[9] Definition of biometrics, assessment of variability, component
of genetic variance and Genotype x Environment interaction
(03)
69 The performance is almost same in F1 and F2 indicate presence of
__________
(a) Non additive genes (b) Additive genes
(c) Dominance (d) Epistatic gene
70 The differential response of varying genotype under changes in the
environment is known as
(a) Genetic variation (b) G x E interaction
(c) Correlation (d) Genetic diversity
71 Wright (1935) classified genetic variance into
(a) Additive & Non-additive
variance
(b) Heritable fixable variance
(c) Heritable-Fixable & Epistasis
variance
(d) Heritable –Non fixable
variance
72 Mather (1949) classified genetic variance into
(a) Additive & Non-additive
variance
(b) Heritable fixable variance
(c) Heritable-Fixable & Epistasis
variance
(d) Heritable fixable –
Heritable non fixable
variance
73 A variance due to average effects of gene on all segregating loci is
called
(a) Dominance variance (b) Additive variance
(c) Epistasis (d) Non fixable
74 A variance due to the deviation of heterozygote (Aa) from the
average of two homozygotes
(a) Dominance variance (b) Additive variance
(c) Epistasis (d) Non fixable
[10] Self incompatibility and male sterility and their utilization in
crop improvement
(08)
75 The self incompatibility system arise due to difference in flower
morphology
(a) Gametophytic (c) Homomorphic
(b) Heteromorphic (d) Sporophytic
76 In CGMS system B line used as
(a) Female line (b) Male sterile line
(c) Maintainer line (d) Restorer line
77 In male sterile system, which of two lines are isogenic in nature?
(a) A and R lines (b) A and B lines
(c) A and D lines (d) B and R lines
78 Which following are a compatible matting?
(a) Pin x pin (c) Pin x thrum
(b) Thrum x thrum (d) Both A and B
79 Which of the following male sterility system is generally used
without depend on types of crop species
(a) Genetic (b) Chemically induced male
sterility
(c) CMS (d) CGMS
80 The term self incompatibility was coined by
(a) Harrington (c) Lewis
(b) Stout (d) East
81 Which of the following is not compatible matting?
(a) Pin x pin (c) Pin x thrum
(b) Thrum x Thrum (d) All of these
82 Which of the following male sterility system is the mostly
applicable in vegetatively propagated crop?
(a) GMS (b) Chemically induced male
sterility
(c) CMS (d) CGMS
83 In case of gametophytic system which of the following is partial
compatible matting?
(a) S1S2 X S1S2 (c) S1S2 X S2S3
(b) S1S2 X S3S4 (d) S1S3 X S2S4
84 Causes of male sterility are
(a) Genetic (c) Interaction of cytoplasm and genetic
(b) Cytoplasm (d) All of these
85 Among which of the following type of self-incompatibility not arise
due to difference in flower morphology?
(a) Gametophytic (c) Homomorphic
(b) Sporophytic (d) Both A and B
86 In CGMS system B line used as________
(a) Female line (c) Male sterile line
(b) Maintainer line (d) Restorer line
87 Tifft-23A is male sterile line of
(a) Sorghum (c) Pearlmillet
(b) Rice (d) Wheat
88 CGMS system does not have
(a) A-line (c) B-line
(b) R-line (d) C-line
89 The concept of male sterility was given by
(a) Jones and Davis (c) Shull
(b) Nilsson and Ehle (d) Jenson
[11] Hybridization, Aims and objectives, types of hybridization; (07)
90 A cross between two genetically dissimilar homozygous parents is
called
(a) Testcross (c) Variety
(b) Backcross (d) Hybrid
91 In cross pollinated species, a true breeding line developed by
continuous selfing is known as
(a) Pureline (c) Hybrid
(b) Variety (d) Inbred
92 The numbers of possible single crosses excluding reciprocals is
calculated by
(a) n (n-1)/2 (c) n (n-1)
(b) n (n-1) (n-2) (n-3)/8 (d) n (n-1)/3
93 Most commonly used hybridization method in crop improvement
program is
(a) Distant hybridization (c) Inter specific hybridization
(b) Intra specific
hybridization
(d) Inter-genetic hybridization
94 For accurate genetic studies which emasculation method is most
suitable?
(a) Self incompatibility (c) Hand emasculation
(b) Male sterility (d) Use of gametocides
95 Selfing reduces heterozygosity in each generation by the factor
(a) 1/3 (c) 1/2
(b) 1/4 (d) 1/8
96 The proportion of completely homozygous plant is equal to
(a) [(2n-1)/2m]n (b) [(2m-1)/2m]m
(c) [(2n-1)/2n]n (d) [(2n-1)/2n]m
97 A hybrid between genetically different genotypes of the species is
known as
(a) Inter specific (c) Intra specific
(b) Inter generic (d) Intra generic
98 Fresh seed need to be produce every year in case of
(a) Hybrid variety (c) Synthetic variety
(b) Composite variety (d) Both B and C
[12] Methods of handling of segregating generations, pedigree
method, bulk method, back cross method and various
modified form of methods i.e SSD.
(08)
99 Which parent is used only once in back cross breeding method?
(a) Recurrent (c) Female
(b) Donor (d) Male
100 Which of the following methods provide information about the
mode of inheritance of various qualitative characters?
(a) Pedigree breeding (c) Mass selection
(b) Backcross breeding (d) Heterosis breeding
101 Which method is generally used to improve specific character of a
well adapted variety?
(a) Single seed decent (c) Backcross breeding
(b) Heterosis breeding (d) Pedigree breeding
102 Which of the following method is modified form of bulk breeding?
(a) Single seed decent
method
(c) Recurrent selection
(b) Heterosis breeding (d) Pedigree breeding
103 The main weakness of SSD method is
(a) Early generation selection (c) Plant loss
(b) High demand on resources (d) None of these
104 Segregating generations in self pollinated crops can be handled
with
(a) Pedigree method (c) Backcross method
(b) SSD method (d) All of these
105 Population produced by which selection method has heterogeneity
and wider adaptation
(a) Progeny selection (b) Mass selection
(c) Bulk method (d) Pedigree selection
106 Which method known as evolutionary methods of breeding
(a) Pedigree methods (b) Bulk methods
(c) Mass-pedigree methods (d) Mass selection
107 Modified pedigree method was given by
(a) Harrington (b) Brim
(c) Goulden (d) Harlan
108 A cross between hybrid with either of its parent is known as
a) Top cross (c) Test cross
(b) Double cross (d) Back cross
109 Basic requirement of back cross programme is/are
(a) Recurrent parent (c) High heritability of
character
(b) Donor parent (d) All of these
110 Which of the following method is used for handling segregation
generating?
(a) Recurrent selection (c) Pedigree selection
(b) Pureline selection (d) Mass selection
111 Modified form of bulk method is
(a) Bulk method (c) Mass selection
(b) SSD method (d) Pedigree selection
112 Which of the following methods takes longer time for varietal
development?
(a) Mass selection (c) Bulk method
(b) Pedigree method (d) Back cross method
113 In pedigree breeding after F8, homozygous plants are known as
(a) Variety (c) Strain
(b) Genotype (d) Segregants
[13] Heterosis, inbreeding depression, various theories of
Heterosis, exploitation of hybrid vigour development of inbred
lines and different types of hybrids.
(08)
114 A cross between an inbred line and an open pollinated variety is
known as
(a) Back cross (c) Test cross
(b) Top cross (d) wide cross
115 A cross between two inbred lines is called
(a) Poly cross (c) Single cross
(b) Test cross (d) Top cross
116 Inbreeding depression is maximum in_________
(a) Self pollinated crops (c) Often cross pollinated crop
(b) Cross pollinated crops (d) Both A and B
117 The term heterosis was first used by
(a) Bruce (1908) (c) Jones (1917)
(b) Shull (1914) (d) Hull (1945)
118 The method applicable in both self- and cross-pollinated crops is
(a) SSD (c) Pedigree selection
(b) Heterosis breeding (d) Synthetic varieties
119 Which variance is associated with heterosis?
(a) GCA (c) Both GCA and SCA
(b) SCA (d) None
120 Which estimates of heterosis is of commercial or practical value?
(a) Relative heterosis (c) Economic heterosi s
(b) Heterobeltiosis (d) Luxuriance
121 The hybrid is superior to the mid-parent value is called
(a) Reduced heterosis (c) Heterobeltiosis
(b) Standard heterosis (d) Relative heterosis
122 The hybrid GCH-7 of castor among which type of hybrid?
(a) Single cross (b) Double cross
(c) Poly cross (d) Three way cross
123 The hybrid superior to better parent value is called
(a) Heterobeltiosis (c) Reduced heterosis
(b) Standard heterosis (d) Relative heterosis
124 If 10 inbreds are crossed in all possible combination, then total
number of direct cross will be?
(a) 45 (c) 55
(b) 90 (d) 105
125 Which of the following are genetic causes of heterosis?
(A) Dominance (c) Over-dominance
(B) Epistasis (d) All of these
126 Mating between closely related individual is known as
(a) Hybridization (c) Heterosis
(b) Inbreeding (d) Standard heterosis
127 The magnitude of heterosis is associated with
(a) Homozygosity (c) Homogeneous
(b) Heterogeneous (d) Heterozygosity
128 Heterobeltiosis can be computed by mean value of the following
formulae
(a) F1-F2/F1 x 100 (c) BP-F1/BP x 100
(b) F1-BP/BP x 100 (d) MP-F1/F1 x 100
129 The formulae F1-SC/SC x 100 can be used to compute which of
the following
(a) Standard heterosis (c) Relative heterosis
(b) Heterobeltiosis (d) inbreeding depression
130 Inbreeding depression is very less in case of
(a) Self pollinated crops (c) Often cross pollinated
(b) Cross pollinated (d) Both A and B
131 Which of the following is known as father of hybrid rice
(a) Harlen (c) E.E. Hartwig
(b) G.W.Burton (d) Y.L.Ping
[14] Hardy-Weinberg law and population improvement approaches. (05)
132 Diallel selective mating system is used for genetic improvement
among which of the following crop?
(a) Cross pollinated (c) Self pollinated
(b) Often cross pollinated (d) Vegetatively propagated crop
133 Method used for population improvement is
(a) Pedigree (c) Bulk
(b) Recurrent selection (d) SSD
134 Among which of the following method is not appropriate for
population improvement?
(a) Pureline selection (c) Biparental mating
(b) Recurrent selection (d) Disruptive selection
135 A population in which each individual plant having equal chance to
mating with other individual of that population
(a) Random mating population (c) Mendelian population
(b) Panmictic population (d) All of these
136 A fundamental law of population genetics was developed by
(a) Hardy & Fisher (c) Hardy& Weinberg
(b) Weinberg & Flor (d) Hardy & Mather
137 Among which of the following evolutionary forces change gene
frequency?
(a) Mutation, Migration, Selection and Genetic drift
(b) Mutation, selection and Genetic drift
(c) Migration, Mutation and Genetic drift
(d) Selection, Genetic drift and Mutation
138 Repeated selection generation to generation simultaneously
intermating of selected plant to provide genetic recombination is
known as
(a) Disruptive selection (c) Biparental selection
(b) Recurrent selection (d) Progeny selection
139 Recurrent selection is more commonly used in
(a) Autogamous species (c) Allogamous species
(b) Often self pollinated crops (d) Often cross pollinated
crops
140 Which of the following is base material for recurrent selection?
(a) Open pollinated variety (c) Self pollinated variety
(b) Pureline (d) Wild species
141 Which of the following is/are basic assumption of recurrent
selection?
(a) Absence of epistasis (c) Absence of linkage
disequilibrium
(b) Absence of multiple alleles (d) All of these
142 In case of simple recurrent selection, selection is made on _______
basis
(a) Phenotype (c) Genotype
(b) Progeny (d) Yield
143 Recurrent selection in which heterozygous tester is used?
(a) Simple recurrent selection (c) Recurrent selection for
GCA
(b) Recurrent selection for SCA (d) Reciprocal recurrent
selection
144 Recurrent selection in which homozygous tester is used
(a) Simple recurrent selection (c) Recurrent selection for GCA
(b) Recurrent selection for
SCA
(d) Reciprocal recurrent
selection
145 End product of recurrent selection is
(a) Top cross (c) Pureline
(b) Clone (d) Inbred
146 Among which of the following efficient breeding method used for
breaking undesirable linkages?
(a) Pedigree method (c) Pureline selection
(b) Disruptive selection (d) SSD method
[15] Synthetics and composites varieties
02)
147 Yield prediction and reconstitution is possible in case of
(a) Hybrid variety (c) Synthetic variety
(b) Composite variety (d) Pureline variety
148 Synthetic and composite varieties mostly relevant to
(a) Self pollinated (c) Both self and cross
pollinated
(b) Cross pollinated (d) None of these
149 Base material used to produce synthetic varieties are
(a) Open pollinated variety (c) clones
(b) Inbred (d) All of these
150 A variety which is produced by crossing between number of lines in
all possible combination which combine well with each other is
known as
(a) Composite variety (c) Synthetic variety
(b) Germplasm complexes (d) All of these
[16] Methods of breeding for vegetatively propagated crops; Clonal
selection.
(04)
151 In case of clonal/vegetatively propagated crop which type of cell
division occurred?
(a) Mitosis (c) Both A and B
(b) Meiosis (d) Uncertain
152 Origin of genetic variation within clones is due to
(A) Bud mutation (c) Mechanical mixer
(B) Occasional sexual
reproduction
(d) All of these
153 Cell of an individual that consist two or more different genotypes is
known as
(a) Chimera (c) Clone
(b) Mericlinal (d) Periclinal
154 Genetic constitution of clone is
(a) Heterozygous &
homogeneous
(c) Homozygous &
heterogeneous
(b) Homozygous & homogeneous (d) Heterozygous &
heterogeneous
155 Clone is maintained by
(a) Sexual reproduction (c) Asexual reproduction
(b) Self pollination (d) Cross pollination
156 Asexualy propagated crops differ from sexual propagated with
respect to
(a) Heterozygosity (c) Identical with each other
(b) Breeding material (d) Homozygosity
157 Clone is degeneration leads to
(a) Increase vigour &
productivity
(c) heterozygosity
(b) homozygosity (d) Decrease vigour &
productivity
[17] Special breeding approaches: Mutation breeding; Ploidy
breeding; Wide hybridization, significance in crop
improvement.
(05)
158 An allopolyploids which arise by combining genomes of two diploids
species is known as
(a) Diploidization (b) Autosyndesis
(c) Autosyndesis (d) Amphidiploid
159 Which of the following method considered as a special breeding
method?
(a) Back cross breeding (c) Pedigree breeding
(b) Ploidy breeding (d) All of these
160 Triticale was developed from cross between
(a) Wheat and Barley (c) Wheat and Rice
(b) Wheat and Maize (d) Wheat and Rye
161 The Raphanobrassica result due to combination of
(a) Radish and Cauliflower (c) Radish and mustard
(b) Radish and Cabbage (d) Radish and turnip
162 A mutation arise due to treatment of mutagenic agents
(a) Spontaneous mutation (c) Somatic mutation
(b) Induced mutation (d) None of these
163 The process of shifting hydrozen atom from one position to another
in purine or in pyramiding base is called
(a) Base analogues (c) Ionization
(b) Radiation (d) Tautamerization
164 Sharbati sonara is mutant variety of
(a) Rice (b) Maize
(c) Barley (d) Wheat
165 A numerical change in entire genome is called
(a) Haploid (b) Euploidy
(c) Heteroploidy (d) Hypoploidy
166 Change of one or few chromosome in entire genome is called?
(a) Haploidy (c) Euploidy
(b) Aneuploidy (d) Allopolyploid
167 An individual having more than two basic set of chromosomes
(a) Haploidy (b) Aneuploidy
(c) Heteroploidy (d) Polyploidy
168 Polyploids which originate by multiplication of chromosome of a
single species
(a) Amphidiploid (c) Diploidization
(b) Autopolyploidy (d) Allopolyploids
169 A polyploid individual which combines complete genome from two
or more species
(a) Amphidiploid (c) Diploidization
(b) Autopolyploidy (d) Allopolyploids
170 The process by which a polyploidy species behaves like a diploid
species is called
(a) Disomic (c) Diploidization
(b) Autopolyploidy (d) Allopolyploids
171 Which of the following is an example of artificial alloploids
(a) Rice (c) Bananas
(b) Triticale (d) Grapes
172 Which of the following are types of distant hybridization?
(a) Interspecific and Intervarietal hybridization
(b) Interspecific & Intergeneric hybridization
(c) Intraspecific and Intrageneric hybridization
(d) interspecific and intraspecific hybridization
173 Intra generic hybridization give rise to________type of hybrid
(a) Fully fertile (c) Partially fertile
(b) fully sterile (d) All of these
174 The first intergeneric cross between wheat and rye was made by
(a) Rimpu (1890) (c) Karpenchenko (1928)
(b) Shull (1914) (d) Kolreuter (1617)
175 Intergeneric cross between radish and cabbage was made by
(a) Rimpu (1890) (c) Karpenchenko (1928)
(b) Shull (1914) (d) Kolreuter (1617)
176 Which of the following crop has evolved through wide hybridization
(a) Sugarcane (c) Triticale
(b) Wheat (d) Mustard
[18] Ideotype concept in crop improvement (02)
177 The concept of plant ideotype was given by
(a) Donald (c) Peterson
(b) Muller (d) Stadler
178 A method of crop improvement which is used to increase genetic
yield potential through genetic manipulation of specific plant trait?
(a) Mutation breeding (c) Ideotype breeding
(b) Polyploidy breeding (d) Heterosis breeding
179 Which of the following steps of Ideotype breeding are in correct
sequences?
(a) Development of theoretical modelselection of base
materialsInclusion of desirable traits Phenotypic
selection
(b) Development of theoretical model Phenotypic selection
Inclusion of desirable traits Selection of base materials
(c) Phenotypic selection Development of theoretical
modelSelection of base materials Inclusion of desirable
traits
(d) Inclusion of desirable traits Development of theoretical
modelSelection of base materials Phenotypic selection
180 Total dry matter production per plant is called
(a) Economical (c) Harvest index
(b) Biological (d) All of these
181 Harvest index refers to
(a) Ratio of economic yield to biological yield
(b) Ratio of biological yield to economic yield
(c) Sum of biological yield to economic yield
(d) Sum of economic yield to biological yield
[19] Breeding resistance to biotic and abiotic stresses (02)
182 Which of the following is the cheapest and best method for stress
resistance?
(a) Biological (b) Genetic resistance
(c) Chemical (d) Physical
183 An ability of some genotypes to give higher yields as compare to
susceptible variety at same level of infection
(a) Non-preference (c) Antibiosis
(b) Genetic resistance (d) Avoidance
184 Various characteristics of plant which make the host unattractive
to insect pest for hibernation, food or even reproduction
(a) Non-preference (c) Antixenosis
(b) Non acceptance (d) All of these
185 Source of stress resistance in crop plant is /are
(a) Cultivated varieties (b) Germplasm collections
(c) Wild species (d) All of these
186 Mechanism of crop plant which cause adverse of insect-pest on
feeding, growth and even reproduction?
(a) Antibiosis (c) Genetic resistance
(b) Avoidance (d) Antixenosis
187 Sturdy resistance is also refers to
(a) Tolerance (c) Long enduring
resistance
(b) Only escape (d) Temporary resistance
188 _________is heritable feature of a host plant that suppress or retard
the development of pathogen or insect-pest
(a) Physical resistance (c) Genetic resistance
(b) Biochemical resistance (d) Non-genetic resistance
189 Genetic resistance is governed by one or few genes is known as
(a) Specific resistance (b) Minor gene resistance
(c) General resistance (d) Horizontal resistance
190 Genetic resistance is provide protection against all race of pathogen
is called
(a) Specific resistance (b) Oligogenic resistance
(c) Vertical resistance (d) Horizontal resistance
191 Gene for gene hypothesis was first developed by
(a) Vavilov (c) Flor
(b) Plank (d) Shull
192 Under moisture stress condition, plant having ability to maintain
internal water balance is called
(a) Drought tolerance (c) Drought escape
(b) Drought avoidance (d) Drought resistance
193 Plant withstand against low tissue water content is called
(a) Drought tolerance (c) Drought escape
(b) Drought avoidance (d) Drought resistance
[20] IPR and its related matter; PBR, PPV&FRA (02)
194 The property which results from the brain of person i.e.
idea/product/process which can be used on commercial purpose
(a) Intellectuals property (b) Movable property
(c) Immovable property (d) All of these
195 The rights associated with things with unique features is known as
(a) Primary intellectual rights (c) Copy rights
(b) Property rights (d) Suigeneris rights
196 Suigeneris rights includes which of the following?
(a) Plant breeders rights (b) Copy rights
(c) Patents (d) Trade secrets
197 Primary intellectual rights includes among which of the following?
(a) Copy rights (c) Patents
(b) Trade marks (d) All of these
198 Suigeneris rights includes among which of the following?
(a) Data base rights (b) Plant breeders rights
(c) Farmers rights (d) All of these
199 The name of any region, a specific place or country used to describe
an agricultural, natural or manufactured freight or food stuff is
known as
(a) Trade name (c) Trade secret
(b) Patents (d) Geographical
indications
200 Plant breeders’ rights is also known as
(a) Plant variety rights (b) Moral rights
(c) Indigenous plant rights (d) Farmers rights
201 The period of protection of field crops under PPV& FRA are
(a) 15 years (c) 18 years
(b) 20 years (d) 14 years
202 The period of protection of trees and horticultural crops under
PPV& FRA are
(a) 15 years (c) 18 years
(b) 20 years (d) 14 years
203 The basic requirements for protection of a plant variety under PPV
and FRA are
(a) Novelty; Distinctiveness and Uniformity
(b) Novelty; Distinctiveness; Uniformity and Stability
(c) Distinctiveness; Uniformity and Stability
(d) Novelty; Distinctiveness and Stability
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