BOTANY- PAGE 3
1. If the same lines are also used as tester in L x T design, then :-
2. Which of the following cell organelle is not bound by cell membrane :-
3. Breakage -fusion-bridge cycles of crossing over of paracentric inversion are most commonly found in :-
4. Scientific name of macaroni wheat is :-
5. The concept depicted by a cross in which the phenotype of FІ generation expresses both the parents to some degree is :-
6. Coefficient of inbreeding for random mating population is :-
7. Through mutation breeding maximum varieties have been released for the character :-
8. The flow of information from RNA to DNA is called:-
9. The tendency of population to remain in genetic equilibrium may be disturbed by :-
10. How many possible double cross hybrids could be made from ten inbred lines of maize ?
11. Cross pollination in cotton ranges :-
12. The race composition of a pathogen changes in response to :-
13. In lac operon, which of the following codes for the enzyme β - galactosidase ?
14. Seed multiplication ratio in gram and groundnut are, respectively :-
- It is equivalent to partial diallel design
- It is equivalent to NCD design II
- It is equivalent to full diallel design
- It is equivalent to biparental mating design
2. Which of the following cell organelle is not bound by cell membrane :-
- Lysosome
- Spherosome
- Peroxisome
- Ribosome
3. Breakage -fusion-bridge cycles of crossing over of paracentric inversion are most commonly found in :-
- Pearl millet
- Maize
- Sorghum
- Wheat
4. Scientific name of macaroni wheat is :-
- Triticum aestivum
- Triticum durum
- Triticum dicoccum
- Triticum compactum
5. The concept depicted by a cross in which the phenotype of FІ generation expresses both the parents to some degree is :-
- Incomplete dominance
- Law of dominance
- Inheritance of one gene
- Co - dominance
6. Coefficient of inbreeding for random mating population is :-
- 0
- 1
- 2
- 3
7. Through mutation breeding maximum varieties have been released for the character :-
- Salt tolerance
- Improved grain quality
- Increase in height
- Reduction in height
8. The flow of information from RNA to DNA is called:-
- Transcription
- Translation
- Teminism
- Central dogma
9. The tendency of population to remain in genetic equilibrium may be disturbed by :-
- Lack of selection
- Lack of migration
- Lack of random mating
- Lack of mutation
10. How many possible double cross hybrids could be made from ten inbred lines of maize ?
- 40
- 240
- 630
- 830
11. Cross pollination in cotton ranges :-
- < 5%
- 5-30%
- > 50%
- None of these
12. The race composition of a pathogen changes in response to :-
- Environment
- The resistant gene present in host
- The virulence factor present in pathogen
- Race composition in the pathogen
13. In lac operon, which of the following codes for the enzyme β - galactosidase ?
- Lac Z
- Lac Y
- Lac A
- Operator
14. Seed multiplication ratio in gram and groundnut are, respectively :-
- 1 : 10 and 1 : 20
- 1 : 20 and 1 : 10
- 1 : 8 and 1 : 10
- 1 : 10 and 1 : 8
15. Heritability is not dependent on :-
16. Linkage between the genes for resistance with some undesirable genes is referred to as :-
17. Insect resistance breeding is more difficult, because :-
18. Headquarters of UPOV is at :-
19. The plant cell organelle associated with fat catabolism is :-
20. Re-constitution is not possible of the genetic form of :-
21. Which of the following method is not used for inbred line improvement ?
22. The storage life for seed having moisture content 9-10 % at temperature not exceeding 90° F is :-
23. Site of the mitochondria that contains enzymes for Kreb's cycle is:-
24. Which of the following test is not used for testing seed viability ?
25. Which of the following is not a DNA sequencing method ?
- Genotypic effect
- Population size
- Gene frequencies
- Environment
16. Linkage between the genes for resistance with some undesirable genes is referred to as :-
- Compatible linkage
- Genetic linkage
- Linkage drag
- Useful linkage
17. Insect resistance breeding is more difficult, because :-
- Host specificity is less marked
- Fairly simple inheritance
- Biological strains are less common
- Have complex inheritance
18. Headquarters of UPOV is at :-
- Munich
- Geneva
- Rome
- New York
19. The plant cell organelle associated with fat catabolism is :-
- Lomasome
- Mesosome
- Glyoxisome
- Microtubule
20. Re-constitution is not possible of the genetic form of :-
- Hybrid
- Synthetic population
- Multi lines
- Composite population
21. Which of the following method is not used for inbred line improvement ?
- Pedigree selection
- Mass selection
- Gametic selection
- Back cross method
22. The storage life for seed having moisture content 9-10 % at temperature not exceeding 90° F is :-
- One Year
- Two Years
- Three Years
- Four Years
23. Site of the mitochondria that contains enzymes for Kreb's cycle is:-
- Outer membrane
- Inner membrane
- Inter membrane space
- Matrix
24. Which of the following test is not used for testing seed viability ?
- T Z- Test
- I C- Test
- GADA - Test
- Phenol test
25. Which of the following is not a DNA sequencing method ?
- LM - PCR
- Edmans method
- Sanger's method
- Maxam - Gilbert method
26. When both additive and non additive gene effects are important in the expression of a trait, the most appropriate selection scheme is :-
27. The male sterility used in the development of hybrid wheat has been derived from :-
28. Maximum number of mutant varieties are produced with the treatment :-
29. The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as :-
30. The first transgenic crop in the world is :-
31. Main objective of the use of genetically modified herbicide resistant crops is to :-
32. Which is not a notified variety of Taramira :-
33. Moderate inbreeding depression is common in :-
34. Advantage of heterosis can be taken permanently by clonal selection in which of the following :-
35. DIMBOA imparts resistance against :-
36. DNA chip technology can be used for detection of :-
37. Open pollination of a group of genotypes (generally selected) in isolation in a way to promote random mating inter se is called :-
- Pure line selection
- Mass selection
- Simple recurrent selection
- Reciprocal recurrent selection
27. The male sterility used in the development of hybrid wheat has been derived from :-
- Triticum dicoccum
- Triticum timopheevii
- Triticum durum
- Triticum monococcum
28. Maximum number of mutant varieties are produced with the treatment :-
- EMS
- UV rays
- Sodium azide
- Gamma rays
29. The phenomenon of the reversion of mature cells to the meristematic state leading to the formation of callus is known as :-
- Redifferentiation
- Dedifferentiation
- Differentiation
- Organogenesis
30. The first transgenic crop in the world is :-
- Cotton
- Soybean
- Tobacco
- Flax
31. Main objective of the use of genetically modified herbicide resistant crops is to :-
- Reduce herbicide accumulation in food articles for health safety
- Encourage eco-friendly herbicides
- Elimination of weeds from the field without use of manual labour
- Elimination of weed from the field without use of herbicides
32. Which is not a notified variety of Taramira :-
- Karan Tara
- T - 27
- Narendra Tara
- Jobner Tara
33. Moderate inbreeding depression is common in :-
- Carrot and onion
- Alfalfa and sorghum
- Maize and Bajra
- Onion and sunflower
34. Advantage of heterosis can be taken permanently by clonal selection in which of the following :-
- In sexually propagated crops
- In Asexually propagated crops
- In genetically modified crops
- In tissue cultured crops
35. DIMBOA imparts resistance against :-
- Corn borer
- Cotton bollworm
- Army worm
- Shoot fly
36. DNA chip technology can be used for detection of :-
- RFLPs
- RAPDs
- AFLPs
- SNPs
37. Open pollination of a group of genotypes (generally selected) in isolation in a way to promote random mating inter se is called :-
- Biparental mating
- Polycross
- Three way cross
- Back cross
38. Which of the following is the shortest mitotic stage ?
39. Which of the following statement is not correct about a randomized complete block experiment ?
40. Choose the correct statement for tandem selection:-
41. In tissue culture frequent sub-culturing induces :-
42. The direction of block in field experiment in Randomized block design is :-
43. Single low'/'0' in mustard represents :-
44. Artificial seeds are :-
45. When did PPV & FR Act 2001 came into force ?
46. If the mean and standard deviation of pearl millet yield are 20 Kg and 5 Kg respectively, the coefficient of variation will be :-
- Prophase
- Metaphase
- Anaphase
- Telophase
39. Which of the following statement is not correct about a randomized complete block experiment ?
- Every block is randomized separately from other blocks
- Every treatment must appear at least once in each block
- Each block contains a different set of treatments
- Treatments are randomized in each block
40. Choose the correct statement for tandem selection:-
- Improvement of all the characters is done in one go
- Improvement of the characters is at random
- Improvement of characters is done one after the another
- Improvement is done for adaptability only
41. In tissue culture frequent sub-culturing induces :-
- Temporal modification
- Somaclonal variation
- Cultural shock
- Somatic hybrid
42. The direction of block in field experiment in Randomized block design is :-
- Perpendicular to fertility gradient
- Parallel to fertility gradient
- At an angle of 45° to fertility gradient
- All of these
43. Single low'/'0' in mustard represents :-
- Erucic acid < 4% of total oil content
- Erucic acid <2% of total oil content
- Glucosinolate <2% of total oil content
- Erucic acid and Glucosinolate < 4% of total oil content
44. Artificial seeds are :-
- Seeds produced in laboratory condition
- Seeds encapsulated in a gel
- Somatic embryos encapsulated in a gel
- Somatic cells encapsulated in a gel
45. When did PPV & FR Act 2001 came into force ?
- Jan. 2002
- Jan. 2003
- Jan. 2004
- Jan. 2005
46. If the mean and standard deviation of pearl millet yield are 20 Kg and 5 Kg respectively, the coefficient of variation will be :-
- 15%
- 20%
- 25%
- 30%
47. Selection generation after generation with the intercrossing of selects is :-
48. 2n - 2 represents :-
49. Number of stamens in rice flower are :-
50. Association between two independent variables is explained by :-
51. H.G. Khorana got Nobel Prize for his work on :-
52. How many different combinations of maternal and paternal chromosomes can be packaged in gametes made by an organism with a diploid number of 8 (2n = 8) ?
53. Minimum degree of freedom required to draw the valid results is :-
54. In balanced lethal system of fixation of heterosis :-
55. In crop improvement, heterosis can be partially exploited through :-
- Mass selection
- Full sib selection
- Half sib selection
- Recurrent selection
48. 2n - 2 represents :-
- Nullisomic
- Tetrasomic
- Trisomic
- Monosomic
49. Number of stamens in rice flower are :-
- 3
- 4
- 5
- 6
50. Association between two independent variables is explained by :-
- Regression
- Correlation
- Multiple Regression
- None of these
51. H.G. Khorana got Nobel Prize for his work on :-
- Breeding work on wheat
- Genetic code and gene synthesis
- Inheritance study in crop plants
- Statistical analysis of breeding work in maize
52. How many different combinations of maternal and paternal chromosomes can be packaged in gametes made by an organism with a diploid number of 8 (2n = 8) ?
- 2
- 4
- 8
- 16
53. Minimum degree of freedom required to draw the valid results is :-
- 8
- 10
- 12
- 14
54. In balanced lethal system of fixation of heterosis :-
- Homozygotes die
- Heterozygotes die
- Both Homozygotes and Heterozygotes die
- None of these
55. In crop improvement, heterosis can be partially exploited through :-
- Hybrid varieties
- Synthetic varieties
- Composite varieties
- Synthetic & composite varieties
56. A flanking marker is :-
57. Inbred lines from a cross between two inbred lines for gene mapping are referred to as :-
58. Molecular analysis of an individual genotype refers to :-
59. In Dominant gene action "dominance" applies to :-
60. The main genetic cause of genetic correlation is :-
61. Various crosses obtained by using a common tester are called as :-
62. In stability analysis b = 0 indicates :-
63. Bagging is done to :-
64. Which of the following design is used to test a large number of genotypes in a limited area ?
65. The genetic constitution of an organism is called :-
66. The International center for Genetic Engineering and Biotechnology is located at :-
67. In which of the gene action, the phenotype faithfully reflects the genotype :-
- Present on one side of the gene of interest
- Present on either side of the gene of interest
- Present in between of the gene of interest
- Present in between and on both side of the gene of interest
57. Inbred lines from a cross between two inbred lines for gene mapping are referred to as :-
- Recombinant inbred lines
- Inbred lines
- Top cross lines
- Test cross lines
58. Molecular analysis of an individual genotype refers to :-
- Genotyping
- Phenotyping
- Sequencing
- None of these
59. In Dominant gene action "dominance" applies to :-
- Relationship of genes at the same locus
- Relationship of genes at different loci
- Relationship of alleles at the same locus
- Relationship of alleles at different loci
60. The main genetic cause of genetic correlation is :-
- Pleiotropy
- Linkage
- Both pleiotropy and linkage
- None of these
61. Various crosses obtained by using a common tester are called as :-
- Single crosses
- Double crosses
- Three way crosses
- Test crosses
62. In stability analysis b = 0 indicates :-
- Average stability
- Above average stability
- Below average stability
- Absolute stability
63. Bagging is done to :-
- Avoid cross pollination
- Avoid self pollination
- Achieve desired pollination
- Prevent contamination from foreign pollen
64. Which of the following design is used to test a large number of genotypes in a limited area ?
- Randomized Block Design
- Augmented Design
- Latin Square Design
- Completely Randomized Design
65. The genetic constitution of an organism is called :-
- Genotype
- Trait
- Phenotype
- Genome
66. The International center for Genetic Engineering and Biotechnology is located at :-
- Kolkata
- Bengaluru
- New Delhi
- Chandigarh
67. In which of the gene action, the phenotype faithfully reflects the genotype :-
- Additive
- Dominance
- Additive X dominance
- Epistasis
68. Which of the following is not an ionizing radiation :-
69. Which of the following statement is/are true in relation to the Law of Segregation ?
70. When standard deviation is expressed in percent of mean, it is known as :-
71. How many homozygotes will be produced if a dihybrid Ab/aB is exposed to inbreeding ?
72. Transposon is also known as :-
73. In field crops, under PPV & FR Act, a variety can be protected maximum for :-
74. The fixable gene action is :-
75. The ratio of genetic covariance to the phenotypic covariance is referred to :-
76. Cross pollination facilitated by dichogamy is found in:-
77. The estimate of General Combining Ability and Specific Combining Ability effects in plant breeding are based on :-
78. Point mutation involves :-
79. Genetic purity of seed means freedom of seeds from:-
- X - rays
- UV -rays
- Cosmic - rays
- Alpha - rays
69. Which of the following statement is/are true in relation to the Law of Segregation ?
- Alleles separate from each other during gametogenesis
- The segregation of alleles is due to the segregation of
- Law of segregation is the law of purity of gametes
- All of these
70. When standard deviation is expressed in percent of mean, it is known as :-
- Variance
- Coefficient of variation
- Standard error of mean
- Critical difference
71. How many homozygotes will be produced if a dihybrid Ab/aB is exposed to inbreeding ?
- 2
- 4
- 6
- 8
72. Transposon is also known as :-
- Pseudo gene
- Jumping gene
- Conservative gene
- Co-integrate gene
73. In field crops, under PPV & FR Act, a variety can be protected maximum for :-
- 5 Years
- 10 Years
- 15 Years
- 20 Years
74. The fixable gene action is :-
- Additive x dominance
- Dominance
- Additive and additive x additive type of epistasis
- Additive and additive x dominance type of epistasis
75. The ratio of genetic covariance to the phenotypic covariance is referred to :-
- General combining ability
- Selection differential
- Co heritability
- Heritability
76. Cross pollination facilitated by dichogamy is found in:-
- Maize
- Pigeon pea
- Cotton
- All of these
77. The estimate of General Combining Ability and Specific Combining Ability effects in plant breeding are based on :-
- First order statistics
- Second order statistics
- Third order statistics
- Fourth order statistics
78. Point mutation involves :-
- Deletion
- Insertion
- Duplication
- Change in single base pair
79. Genetic purity of seed means freedom of seeds from:-
- Defective seeds
- Inert material
- Other distinguishable variety seeds
- weed seeds
80. In general resistance, the rate of pathogen reproduction is :-
81. How many growing seasons are required to complete one selection cycle in reciprocal recurrent selection ?
82. One of the important predictable feature of environment is :-
83. Triple test cross is an extension of :-
84. Einkorn is :-
85. Initial gene pool in development of synthetic variety consists of :-
86. Mapping populations are :-
87. Which of the following gene pool leads to production of fertile hybrids ?
88. Maize plant is a :-
89. Wind pollination is common in :-
90. Holandric genes are :-
91. Student's 't test' is used with :-
- Always zero
- Never zero
- Sometimes zero
- Frequently zero
81. How many growing seasons are required to complete one selection cycle in reciprocal recurrent selection ?
- 1
- 2
- 3
- 4
82. One of the important predictable feature of environment is :-
- Varying nitrogen doses
- Weather fluctuations
- Rain fall
- Floods
83. Triple test cross is an extension of :-
- NC Design I
- NC Design II
- NC Design III
- Diallel
84. Einkorn is :-
- Maize
- Rye
- Wheat
- Sorghum
85. Initial gene pool in development of synthetic variety consists of :-
- Population
- Pure line
- Inbreds
- Recombinant inbred line
86. Mapping populations are :-
- RILs
- FІ generation
- Inbreds
- Pure lines
87. Which of the following gene pool leads to production of fertile hybrids ?
- GP 1
- GP 2
- GP 3
- GP 4
88. Maize plant is a :-
- Monoecious
- Dioecious
- Hermaphrodite
- All of these
89. Wind pollination is common in :-
- Legumes
- Orchids
- Grasses
- Lilies
90. Holandric genes are :-
- Genes carried on autosomes
- Genes carried on X chromosomes
- Genes carried on Y chromosomes
- Genes carried on any chromosome
91. Student's 't test' is used with :-
- Paired observations
- Unpaired observations
- Paired and unpaired observations
- None of these
92. Baldness in humans is an example of :-
93. A bivalent consists of :-
94. The specific combining ability is estimated from :-
95. Where is the secondary center of origin of rye ?
96. Plant biotechnology involves :-
97. Cris - cross inheritance applies to which type of the gene inheritance :-
- Sex linked trait
- Sex influenced trait
- Sex limited trait
- Cytoplasmic inherited trait
93. A bivalent consists of :-
- Two chromatids and one centromeres
- Two chromatids and two centromeres
- Four chromatids and two centromeres
- Four chromatids and four centromeres
94. The specific combining ability is estimated from :-
- Half sib families
- Full sib families
- Single crosses
- Inbred lines
95. Where is the secondary center of origin of rye ?
- Afghanistan
- China
- Central America
- Hindustan
96. Plant biotechnology involves :-
- Production of valuable products from plants
- Rapid clonal multiplication of desired genotypes
- Production of virus free plants
- All of these
97. Cris - cross inheritance applies to which type of the gene inheritance :-
- Sex liked gene inheritance
- Sex influenced gene inheritance
- Sex limited gene inheritance
- Cytoplasmic inheritance
98. The humidity in atmosphere affects
99. Vascular cambium cells consists of
100. Consider the following statements
I Rust diseases are caused by some family members of uredinales.
II.Smut diseases are caused by some family members of ustilaginales.
III.Anthracnose disease in plants are caused by some family members of Melanoconiales.
IV. Powdery Mildew diseases are caused by the family members of Sphaeriales.
Which of the statements given above is/ are true ?
- respiration
- growth
- transpiration
- photosynthesis
99. Vascular cambium cells consists of
- Xylem initials and Phloem initials
- Fusiform initials and Ray initials
- Similar kind of cells
- Parenchyma cells.
100. Consider the following statements
I Rust diseases are caused by some family members of uredinales.
II.Smut diseases are caused by some family members of ustilaginales.
III.Anthracnose disease in plants are caused by some family members of Melanoconiales.
IV. Powdery Mildew diseases are caused by the family members of Sphaeriales.
Which of the statements given above is/ are true ?
- I and Ill are true
- Ill and IV are true
- Il and Ill are true
- I, II and III are true