plant breeding and genetics MCQs – Page 5

Practise focused plant breeding and genetics questions with marked answers for exam preparation and subject revision.

plant breeding and genetics Mcqs
81. Maximum mutants varieties are evolved in_________________?
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A. Wheat

B. Rice

C. Maize

D. Barley

82. The concept of disruptive was given by____________________?
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A. None of the above

B. Morgan

C. Shull and East

D. Mather
83. In wheat, Hessian fly pest is genetically controlled by__________________?
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A. 1D

B. 2D

C. Cytoplasm

D. 5D + 5d
84. Fertilization in a flower occurs within the____________________?
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A. Ovule

B. Anther

C. Style

D. Pollen tube

85. Haploid plants have been produced by another culture in tomato by_________________?
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A. Tyagi and Prasad (1965)

B. Singh (1960)

C. Greshof and Doy (1972)

D. Mehta and Upadhya (1960)

86. Biometrics for the study of quantitative genetics was provided by ___________________?
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A. Mather

B. Fisher

C. Falconer

D. Hayman

87. Mutation was first discovered by________________?
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A. Wright (1791)

B. deVries (1900)

C. Morgan (1910)

D. Stadler (1928)

88. System of mating were given by_________________?
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A. Sewell Wright (1921)

B. Bruce and Keebel (1908)

C. Shall and East (1920)

D. Mather (1953)

89. Jumping gene was first discovered in______________________?
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A. Oenothera

B. Maize

C. Barley

D. Sorghum

90. Concept of disruptive selection was first developed by__________________?
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A. Grafius (1965)

B. Mather (9153)

C. Falconer (1960)

D. Thoday (1960)

91. The term self incompatibility was coined by________________?
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A. None of the above

B. East (1940)

C. Gerstel (1950)

D. Koelreuter (1763)

92. Artificial vegetative reproduction is done by_________________?
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A. All the above

B. Grafting

C. Layering

D. Budding

93. Neurotoxin is found in___________________?
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A. Sorghum

B. Lucem

C. Berseem

D. Pearl millet

94. Development of embryo from egg cell without fertilization is known as___________________?
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A. Apogamy

B. Autogamy

C. Apospory

D. Parthenogenesis
95. Plant breeder right are operating in____________________?
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A. 3 meters

B. 50 meters

C. Geneva

D. 200 meters
96. Increased flower size has made tetraploidy important for___________________?
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A. Agronomist

B. Horticulturist

C. Plant breeder

D. Pathologist

97. Plants having monoecious flowers are found in____________________?
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A. All the above

B. Caster

C. Colocasia

D. Maize

98. The term mitosis was coined by________________?
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A. De Vries and correns (1908)

B. Non of these

C. Flemming (1882)

D. Bruce and Keeble (1908)

99. The process of producing several indentical copies of a gene sequence referred to as__________________?
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A. Micro cloning

B. Gene splicing

C. Gene cloning

D. Gene sequencing

100. The term poly genes was coined by___________________?
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A. Hazel (1943)

B. Mather (1943)

C. Griffing (1956)

D. Yates (1947)