plant breeding and genetics MCQs – Page 4

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

plant breeding and genetics Mcqs
61. Mass pedigree method was developed by__________________?
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A. Vilomorin (1980)

B. Allard (91400

C. Falconer (1960)

D. Harrington (1973)
62. Concept of triple test cross of analysis was developed by____________________?
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A. Anderson (1957)

B. Mather (1949)

C. Kearsey and Jinks (1960)

D. Fisher (1960)

63. Global gene bank of Potato is located at_____________________?
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A. CIP Peru

B. Florida

C. None of the above

D. Columbia

64. Who coined the term genetic flexibility and phenotypic flexibility___________________?
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A. Thoday (1953)

B. Muller (1950)

C. Salisbury (1940)

D. Hardy (1908)

65. Somatic hybrid Pomato was produced by fusion between potato and tomato by__________________?
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A. Melchers et al (1978)

B. Sam Norum (1976)

C. Guha and Maheshwari (1974)

D. Glebe and Hoffmann (1979)

66. Allogamy is the common form of________________________?
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A. Syn breeding

B. Out breeding

C. All the above

D. Inbreeding

67. In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?
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A. Top cross

B. Poly cross

C. Hybrid

D. Inbred
68. Allogamy leads to___________________?
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A. none of the above

B. Homozy gosity

C. Heterozy gosity

D. Segregation

69. Nutritional quality breeding deals with genetic improvement in__________________?
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A. All the above

B. Protein

C. Oil

D. Vitamin

70. RELPs, RAPD are helpful in________________?
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A. Identify new genes

B. Gene mapping

C. All the above

D. Gene sequencing

71. High values of genetic advance are indicative of____________________?
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A. Additive gene action

B. non-additive gene action

C. Partial dominance gene action

D. Dominance gene action

72. A healthy plant not selling seed may be due to____________________?
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A. Self incompatibility

B. Female sterility

C. All the above

D. Male sterility
73. In sunflower, production of foundation seed requires as isolation___________________?
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A. 800 meters

B. 400 meters

C. 100 meters

D. 200 meters

74. A heterogeneous population include_______________?
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A. Composites

B. Multi lines

C. All the above

D. Synthetic

75. Edible part of orange is__________________?
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A. Unexcelled endocarp hair

B. Multicelled endocarpic hair

C. Unicelled placenta hairs

D. Multicelled placental hairs

76. The first ever inter generic crossed has been successfully performed between bamboo and sugarcane by_______________________?
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A. T.S. Verma

B. R.S. Paroda

C. R.B. Singh

D. T.S. Venkatraman
77. Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
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A. None of the above

B. Maize

C. wheat

D. Barley

78. The experimental design which controls fertility variation in two directions in known as_________________?
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A. RBD

B. LSD

C. AD

D. SPD

79. Various crosses made using a common tester are__________________?
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A. Top crosses

B. Biparental cross

C. Test cross

D. Double cross

80. Analysis of covanance permits estimation of_____________________?
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A. All the above

B. Genotypic convanance

C. Environmental covanance

D. Phenotypic covanance