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MCQs

Total Questions : 74 | Page 7 of 8 pages
Question 61. . Which of the following mutant/(s) has/have increased amount of lysine and/or methionine in corn seeds?
  1.    Opaque-2
  2.    Sugary-1
  3.    Flory-2
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 62. . Which of the following is the class of hybridization?
  1.    Intervarietal
  2.    Interspecific
  3.    Intergeneric
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 63. . Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
  1.    Meloidogyne spp. nematodes
  2.    L. peruviaanum
  3.    both (a) and (b)
  4.    Solarium melongena
 Discuss Question
Answer: Option A. -> Meloidogyne spp. nematodes
Question 64. . Which of the following constituent/(s) is/are added to help in speedy generation of meristem culture in case of Ipomoea batatas improvement?
  1.    Auxins
  2.    Cytokinins
  3.    Both (a) and (b)
  4.    Adenine
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 65. . When the transposon jumps into an otherwise functional gene, it has the effect of
  1.    blocking correct transcription
  2.    initiating correct transcription
  3.    propagating correct transcription
  4.    initiating some genetic codes
 Discuss Question
Answer: Option A. -> blocking correct transcription
Question 66. . In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?
  1.    Acetyl Co A reductase
  2.    Polyhydroxybutyrate synthease
  3.    Both (a) and (b)
  4.    Pyrophosphorylase
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 67. . 
cDNA clone prepared to stigma mRNA of Brassica oleracea can be used as a probe on DNA digests of segregating populations to recognize
  1.    Aegilops
  2.    Triticum
  3.    Both (a) and (b)
  4.    S alleles
 Discuss Question
Answer: Option D. -> S alleles
Question 68. . Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards
  1.    Meloidogyne spp.nematodes
  2.    L. peruviaanum
  3.    both (a) and (b)
  4.    Solarium melongena
 Discuss Question
Answer: Option B. -> L. peruviaanum
Question 69. . Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
  1.    Meloidogyne spp. nematodes
  2.    L. peruviaanum
  3.    both (a) and (b)
  4.    Solarium melongena
 Discuss Question
Answer: Option A. -> Meloidogyne spp. nematodes
Question 70. . Cultivated tomato species (Lycopersicon esculentum) has a high degree of resistance towards
  1.    Meloidogyne spp.nematodes
  2.    L. peruviaanum
  3.    both (a) and (b)
  4.    Solarium melongena
 Discuss Question
Answer: Option B. -> L. peruviaanum

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