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ASRB (prelims)/NET/STO- 2021- Memory based questions Genetics and Plant Breeding

 


1. BLAST results are sorted based on: E value/bit score (length of Sequence similarity)?? 

2. F1- Heterozygous and homogeneous 

3. RRSCA proposed by -Hull 

4. Genome size – MAIZE (2500 mb)>Soyabean (1.1 mb)>Sorghum>Rice 

5. Number of crosses in Partial diallele- ns/2 

6. Chi-square test- (O-E)2/E 

7.  Insect resistance- Painter 

8.  Atlas variety-wheat 

9. William 22 is the variety - Soyabean 

10. Not true about haploids- They have sporophytic chromosome number 

11. Highly condensed stage- Metaphase 

12. Shortest phase- Anaphase 

13. Meotic drive- segregation distortion 

14. Simple recurrent selection original selection- 2 years 

15. Extension of NCD3- Triple test cross 

16. Normal embryo with cellular processes-Amphimixis 

17. VNTR in humans- finger printing 

18. Preferred markers for GWAS- SNP 

19. SSD method given by- Goulden 

20. Six parameter model- P1, P2, F1, F2, B1, B2 

21. Five parameter model doesn’t estimate- additive * dominance  (j) 

22. Arabidapsis: Rice:Pigeonpea genome size- 120:430: 840 mb 

23. WA- Rice cytoplasm 

24. NBPGR-1976 

25. RFLP- Codominant marker 

26. D2 statistics- Mahanalobis (1928) 

27. Variations in replication- Error variance/Experimental error 

28. Least efficient design- CRD 

29. Efficiency of design- CV 

30. Sqrt of variance- SD 

31. Correlation coefficient: -1 to 1 

32. Confounding and lattice design given by- Yates 

33. FLAVR SVR- antisense RNA 

34. Heat tolerance- chickpea 

35. Drought avoidance- High leaf water potential 

36. Not true about Vertical resistance- reduces pathogen reproduction 

37. Multilines is – mixture of  isogenic lines 

38. No oviposition and no colonization- Antixenosis 

39. Source of BPH resistance- O. nivara/O. officinalis 

40. Bee pollination in seed prodution- Pigeonpea  

41. Role of Seed inspector- all of the above 

42. Albuminous seeds- Castor 

43.Somaclonal low lathyrus Kesar variety- Ratan 

44. Sporophytic self incompatibility- When pollen falls on stigma 

45. Difference between Progeny of selected population- Genetic gain 

46. Steven and wilkins derived sex chromosome in which plant-  

47. Purification of improved variety- mass selection 

48. Varieties under public domain-Extant varieties 

49. Forward genetics- Phenotype-Protein-DNA/gene 

50. Synthetic variety performance is- Better than OPV 

51. Continents missed in vavillos centre of origin  - Australia 

52. Brassica juncea- Nigra * Compestris 

53. Monocistronics mRNA present in - Eukaryotes 

54. Recurrent Apomixis- Diploid 

55. Commercial hybrid not in - Groundnut 

56. RNa Polymerase-DNA synthesis- Mismatch 

57. False about Quantitative trait - Less influenced by environment 

58. Mendalian inheritance of quantitative traits- East first demonstrated 

59. Tissue specific promoter- TA29  

60. Seed Specific promoter -  

61. Transgene expression determined by- Reporter gene 

62. Middle Centromere: Metacentric and V shape 

63. Lysosome originates from- Golgi bodies 

64. One chromosome with two dna molecule – inter phase?? 

65. Selection coefficient- 1 : O% survival 

66. Two extreme phenotypes selected and Mated: Disruptive selection 

67. Cornerstone of plant breeding- Selection 

68. Anti-nutritional  factor in cassava- Cyanide/tannin/phytate?? 

69. Alverogram measures- gluten strength 

70. Green bug resistance in wheat-   Benzyl alchol 

71. active collection-  10-15 years , 0C and 8% 

72. Exchange of foreign genetic material- NBPGR 

73. Inter allelic interaction – Dominance variance 

74. Land races- not systematically evolved through breeding 

75. Notification of varieties- GOI 

76. Comparison between UPOV and PPVFRA- FARMER rights with no branding 

76. ITPGRFA- article?? 

77. Chromosome substitution-Using Monosomics 

78. AFLP marker- both PCR and RFLP based 

79. B chromosomes:  Supernumerary chromosomes 

80. Sugarcane and cotton??- major crops with CGIAR institute 

81. Maintainance breeding- breeder seed and nucleus seed 

82. Introns absent in- Pseudo genes?? 

83. Least Conserved  histone- H1 

84. Karry Mullis - PCR 

85. Virus free plants- shoot tip culture 

86. If plant is homozygous all genes what is recombination rate- ?? 

87. Karyotype after structural aberration: ?? 

88. Balance between male and female X chromosomes: Dosage compensation 

89. Physical mutagens causes - Ionisation 

90. Breeder seed derived from - nucleus seed 

91. Tag of breeder seed- Golden yellow 

92. Recalcitrant seed- Mango 

93. Chr no of sorghum and maize- 20 

94. Sorghum helepanse chromosome no-40 no. 

95. Trisomics?? 

95.  Mohan - salt tolerant rice variety 

96. No transgenic- small millets 

97. Monsanto developed first transgenic in- 1987 

98. Green leaf y vegetables deficient in: Methionine?? 

99. Use of antibiotics- Direct selection of plasmids 

100. Selfing reduces heterozygosity- 1/2 

101. Individual plant selection in Bulk: F6 

102. Canopy temperature- infrared thermometer 

103. GCA- F1 performance 

104. To break linkage - Large F2 

105. Embryo and organ  become callus- Dedifferentiation??? 

106. callus to  form shoot- caulogenenesis 

107. Tenim and baltimore- Reverse transcription 

108. Reverse transcription- Tumor inducing virus 

109. Sample of several means: F test 

110. Function of REC A: DNA repair ?? 

111. Enzyme which breaks mt Dna: ?? 

112. Lysine deficient in 

113. In-vitro culturing: all of the above 

114. Opaque-2-: maize 

115. Chromosome movement in prokaryotes-?? 

116. One step method allopolyploid- Somatic hybridization 

117. Somatic hybridization- Cybrids 

118. Why we choose plasmid:  self replicating?? 

119. Multiple copies of gene: Gene cloning 

120. Host specificity is present in – plasmid based gene transfer 

121. Bioversity conservation - all crops?? 

122. A4 cytoplasm source in pigeon pea: Cajanus cajan 

123. Breeding scheme to handle wide crosse- Backcross 

124. Klenifeter syndrome: XXY 

125. Gynoecium damage- Hand emasculation/Alcohol treatment 

126. Covariance estimates used for - genotypic phenotypic and environmental 

covariance’s 

127. Additive variance- Heritable & fixable 

128. Barr bodies-?? 

129. Degree of expression and presence of gene: Expressivity and penetrance 

130. Weed in wheat- convolvulaceae vulgaris 

131. Source of herbicide resistance in wheat- ?? 

132. Wheat hexaploid: ABD genome 

133. Cytoplasmic inheritance- do not follow mendalian inheritance 

134. Central dogma- Crick 

135. Cullinery  brassica:  

136. Brittle variety - maize 

137. Diploid Cotton: Gossypium aerborium 

138. Ear pearcing : Theory of acquired characters 

139. Both fixed and  random factors: Mixed effect model 

140. Not independent but related:  Paired t test

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