Plant Breeding and Genetics Test I


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Plant Breeding and Genetics Test I

Select one option out of four given options

  1. Genetic male sterility is controlled by;




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  3. Anthesis starts in wheat at_________?




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  5. Anthesis starts in Allium cepa at_________?




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  7. Rice flower have:




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  9. Plants having monoecious flowers found in;




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  11. Diocious plant is:




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  13. Self incompatibility which is controlled by the two genes is found in;




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  15. Self incompatibility which is controlled by the single gene in some species of;




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  17. Self incompatibility in which the genes express in the style known as;




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  19. Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as




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  21. The term mitosis was coined by;




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  23. Vegetative reproduction done by;




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  25. Development of an embryo from egg cell without fertilization is known as;




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  27. When pollination and fertilization occur in unopened flower bud it is known as;




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  29. Self pollination is associated with;




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  31. Allogamy is promoted by;




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  33. Mating system in which each female gamete have equal chance to be fertilized with any male gamete is known as;




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  35. Mating between distantly related individuals is known as;




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  37. Male sterility in flowering plants was first reported by;




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  39. The term self incompatibility was coined by;




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  41. The term meiosis was coined by;




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  43. Which generate variability;




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  45. Allogamy leads to;




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  47. Allogamy is a common form of;




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  49. System of mating were given by;




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  51. Gradual reduction in genetic variability due to elimination of various genes is called;




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  53. A place or area where maximum variability of crop plants is observed;




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  55. Primitive cultivars which are selected and cultivated by the farmers for many years are;




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  57. The variety of genes and genotypes found in particular crop species are;




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  59. Germplasm collected within the country is known as;




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  61. Protein contents in barley is higher than;




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  63. The first ever inter generic cross has been successfully performed between bamboo and sugarcane by;




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  65. Shull and East (1908) proposed over dominance hypothesis of hetrosis in




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  67. The first artificial hybridization in fruit crops was done by;




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  69. ICARDA headquarters is located at;




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  71. Law of parallel variation was given by;




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  73. Ploidy Level of Wheat is;




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  75. The CGIAR headquarters is located at;




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  77. International Institute for Tropical Agriculture is located at;




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  79. Germplasm gene banks for different crop plants in the world are;




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  81. Tea, Coffee and Mango seeds can not be stored in seed banks because they drastic loss in viability with decrease in; moisture content below




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  83. Global rice gene pool is maintained at;




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  85. Germplasm which is meant for short term storage (3 to 5 years) is known as;




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  87. In the long term storage germplasm can be stored upto;




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  89. Global Sorghum gene bank is located at;




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  91. Global gene bank of potato is located at;




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  93. Global gene bank of barley is located at;




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  95. Conservation of germplasm under natural condition is called;




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  97. Seeds which dried at low moisture content and stored at low temperature without losing their viability are;




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  99. Gene pool consist of;




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  101. Concept of combining ability as measure of gene action was first proposed by;




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  103. In line x Tester cross each male is crossed with;




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  105. In hald diallel total crosses among parents are equal to;




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  107. Biometrics for the study of quantitative genetics was provided by;




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  109. Estimation of correlation from error variance and co-variances's is;




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  111. Various crosses made using a common tester are;




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  113. Ratio of genotypic covariance to the phenotypic covariance is;




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  115. Low magnitude of Genotype x environmental interaction indicate;




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  117. Jumping genes was first discovered in;




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  119. Split gene was first reported in;




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  121. Ratio of the additive variance to the phenotypic variance is called;




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  123. Who coined the term genetic flexibility and phenotypic flexibility




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  125. Specific combining ability is a primarily a function of;




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  127. High value of genetic advance indicated;




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  129. Analysis of covariance permits estimation of;




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  131. Discriminant function of plant selection was suggested by




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  133. The term homeostasis was coined by;




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  135. The term micro and macro environment was given by;




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  137. The concept of triple test cross of analysis was developed by;




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  139. The term poly genes was coined by;




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  141. Convergent improvement was proposed by;




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  143. The term recurrent selection was given by




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  145. Reciprocal recurrent selection was proposed by;




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  147. The term Plasmids was first coined by;




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  149. Hessian fly is pest of;




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  151. Concept of generation mean analysis was developed by;




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  153. Genetic Correlation between two variables may be due to;




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  155. Difference between mean phenotypic value of the progeny of selected plants and the parental population is known as;




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  157. Concept of biparental mating was developed by;




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  159. Concept of Path Coefficient was given by;




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  161. Genetic male sterility is controlled by.




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  163. Cytoplasmic male sterility is governed by;




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  165. Cytoplasmic genetic male sterility was discovered by;




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  167. Herkogamy is found in;




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  169. Protandary is found in;




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  171. Pomato is produced by the grafting of potato and ------ plant




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  173. RFLPs and RAPD are helpful in;




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  175. Prepotency increased with the increase in;




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  177. Soma clones released for commercial cultivation in;




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  179. The isolation of DNA sequence for the purpose of producing several similar copies of a gene sequence refer to as;




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  181. Pure line theory was developed by;




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  183. The concept of multiline variety was given by;




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  185. Concept of disruptive selection was first given by;




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  187. The heterogeneous population include;




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  189. Homozygous population include




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  191. Mass pedigree method was developed by




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  193. Single seed descent method was suggested by;




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  195. The most effective method for the transfer of oligogenic characters




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  197. The concept of diallel selective mating was developed by;




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  199. Genetic Selection was proposed by;




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