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Plant Breeding and Genetics Test I


Plant breeding, botony, biology, agriculture related questions and answers for FPSC, PPSC, PMS, CSS, NTS, SPSC and other tests, A complete guide for students and job seekers


Plant Breeding and Genetics Test I

Select one option out of four given options

  1. Genetic male sterility is controlled by;




  2. 3

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  3. Anthesis starts in wheat at_________?




  4. 4

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  5. Anthesis starts in Allium cepa at_________?




  6. 1

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  7. Rice flower have:




  8. 1

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  9. Plants having monoecious flowers found in;




  10. 4

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  11. Diocious plant is:




  12. 4

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




  14. 1

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




  16. 4

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




  18. 1

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




  20. 3

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  21. The term mitosis was coined by;




  22. 4

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  23. Vegetative reproduction done by;




  24. 4

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




  26. 2

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




  28. 2

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  29. Self pollination is associated with;




  30. 4

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  31. Allogamy is promoted by;




  32. 4

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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;




  34. 3

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  35. Mating between distantly related individuals is known as;




  36. 2

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




  38. 3

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  39. The term self incompatibility was coined by;




  40. 3

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  41. The term meiosis was coined by;




  42. 1

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  43. Which generate variability;




  44. 2

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  45. Allogamy leads to;




  46. 2

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  47. Allogamy is a common form of;




  48. 2

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  49. System of mating were given by;




  50. 1

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




  52. 3

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




  54. 4

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




  56. 3

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




  58. 1

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  59. Germplasm collected within the country is known as;




  60. 3

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  61. Protein contents in barley is higher than;




  62. 1

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




  64. 1

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




  66. 3

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




  68. 1

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  69. ICARDA headquarters is located at;




  70. 2

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  71. Law of parallel variation was given by;




  72. 3

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  73. Ploidy Level of Wheat is;




  74. 3

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  75. The CGIAR headquarters is located at;




  76. 1

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  77. International Institute for Tropical Agriculture is located at;




  78. 3

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




  80. 1

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  81. Global rice gene pool is maintained at;




  82. 2

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




  84. 2

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




  86. 3

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  87. Global Sorghum gene bank is located at;




  88. 1

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  89. Global gene bank of potato is located at;




  90. 2

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  91. Global gene bank of barley is located at;




  92. 1

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  93. Conservation of germplasm under natural condition is called;




  94. 1

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




  96. 3

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  97. Gene pool consist of;




  98. 4

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




  100. 1

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




  102. 3

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




  104. 1

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




  106. 1

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




  108. 1

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  109. Various crosses made using a common tester are;




  110. 1

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




  112. 2

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  113. Low magnitude of Genotype x environmental interaction indicate;




  114. 1

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  115. Jumping genes was first discovered in;




  116. 1

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  117. Split gene was first reported in;




  118. 3

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




  120. 2

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  121. Who coined the term genetic flexibility and phenotypic flexibility




  122. 2

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




  124. 4

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  125. High value of genetic advance indicated;




  126. 4

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  127. Analysis of covariance permits estimation of;




  128. 4

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  129. Discriminant function of plant selection was suggested by




  130. 1

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  131. The term homeostasis was coined by;




  132. 1

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




  134. 3

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




  136. 1

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  137. The term poly genes was coined by;




  138. 3

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  139. Convergent improvement was proposed by;




  140. 2

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  141. The term recurrent selection was given by




  142. 1

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  143. Reciprocal recurrent selection was proposed by;




  144. 2

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  145. The term Plasmids was first coined by;




  146. 2

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  147. Hessian fly is pest of;




  148. 1

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  149. Concept of generation mean analysis was developed by;




  150. 1

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




  152. 2

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




  154. 2

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  155. Concept of biparental mating was developed by;




  156. 4

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  157. Concept of Path Coefficient was given by;




  158. 1

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  159. Genetic male sterility is controlled by.




  160. 3

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  161. Cytoplasmic male sterility is governed by;




  162. 1

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  163. Cytoplasmic genetic male sterility was discovered by;




  164. 1

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  165. Herkogamy is found in;




  166. 2

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  167. Protandary is found in;




  168. 3

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




  170. 1

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  171. RFLPs and RAPD are helpful in;




  172. 4

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  173. Prepotency increased with the increase in;




  174. 2

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  175. Soma clones released for commercial cultivation in;




  176. 2

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




  178. 2

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  179. Pure line theory was developed by;




  180. 4

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  181. The concept of multiline variety was given by;




  182. 1

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  183. Concept of disruptive selection was first given by;




  184. 2

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  185. The heterogeneous population include;




  186. 4

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  187. Homozygous population include




  188. 3

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  189. Mass pedigree method was developed by




  190. 1

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  191. Single seed descent method was suggested by;




  192. 1

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




  194. 2

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




  196. 2

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  197. Genetic Selection was proposed by;




  198. 1

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