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MCQs

Total Questions : 391 | Page 7 of 40 pages
Question 61. Primitive cultivars which are selected and cultivated by farmers for many years are___________________?
  1.    teriary gene pool
  2.    Obsolete cultivars
  3.    Land races
  4.    Modern cultivars
 Discuss Question
Answer: Option C. -> Land races
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 62. The variety of genes and genotypes found in a particular crop special are_____________________?
  1.    Genetic diversity
  2.    Genetic erosion
  3.    Gene sanctuaries
  4.    Field gene banks
 Discuss Question
Answer: Option A. -> Genetic diversity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 63. Development of embryo from egg cell without fertilization is known as___________________?
  1.    Apogamy
  2.    Parthenogenesis
  3.    Apospory
  4.    Autogamy
 Discuss Question
Answer: Option B. -> Parthenogenesis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 64. Gradual reduction on genetic variability due to elimination of various () is called_______________________?
  1.    Centers of diversity
  2.    Land races
  3.    Genetic erosion
  4.    Genetic diversity
 Discuss Question
Answer: Option C. -> Genetic erosion
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 65. Self pollination is associated with__________________?
  1.    Herkogamy
  2.    Dichogamy
  3.    Chasmogamy
  4.    Homogamy
 Discuss Question
Answer: Option D. -> Homogamy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 66. Allogamy is the common form of________________________?
  1.    Inbreeding
  2.    Out breeding
  3.    Syn breeding
  4.    All the above
 Discuss Question
Answer: Option B. -> Out breeding
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 67. Which generate variability_________________?
  1.    Mitosis
  2.    Meiosis
  3.    Peleiotropy
  4.    None of the above
 Discuss Question
Answer: Option B. -> Meiosis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 68. The term mitosis was coined by__________________?
  1.    Rimpu (1890)
  2.    Nilson (1900)
  3.    De Vilmorin (1856)
  4.    Flemming (1882)
 Discuss Question
Answer: Option A. -> Rimpu (1890)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 69. Male sterility in flowering plants was first reported is__________________?
  1.    Bateman (1952)
  2.    Stout (1917)
  3.    Koelreuter (1763)
  4.    Braw baker (1958)
 Discuss Question
Answer: Option C. -> Koelreuter (1763)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 70. Mating system in which each female gamete () with every male gamete is known as____________________?
  1.    Genetic assortative mating
  2.    Genetic disassortative mating
  3.    Random mating
  4.    None of the above
 Discuss Question
Answer: Option C. -> Random mating
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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