The variety of genes and genotypes found in a particular crop special are_____________________?
A. Genetic diversity B. Genetic erosion C. Gene sanctuaries D. Field gene banks
Plant Breeding and Genetics MCQs
Primitive cultivars which are selected and cultivated by farmers for many years are___________________?
A. teriary gene pool B. Obsolete cultivars C. Land races D. Modern cultivars
Gradual reduction on genetic variability due to elimination of various () is called_______________________?
A. Centers of diversity B. Land races C. Genetic erosion D. Genetic diversity
Allogamy is the common form of________________________?
A. Inbreeding B. Out breeding C. Syn breeding D. All the above
Which generate variability_________________?
A. Mitosis B. Meiosis C. Peleiotropy D. None of the above
The term mitosis was coined by__________________?
A. Rimpu (1890) B. Nilson (1900) C. De Vilmorin (1856) D. Flemming (1882)
Development of embryo from egg cell without fertilization is known as___________________?
A. Apogamy B. Parthenogenesis C. Apospory D. Autogamy
Self pollination is associated with__________________?
A. Herkogamy B. Dichogamy C. Chasmogamy D. Homogamy
Mating system in which each female gamete () with every male gamete is known as____________________?
A. Genetic assortative mating B. Genetic disassortative mating C. Random mating D. None of the above
Male sterility in flowering plants was first reported is__________________?
A. Bateman (1952) B. Stout (1917) C. Koelreuter (1763) D. Braw baker (1958)