Agriculture MCQs

Page No. 122

Male sterility in flowering plants was first reported is__________________?


aBateman (1952)

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bStout (1917)

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cKoelreuter (1763)

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dBraw baker (1958)

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View Answer Koelreuter (1763)

Mating system in which each female gamete () with every male gamete is known as____________________?


aGenetic assortative mating

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bGenetic disassortative mating

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cRandom mating

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dNone of the above

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View Answer Random mating

Self pollination is associated with__________________?


aChasmogamy

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bDikogamy

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cHerkogamy

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dHomogamy

✓


View Answer Homogamy

Development of embryo from egg cell without fertilization is known as___________________?


aApogamy

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bParthenogenesis

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cApospory

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dAutogamy

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View Answer Parthenogenesis

The term mitosis was coined by__________________?


aRimpu (1890)

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bNilson (1900)

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cDe Vilmorin (1856)

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dFlemming (1882)

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View Answer Rimpu (1890)

Which generate variability_________________?


aMitosis

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bMeiosis

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cPeleiotropy

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dNone of the above

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View Answer Meiosis

Allogamy is the common form of________________________?


aInbreeding

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bOut breeding

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cSyn breeding

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dAll of the above

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View Answer Out breeding

Gradual reduction on genetic variability due to elimination of various () is called_______________________?


aCenters of diversity

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bLand races

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cGenetic erosion

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dGenetic diversity

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View Answer Genetic erosion

Primitive cultivars which are selected and cultivated by farmers for many years are___________________?


ateriary gene pool

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bObsolete cultivars

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cLand races

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dModern cultivars

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View Answer Land races

The variety of genes and genotypes found in a particular crop special are_____________________?


aGenetic diversity

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bGenetic erosion

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cGene sanctuaries

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dField gene banks

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View Answer Genetic diversity

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