Agriculture MCQs

Page No. 96

Plants can be made disease resistant by___________________?


aColchicines treatment


bBreeding with the wild variety


cHeat treatment


dHormone spray



An individual with two identical members of a part of geneue factors is called__________________?


aHybrid


bHomozygous


cHeterozygous


dDominant


View Answer Homozygous

Maize has 10 pairs of chromosomes. how many linkage groups will be present if all the genes are mapped__________________?


a10


b20


c40


d15


View Answer 10

The process of transfer and deletion of several gene is_____________________?


aGene mutation


bChromosomal mutation


cMonoploldy


dSynapsis


View Answer Chromosomal mutation

Diagrammatic representation of the chromosomes of an organism arranged according to their size is called_____________________?


aIdeogram


bGene map


cKaryotype


dPhenotype


View Answer Ideogram

If a plant is heterozygousand is designated (BbMm)and produces two kinds of gametes either (BM)or (bm), then the possibility of (bm) gametes fertilizing either (BM) or (bm) is_________________?


aHalf


b0/1


c1/1


d1/4


View Answer Half

Two allelie genes are located on_______________________?


aTwo homologous chromosomes


bTwo non-homologous chromosomes


cAny two chromosomes with one each


dSame chromosomes



capsicum is a rich source of___________________?


aVitamin A


bVitamin C


cVitamin D


dNone of the above


View Answer Vitamin A

Heterosis results due to____________________?


aDominance


bOverdominance


cEpistasis


dAll of the above


View Answer All of the above

Gene for gene hypothesis was proposed by__________________?


aNelson (1973)


bFlor (1956)


cRobinson (1971)


dVander plank (1963)


View Answer Flor (1956)

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