Agriculture MCQs

Page No. 96

Plants can be made disease resistant by___________________?


aColchicines treatment

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bBreeding with the wild variety

✓


cHeat treatment

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dHormone spray

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


aHybrid

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bHomozygous

✓


cHeterozygous

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dDominant

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View Answer Homozygous

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


a10

✓


b20

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c40

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d15

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View Answer 10

The process of transfer and deletion of several gene is_____________________?


aGene mutation

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bChromosomal mutation

✓


cMonoploldy

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dSynapsis

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View Answer Chromosomal mutation

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


aIdeogram

✓


bGene map

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cKaryotype

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dPhenotype

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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

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c1/1

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d1/4

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View Answer Half

Two allelie genes are located on_______________________?


aTwo homologous chromosomes

✓


bTwo non-homologous chromosomes

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cAny two chromosomes with one each

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dSame chromosomes

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capsicum is a rich source of___________________?


aVitamin A

✓


bVitamin C

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cVitamin D

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dNone of the above

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View Answer Vitamin A

Heterosis results due to____________________?


aDominance

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bOverdominance

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cEpistasis

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dAll of the above

✓


View Answer All of the above

Gene for gene hypothesis was proposed by__________________?


aNelson (1973)

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bFlor (1956)

✓


cRobinson (1971)

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dVander plank (1963)

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View Answer Flor (1956)

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