Agriculture MCQs

Page No. 127

Mating between distantly related individuals is known as________________?


aInbreeding


bOut breeding


cAmphixis


dAll of the above


View Answer Out breeding

Allogamy is promoted by____________________?


aMale sterility


bDichiny


cHerkogamy


dAll of the above


View Answer All of the above

When pollination and fertilization occur in unopened flower bud it is known as__________________?


aChasmogamy


bCleistogamy


cHamogamy


dAll of the above


View Answer Cleistogamy

Artificial vegetative reproduction is done by_________________?


aGrafting


bBudding


cLayering


dAll of the above


View Answer All of the above

The term mitosis was coined by________________?


aFlemming (1882)


bDe Vries and correns (1908)


cBruce and Keeble (1908)


dNone of these


View Answer Flemming (1882)

Allogamy leads to___________________?


aHomozy gosity


bHeterozy gosity


cSegregation


dNone of the above


View Answer Heterozy gosity

System of mating were given by_________________?


aSewell Wright (1921)


bMather (1953)


cBruce and Keebel (1908)


dShall and East (1920)


View Answer Sewell Wright (1921)

A place or area where maximum variability of crop plants is observed__________________?


aGenetic diversity


bMicro centers


cGene sanctuaries


dCenters of diversity


View Answer Centers of diversity

Germplasm collected within the country is known as____________________?


aActive collection


bWorking collection


cIndigenous collection


dExotic collection


View Answer Indigenous collection

Gene pool consist of____________________?


aModern cultivars


bAdvanced breeding materials


cLand race


dAll of the above


View Answer All of the above

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