Agriculture MCQs

Page No. 238

The insects which transfer disease from one plant to another is known as__________________?


aDisease transmitter


bVector


cPest


d Parasite


View Answer Vector

The insecticides with least mammalian toxicity are____________________?


aOrgano-phosphate


bOrgano-chlorine


cPyrethroids


dCarbamates


View Answer Pyrethroids

Malathrion and Parathion insecticides belongs to_________________?


aOrgano-chlorine group


bPyrethroid group


cCarbamate group


dOrgano-phosphate


View Answer Organo-phosphate

Stalk root of onion is caused by________________?


aFungi


bBacteria


cNematodes


dGassicls


View Answer Bacteria

Viral disease can be controlled by __________________?


aFungicides


b Cultural practices


cCultural practices and growing resistant varieties


dCan not be controlled



The factors which induces disease outbreak is________________?


aHigh temperature


bHigh humidity


c Susceptible varieties


dAll the above


View Answer All the above

The symptoms of powdery mildew appears on________________?


aRoots


bFloral parts


cFoliage of plants


d ()


View Answer Foliage of plants

the most devastating migratory pest is____________________?


a Cutworm


bArmy worm


cLocust


dNone of the above


View Answer Locust

The beneficial relationship between two organisms living together is called__________________?


aOsmosis


bCommon salism


cSymbiosis


dNone of the above


View Answer Symbiosis

Heliothus armigera is the name of_____________________?


aAmerican boll warm


bGram pod borer


cCom cob borer


dNone of the above


View Answer None of the above

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