Agriculture MCQs

Page No. 238

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


aDisease transmitter

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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

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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

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bGram pod borer

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cCom cob borer

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dNone of the above

✓


View Answer None of the above

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