Fungi, which can grow on living host plant, are called:
A.Obligate saprophyte
B.Obligate parasite
C.Facultative parasite
D.Saprophytes
Category: Agriculture Plant Pathology Mcqs
Brown spot of maize is caused by:
A.Sclerospora sorghi
B.Physoderus zeamaydis
C.Alternaria solani
D.Cercospora perfonats
Botulism is caused by species of:
A.Bacillus
B.Pseudomonas
C.Agrobacterium
D.Clostridium
Leaf roll of potato is transmitted by:
A.M. persicae
B.M. pseudosolani
C.M. circumflexum
D.All above
Bacterial leaf blight of rice caused by Xanthomonaso ryzae can be identified by:
A.Wilting of the plant
B.Yellowing of leaves
C.Ooze test
D.Defoliation
Cocci are:
A.Spiral shaped
B.Spherical shaped
C.Rod shaped
D.None of the above
Powdery mildew fungi belong to the family:
A.Erysiphaceae
B.Hypocereaceae
C.Hypomycetaceae
D.Nectriaceae
Meloidogyne belongs to group of:
A.Ecotoparasite
B.Endoparasite
C.Semi-ectoparasite
D.Semi-endoparasite
In fermentation industry, pasteurization is done at _____ temperature:
A.90.7 ?C
B.100.0 ?C
C.62.8 ?C
D.80.0 ?C
Yellow pigment in the culture is produced by:
A.Pseudomonas
B.Xanthomononas
C.Erwinia
D.Agrobacterium
