Question 21: Collateral host of pearl millet ergot is
A) Cenchrus
B) Paddy
C) Wheat
D) Barley
Question 22: Ephestia cautella in brinjal is a
A) Primary pest
B) Field pest
C) Secondary pest
D) Storage pest
Question 23: Ascochyta blight of bean is caused by
A) Ascochyta phaseolorum
B) Macrosiphum pisi
C) Xanthomonas spp.
D) Colletotrichum lindemuthianum
Question 24: Ephestia cautella larvae is attacked by
A) Bracon hebetor
B) Plodia
C) Trichoderma
D) NPV
Question 25: Scientific name of lesser grain borer
A) Exerohilium oryzae
B) Bruchids
C) Rhizopertha dominica
D) Tribolium castaneum
Question 26: Rhizopertha dominica is a
A) Feeder of germ
B) External feeder
C) Internal feeder
D) Feeds on storage tissues
Question 27: In rice seeds, Curvularia causes
A) Black discoloration
B) Eye-shaped discoloration
C) Brown discoloration
D) Round-shaped discoloration
Question 28: Exerohilium oryzae in rice causes
A) Black discoloration
B) Eye-shaped discoloration
C) Brown discoloration
D) Round-shaped discoloration
Question 29: Light pink discoloration in seeds is due to
A) Colletotrichum capsici
B) Alternaria alternate
C) Fusarium moniliforme
D) Exerohilium oryzae
Question 30: Presence of dark brown spots in seed is due to
A) Fusarium moniliforme
B) Alternaria alternate
C) Colletotrichum capsici
D) Exerohilium oryzae

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