Question 11: Lesser grain borer is the storage pest of
A) Rice
B) Sorghum
C) Spices
D) Pulses
Question 12: Musty odour and dust in seed storage godown indicates the presence of
A) Indian meal moth
B) Mites
C) Grain weevils
D) None
Question 13: The storage pest of wheat is
A) Khapra beetle
B) Cigarette beetle
C) Lesser grain borer
D) Pulse beetle
Question 14: Objectionable disease in sesame is
A) Downy mildew
B) Powdery mildew
C) Cercospora leaf spot
D) Septoria leaf blight
Question 15: Scale is the objectionable insect pest of
A) Potato
B) Tapioca
C) Cowpea
D) Tomato
Question 16: PCNB media is most useful in detection of fungal species
A) Aspergillus spp
B) Pythium spp
C) Penicillium spp
D) Fusarium spp
Question 17: Bacterial pathogen associated with seed is detected through
A) ELISA
B) Electrophoresis
C) HPLC
D) RAPD
Question 18: Karnal bunt of wheat can be identified by
A) NaOH soaking test
B) Blotter method
C) PCNB
D) Agar plate method
Question 19: Double diffusion test is used for the detection of
A) Seed borne bacteria
B) Seed borne nematodes
C) Seed borne viruses
D) None
Question 20: Black color discoloration in wheat seed is due to the infection of
A) Tilletia indica spp.
B) Alternaria spp.
C) Cercospora spp.
D) Aspergillus spp.

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