Question 41: The viability period of pea pod spot pathogen is
A) 6 months
B) 6 years
C) 6 weeks
D) 6 days
Question 42: Black rot of cabbage is caused by
A) Fungi
B) Bacteria
C) Virus
D) Nematode
Question 43: A sudden outbreak of bacterial blight of rice occurred in Bihar during
A) 1972
B) 1962
C) 1968
D) 1980
Question 44: Seedling blight of maize was first observed in India during
A) 1957
B) 1975
C) 1960
D) 1963
Question 45: Allium seeds are given with phytosanitary certificate for the disease
A) Smut
B) Bulb rot
C) Silver shoot
D) All
Question 46: Urocystis cepulae causes
A) Onion smut
B) Blackleg
C) Leaf spot
D) Soft rot
Question 47: Without a phytosanitary certificate for smut disease, onion seeds cannot be exported to
A) Thailand
B) Malaysia
C) Singapore
D) Pakistan
Question 48: Presence of a pathogen on the surface of the seed is termed as
A) Admixture
B) Infestation
C) Infection
D) Contamination
Question 49: Storage pest of Shorea robusta is
A) Sitophilus
B) Bruchids
C) Agathiphaga
D) Caryedon
Question 50: Designated diseases of Tomato
A) Leaf blight and mosaic
B) Early blight and leaf spot
C) Leaf spot and little leaf
D) Little leaf and early blight

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