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.Management Sciences
Category: Plant Pathology
The sucking type insects of cotton are________________?
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A. Jassids and thrips
B. Wlutefly and jassids
C. Thrips and whitefly
D. All the above
Collar rot in chilies is caused by___________________?
A. Rhizowhtnia solani
B. phytophilorea infesta
C. phytophithoua spri
D. phytophytora cupri
The popular insecticides of organo-chlorine group are________________?
A. Malathion and thrips
B. Leaf minors
C. DDT & BHC
D. Naled
Pathogen is_________________?
A. Fungi which cause disease
B. Any bacteria which causes disease
C. Any virus which causes disease
D. Any organism which causes disease
The insecticides with longest residual effect belongs to___________________?
A. Pyrethroid
B. Carbamates
C. Organo-chlorine
D. Organio-phosphate
Organo-chlorine insecticides includes___________________?
A. DDT
B. Aldrin and Diehydrin
C. Aindone and Heptachlor
D. All the above
The insects which transfer disease from one plant to another is known as__________________?
A. Disease transmitter
B. Vector
C. Pest
D. Parasite
The symptoms of powdery mildew appears on________________?
A. Roots
B. Floral parts
C. Foliage of plants
D. ()
The my co toxins are poisonous substance produced by__________________?
A. Bacteria
B. Plants
C. Fungi
D. None of the above
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