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Plant Pathology-6

Q.1
Tikka disease of groundnut is caused by_________.

Fusarium
Verticillium
Cercospora


Q.2
Which of the following is a pseudo rust ?
Black rust of wheat
Brown rust of wheat
White rust of crucifers


Q.3
The whip smut of sugarcane is caused by____________.
Ustilago maydis
Ustilago scitaminea
Ustilago hordei


Q.4
The rusts are caused by_________.
Ustilaginales
Uredinales
Peronosporales


Q.5
Which of the following disease of pigeonpea is caused by virus ?
Sterility
Wilt
Stem canker


Q.6
Karnal bunt was first reported by_______.
Mitra
Dowson
Desai

Q.7
“Pokkan-Boeng” disease caused by Gibberella fujilkoroi is associated with_________.

Rice
Sugarcane
Wheat


Q.8
Rice blast is also known as___________.
Rotten neck
Rice fever disease
Both


Q.9
‘Smut’ is common in______________.
Wheat
Rice
Mustard


Q.10
The carrier of ‘Ergot’ of bajra is__________.
Air
Seed
Both


Q.11
Bud-necrosis of groundnut is transmitted by_____.
Thrips
Whitefly
Aphid


Q.12
The grain smut of sorghum is also known as_______.
Covered smut
Short smut
Both


Q.13
The wilt of cotton is_______.
Seed borne
Soil borne
Both


Q.14
Smut disease infect the plant at______.
Seedling stage
Embryo stage
Tillering stage


Q.15
Solar heat treatment is used to control________.
Loose smut of wheat
Covered smut of barley
Smut of sorghum


Q.16
Tilletia causes_________.
Rust
Smut
Downy mildew


Q.17
The first recognized virus disease of plants in world is__________.
Tobacco mosaic
Cucumber mosaic
Yellow vein mosaic


Q.18
The annual reoccurrence of rust of wheat (black rust) in the plains is through__________.
Uredospores
Teleutospores
Basidiospores


Q.19
White rust of crucifers is called pseudo rust because_________.
The causal organism does not belong to rust family
The disease occur on members of family crucifers
The color of the pustule is not brown


Q.20
Common disease caused by the members of uredinales is_________.
Rust
Smut
Both


Q.21
The incidence of which disease increases with increased supply of nitrogen ?
Rice blast
Cotton wilt
Both


Q.22
White rust fungus ‘Albugo candida’ belongs to_________.
Basidiomycetes
Oomycetes
Deuteromycetes


Q.23
Which fungi is recognized as “corruption of wheat” ?
Smut fungi
Rust fungi
Mildews


Q.24
Which stage of the wheat rust fungus is considered as the perfect stage ?
Uredial stage
Telial stage
Pycnial stage


Q.25
Sugarcane crop appears dry and on splitting the cane white and red bunds are seen with foul smell. The disease is_________.
Red rot
Whip smut
Wilt

Number of score out of 25 = Score in percentage =


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