The founder of mycology
Linnaeus
Anton de Bary
PA Micheli
E J Butler
In india , Green ear disease of sorghum was identified by
Adolf Mayer
E F Smith
MK Patel
T J Burrill
Phytoplasma can cause plant disease was reported by
T . O Diener
Doi .et al
Kassanis
B . B Mudkar
Satellite virus was first discovered by
Kassanis
T O Diener
F . C Bawden
None
The Ireland Famine was due to …
Early blight of potato
Late blight of potato
PVX
None
Indian Phytopathological Society was established by
E J Bulter
R N Tandon
BB Mundkar
None
Transduction of bacteria was first demonstrated by
Zinder and Lederberg
Grifith
FdHerelle
Muller
Fungi and disease in plants was written by
B BMundkur
KC Mehta
E J Bulter
None
The first antibiotic was ..
Penicillin
Streptomycin
Tetracycline
None
Life cycle of wheat rust in india was written by
E.J Bulter
M J Thriumalachur
R N Tandon
None
The first plant parasitic nematode was reported by
Needham
N .A Cobb
Spallanzani
None
Bordeaux mixture was discovered
I .B Prevost
M . Tillet
Anton de Bary
None
The scientists who introduced the term “Viroid”
Doi et . al
B .Kassains
T. O Diener
None
The Great Bengal famine was during
1940 -41
1940-46
1942 – 43
1945 - 46
Sulphur was used for the first time against peach mildew by
Prevost 1807
Robertson 1821
Schulthess 1761
None
Which one is not correct
Burgundy mixture – E. Masson
Mercuric Chloride – Hilther
Captan – Tisdale
Carbamates – Tisdale
DIPA passed in
1660
1912
1951
1914
Vertical and horizontal resistance by
Vanderplanks
H.H Flor
K. M Smith
E J Bulter
Domestic quarantine exixts on
Rice blast
Red rot of sugarcance
Late blight of potato
Wart of potato
Dithane M-45 is a
Bacteriocide
Insecticide
Fungicide
Nematicide
Exclusion of plant by legislation is know is
Plant quarantine
Disease resistance
Culture control
Biological control
Apothecia are found in
Aspergillus
Alternaria
Sclerotinia
Penicillium
Non – septate conidia of fungi belong to
Helicospore
Phragmosporea
Didymospores
Amerospore
Unicellular fungus is
Rhizopus
Mucor
Yeast
Downy mildew
In fungi storage food accumulate as
Glycogen
Cholesterol
Argosterol
Volutine
Mass of hyphae of fungi constituting the tallus is called
Hyphae
Flagellum
Mycelium
Rhizoids
Most of plant pathogenic bacteria are
Gram positive
Gram negative
Non flagellable
Cell wallacking
Ti – plasmid carries information for
T – DNA
Opine synthesis
Protein synthesis
All the above
The bacterial 70 S ribosomes are present in
Cytoplasm
Mitochondria
Plastids
Mesosomes
Blast of Rice is caused by
Magnaporthe grisea
Drechsleraoryzae
Ephelis oryzae
Rhizoctonia solani
Effective fungicide for the control of blast disease of Rice
Mancozeb
Tricyclazole
Fosteyl Al
Plantvax
Brine floatation method is followed to control
Loose Smut of Wheat
Tundu disease of Wheat
Grain smut of Jowar
Rice blast
The famous Irish famine of 1842 was caused due to the outbreak of
Helminthosporiose of rice
Stem rust of Wheat
Late blight of potato
Downy mildew of Grapes
Bacteriophages are used for forecasting the incidence of
Tungro disease of ice
Bacterial blight of Paddy
Blast of Paddy
Brown spot of rice
Bakane disease of rice caused due to the production of any one of the following by the fungal pathogen
Gibberellins
Cytokinins
Toxins
Auxins
The rice tungro virus contains
ss RNA
ds RNA
ds DNA
a&c
The great Bengal famine in 1943 was due to
Paddy blast
Brown leaf spot of Rice
Bacterial leaf blight
Rice tungro
False smut of Rice is caused by
Neovossiahorrida
Entylomaoryzae
Ustilagoscitaminae
Ustilaginoidea virens
Rice Tungro virus is transmitted by
Leaf hoppers
White bug
White flies
Mites
Khaira disease in rice is noticed by
Y.L.Nene
S.N.Dasgupta
M.K.Patel
E.J.Butler
An internally seed borne fungal disease
Smut of Ragi
Red rot of Sugarcane
Loose smut of Wheat
Grain smut of Jowar
Significant contribution on the epidemiology of disease cycle of stem rust of Wheat was made by
Mehta. K.C
Mundkur. B.B
Payak.M.M
Nagarajan
Solar heat treatment of seeds is recommended for the control of
False smut of Paddy
Downy mildew of ragi
Grain smut of sorghum
Loose smut of Wheat
Tundu disease of Wheat is caused by
Anguinatritici
Corynebacterium tritici
Both a & b
None of these
Flag smut of wheat is caused by
Ustilagotritici
Urocystistritici
Ustilagohordei
Ustilago nuda
The foul smell of bunt infected wheat is due to
Trimethyl amine
Ammonia
Ethylene
Trieethyl amine
Sugarcane ratoon stunting is caused by
Phytoplasmas
Viroids
Cavibacterxylisub spxyli
Virus
Colletotrichum falcatum
Anthracnose of chilli
Sett rot of sugarcane
Red rot of sugarcane
Anthracnose of grapes
Pine apple smell is noticed in sugarcane due to a disease
Redrot
Sett rot
Wilt
Ring spot