ASRB-NET (September, 2014-II) 

No.	Questions	Answers
1	The condition in which two different nuclei present in single cell	Heterkaryosis
2	Pathogen that do not induce abnormal growth in host	Clavibacter
3	Ganga river water is clean due to presence of	Bacteriophage
4	Cyanophage contain	Ds linear DNA
5	ф174 contain	ssDNA
6	Symptom of tungro virus	Spherical ssRNA along with bacillus dsDNA intensify the symptoms
7	Tungro virus is transmitted by the combination of which viruses	Waika + Badna virus
8	Hypovirulance is the example of which type of control	Biological control
9	Indian Phytopathological society is established by	B.B. Mundkur
10	B.B.Mundkur wrote which book	Fungi and Plant Diseases
11	Who worked on wheat rust in India	K.C.Mehta
12	In case of wheat rust telial stage is develop on which type of host	Primary host
13	Vector for rice tungro virus	Nephottetix virescens
14	Wheat stem rust pathogen strain	Ug 99
15	Choose wrong pair (Virus generic name-vernacular name)	Tobacco ring spot-Tobra Virus
16	Black heart of potato due to deficiency of	Low oxygen level
17	Khaira is deficiency of	Zn
18	Which of the following is the example of hormonal imbalance	Bakane disease of rice*
19	Vector for potato leaf roll virus (Polero virus)	Aphid
20	Vector for Yellow vein mosaic of bhendi	Whitefly
21	Sugarcane ratton stunting disease caused by	Leifsonia xyli subsp. xyli
22	Book: Principles of Plant Pathology by E.C.Stakman and Harrer published in which year	1957
23	Bordeaux mixture is for management of which disease	Downy mildew of grape
24	Bordeaux mixture is used against which pathogen	Plasmopara viticola
25	Chestnut compound concentration	Copper sulphate + Ammonium carbonate (2:11 parts)
26	Group of Metalyxl	Aclyalanine
27	Mode of action of Metalyxl	Interfering with activity of RNA polymerase
28	Metalyxl is used against which diseases	Downy mildew (Oomycetes)
29	Nova Planterum Genera written by	P.A.Micheli
30	Fungicides/Biopesticides registered under which act	Insecticide Act 1968
31	Nuclear Polyhydral Virus is found in which of the following	Insect
32	Which of the fungicide is banned for use	PCNB
33	Under storage condition which of the following chemical is used	Formaldehyde
34	EPIDEM forecasting model is for which disease	Alternaria blight
35	Virus/Viroid is transmitted by leaf hopper/plant hopper	Rice tungro - Rice ragged virus
36	Which of the following higher parasitic plant responsible for virus transmission	Dodder/ Cuscuta
37	Striga is an example of	Partial/hemi root parasite
38	Broomrape of tobacco is caused by which species	Orobanche sp.
39	Synemma is the	Attachment of conidiophores
40	Which of the following pathogen has disjuctor cell	Albugo candida
41	Haustoria produced in	Albugo candida
42	Perfect stage of Colletotrichum	Glomerella
43	Pythim is	Facultative parasite
44	Which of the following toxin not produced by Fusarium sp	Aflatoxin
45	Which of the pathogen have macro and micro conidia	Fusarium sp.
46	Which is odd one (Out of mycotoxins)	Cersosporin
47	Tentoxin is produced by	Alternaria alternate
48	Tabtoxin composed of	Tabtoxinin + Threonin
49	Most commonly used biocontrol agent	Pseudomonas fluorescens
50	Example of black mould of fungus	Capnodium
51	Which of the following fungi commonly not associated with diseases of hard wood	Verticillium sp.*
52	Example of non-edible fungi	Claviceps purpurea
53	A chemical used at the time of human pregnancy is obtained from which of the organism	Claviceps purpurea
54	Sclerotial producing fungi	Rhizoctonia/Claviceps/ Sclerotinia
55	A term used for multinucleate mass of protoplasm of the organism	Plasmodium
56	Streptomyces scabies can be controlled by	Lowering pH (5.2)
57	Group of sunflower necrosis virus	Illarvirus
58	In case of dsRNA viruses generally 10-12 RNA stands are present, Thus 12 components of RNA present in	Wound tumor virus
59	Albugo candida causing disease is known as pseudorust. what is the reason?	As it is not a member of basidiomycetous group*
60	A type of symptom in which plant part died/showed necrosis from tip downward	Dieback
61	A condition development due to low light intensity	Etiolation
62	Order of downy mildew fungi	Pernosporales
63	Which of the following irrigation method reduces spread of the disease under field conditions	Drip irrigation*
64	A vector for banana bunchy top	Pentalonia nigronervosa
65	Coffee rust disease introduced in India from which country	Sri Lanka (Cylon)
66	Wart of potato introduced to India from which country	Holland
67	Which of the following hormone is responsible for bakane disease of rice	Giberellic acid
68	Biocontrol agent of Agrobacterium tumefaciens	Agrobacterium radiobactor
69	Ti plasmid of Agrobacterium tumefaciens has genes for	Auxins and Cytokinin
70	Which of the following chemicals effectively control fungi	Protectant
71	PCR can amplify	DNA
72	In stain colour is due to	Chromophore
73	Sterol is required for the growth of	Mycoplasma
74	Phytoplasma are found in phloem cells due to presence of	Sterol
75	RLO discovered by	I.M. Windsor and  L.M. Black
76	Who saw the cork cell under compound microscope	Robert Hooke
77	Who saw the bacteria/protozoa under simple microscope	Anton Von Leeuwenhoeck
78	Founder of Mycology	P.A. Micheli
79	Who discovered first bacterial plant disease in year 1878	T.J.Burill
80	Who discovered heterocism in rust fungi	Anton de Bary
81	Agar agar is obtained from	Gelidium
82	Blotter paper method is discovered by	L.C. Doyer
83	Fungicide Resistance Action Committee is established in year	1981
84	Example of cross protection	Citrus tristiza virus
85	A method for obtaining virus free culture plants	Shoot tip method
87	Large quantity of virus free potato seeds are obtained with following method	Heat therapy
88	A country which developed forecasting for potato diseases	Holland (Netherland)
89	Dahlia mosaic- Cauliflower mosaic virus contain	dsDNA
90	Virus crystallization is done by	W.M. Stanley (1935)
91	A condition for contact of two bacterial cells	Conjugation
92	After conjugation of two bacterial cells a product is called as	Recombinant
93	Bacteria generally reproduce by	Binary fission
94	Bacterial cell wall contain	Murein
95	Tundu disease of wheat is the association of	Bacteria + Nematode
96	A fungi having adhesion traps for control of nematode	Arthobotrys
97	A substance used while preparing fungicide for adhesion purpose	Stickers
98	For control of blast of rice chemical used is	Tricyclozole 0.1 % (Beam)
99	Vegetative stage of bacterial leaf blight called	Kreseck
100	Drechslera oryzae produced which toxin	Coclibolin
101	Cocliobolus heterostophus caused which of the following disease	Maize leaf spot
102	Resolution of light microscope	0.3 micrometer
103	A instrument for counting bacterial population on the basis of turbidity	Spectrophotometer
104	Which of the following is viroid disease	Citrus exocortis
105	Viroid can be detected by	PAGE
106	Temperature for soil solarization	52oC
107	A dense structure found near hypha of ascomycetes	Woronin body
108	Panama wilt disease is caused by in association with nematode	Fusarium oxysporum f.sp. cubense
109	Bacterial wilt can be identified from fungal/physiological wilt by	Ooze test
110	Tyloses are the which type of defense response	Histological
111	Ergot of bajara is having infection site	Blossom
112	Pathogen having open ascus	Taphrina sp.
113	Crop to which Protomyces macrospores infect	Coriander
114	Trichoderma has following mode of action	Antibiosis/ Mycoparasitism
115	Sigmoid curve observed in case of	Polycyclic disease
116	iRc>1 is for	Epidemic
117	Following disease is increased with compound interest of money	Wheat stem rust
118	Boom and burst cycle observed in which of the following resistance	Vertical resistance
119	Which disease increase with application of NH4 and No2 form	Rice blast disease
120	Example of gram positive bacteria	Corynebactor
121	Gram positive bacteria sensitive to	Penicillin
122	Enzyme secreted by Ervinia caratovora	Pectinolytic
123	Cyanobacteria does not contain which pigment	Chlorophyll A
124	Which of the following process is not involved in virus replication	Binding
125	Period between inoculation and symptom expression	Incubation period
126	Period required between taking virus into vector and inoculation into the host	Latent period
127	Solar heat treatment given by	Luthra and Sattar (1934)
128	Chemicals that suppress fungi temporarily without killing	Fungistatic
129	Overgrowth observed due to	Hypertrophy/ Hyperplasia
130	Carborandum powder chemically known as	Silicon carbide
131	Grapefan leaf disease transmitted by	Xiphenema sp.
132	Pyriculara toxin detoxify by	Chromogenic acid
133	Spread of disease among plant population	Epidemic
134	In case of pandemic disease	Spread of disease across continent
135	Clonal citrus plants produced virus free by	Meristem culture
136	In plasmogamy nuclear condition observed is	n + n

            *answers are based on the options given in the exam

            *the above questions are purely based on memory