ASRB – NET (March, 2014-I)
No. |
Questions |
Answers |
1 |
Pectic enzyme activity shown by |
Caratovara
group |
2 |
Group of Carbendazim |
Benzimidazole |
3 |
Class of White rust causing fungi |
Oomycetes |
4 |
White rust causing pathogen |
Albugo candida |
5 |
Tool in genetic engineering |
Agrobacterium tumefaciens |
6 |
Species of Agrobacterium not
having Ti Plasmid |
Agrobcterium radiobactor |
7 |
Erwinia have which type of
flagella |
Peritrichous |
8 |
Apple/pear bilght pathogen have
flagellar type |
Peritrichous |
9 |
Ralstonia solanocarum causing
which disease |
Wilt of
solanaceous crops |
10 |
Different organism from
following:
A. tumifaciens, R.solanacerum, S.
scabies, X.
compestris |
S. scabies |
11 |
EPIVEN model is for which disease |
Apple scab |
12 |
EPIDEM model is for which disease |
Early blight
of Potato |
13 |
Smallest pathogen |
Viroid |
14 |
Virion after removal of protein
coat |
Viroid |
15 |
Little leaf of brinjal caused by |
Phytoplasma |
16 |
Sesamum phyllody caused by |
Phytoplasma |
17 |
Leaf curl of tomato is
transmitted by |
Whitefly |
18 |
Pathogen required several years
for completion of life cycle |
Polytic
pathogen |
19 |
How to prepare 500 ppm
concentration of oxyteracylcline for citrus canker |
500 mg per
liter of water |
20 |
Cross protection phenomenon |
Concept |
21 |
Cross protection done in which
virus |
CTV/PSRV |
22 |
Phase mediated transfer of DNA
method |
Transduction |
23 |
Sequence for PCR |
Denaturation/ Anneling/ Extension |
24 |
Process of DNA amplification |
PCR |
25 |
Infection of Ergot of Bajara |
Localised
blossom infection |
26 |
Bengal Famine due to pathogen |
Helminthosporium oryzae |
27 |
Phanerogamic parasite have
chlorophyll but no root |
Cuscuta |
28 |
Tundu disease is in association
with the |
Anguina tritici |
29 |
Needham reported first nematode |
Anguina tritici |
30 |
Envelope containing Virus |
Topsovirus |
31 |
In Topsovirus medium size RNA is |
Ambisense |
32 |
Hypovirulence is due to |
ds RNA |
33 |
Most virus contain |
ss RNA |
34 |
Most of the plant pathogenic
bacteria |
Rod shaped |
35 |
Oldest fungicide |
Copper |
36 |
1% Bordeaux mixture |
5:5:50 |
37 |
Strobulibin fungi belong to group |
Basidiomycotina |
38 |
Apron fungicide used against |
Downy mildew
of Bajara |
39 |
Dikaryotization in rust fungi in
which spore |
Aeciospores |
40 |
A group of fungi which have
filamentous hypha, ascogenous hypha absent and thallus yeast like |
Hemiascomycetes |
41 |
Naked asci present in |
Taphrina |
42 |
Bacterial capsule made up of |
Carbohydrates
and protein |
43 |
Disease in which more auxin is
synthesized |
Potato virus Y |
44 |
Xiphenema transmit grape fan leaf
virus discovered by |
Hewitt |
45 |
Silver leaf symptom due to |
PAN |
46 |
PAN causes which symptoms |
Silver leaf |
47 |
Black tip of mango due to |
SO2 |
48 |
Khaira disease due to deficiency
of |
Zn |
49 |
In wilt disease accumulation of
……takes place |
Tyloses |
50 |
Black heart of potato due to |
Low oxygen
level |
51 |
Who did the nomenclature of P. infestans in 1861 |
Anton de Bary |
52 |
Vesicle present in |
Pythium |
53 |
Edible fungus |
Mushroom |
54 |
Poisonous fungus |
Amanita |
55 |
Facultative anaerobic organism |
Erwinia |
56 |
Koch’s postulates related with
which disease |
Anthrax in
cattle |
57 |
Toxin that determine disease |
Victorin |
58 |
Heteroceous rust |
Black stem
rust wheat |
59 |
Alternate host absent in |
Yellow stem
rust |
60 |
Citrus stubborn disease caused by |
Spiroplasma |
61 |
Coiled appendages present in |
Uncinula necator |
62 |
Domestic quarantine exist for |
Banana bunchy
top |
63 |
Year for DIP, Act |
1914 |
64 |
Monocyclic disease |
Loose smut of
wheat |
65 |
Asexual stages of fungi found in |
Deuteromycotina |
66 |
Parasexual life cycle found in Aspergillus nidulans belongs to division |
Ascomycotina |
67 |
Antibiotic Viridin from
Trichoderma viride first reported by |
Weindling
(1932) |
68 |
Mycorrhiza provides which
nutrient |
Phosphorus |
69 |
Red scale onion resistant to
onion smudge due to |
Protocatechuic
acid |
70 |
Susceptible variety of gram |
JG 62 |
71 |
ELISA measure in |
Nano gram |
72 |
Plasmodiophora discovered by |
Woronin |
73 |
Beijerinck |
Contagium Vivum
fluidum |
74 |
RLO culture on |
Yolk culture |
75 |
Orobanche/Striga |
Complete
root/Partial root |
76 |
Vertical/horizontal term given by |
Vanderplank |
77 |
Most important PGPR |
Pseudomonas putida |
78 |
Long form of PGPR |
Plant Growth
Promoting Rhizobacteria |
79 |
Surface disinfectant |
Mercury
chloride (0.1 %), Sodium Hypochoride (1 %), Ethyl alcohol |
80 |
Major soil borne pathogen |
Rhizoctonia |
81 |
Solar heat treatment for control
of which disease |
Loose smut of
wheat |
82 |
Transformation concept |
Take DNA from
outside source |
83 |
Take all of wheat pathogen |
Gaumannomyces graminis tritici |
84 |
Transformation require how many
living cells |
One |
85 |
Heat sterilization period at
1600C in hot air oven |
1.1/2 to 2 hrs |
87 |
Mucor and Rhizopus differ from
one another on the basis of |
Rhizoids |
88 |
Gene for gene hypothesis given by |
H.H. Flor |
89 |
Gene for gene hypothesis given in
which crop |
Linseed |
90 |
Common method for purification of
bacteria |
Streaking |
91 |
Myximycetes mold |
Slime mold |
92 |
Mode of transport/entry of
Xanthomonas |
Hydathode |
93 |
Rice ufra disease is caused by |
Ditylinchus angustus |
94 |
Ooze test is for |
Bacteria |
95 |
Sterile structure in ascocarp |
Paraphyses/Periphyses |
96 |
Pierce disease caused by |
Xylella fastidiosa |
97 |
PDA which type of media |
Semi-synthetic |
98 |
IAA precursor |
Tryptophan |
99 |
Stalk rot of maize pathogen |
Erwinia carotovora f.sp. zeae |
100 |
Aflatoxin dangerous form |
B1 |
101 |
Bacteria infect bacteria |
B’delvibrio |
102 |
Genera that include pathogenic
bacteria |
Ralstonia |
103 |
Spores formed by budding |
Balistospores |
104 |
Vector for rice tungro disease |
Nephotetix virescens (green leaf hopper) |
105 |
Blossom end rot deficiency due to |
Ca deficiency |
106 |
Race of wheat stem rust pathogen
spread world wide |
Ug99 |
107 |
Sanitation removes |
Primary
inoculum |
108 |
Polyethylene size used for
solarization |
100 micron |
109 |
Cyst nematode found in |
Sugarbeet |
*answers are based on the options
given in the exam
*the above questions are purely
based on memory
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