ASRB NET 2019 (10/1/2020)

1.     Original Bordeaux mixture composition given by millardet – 5lb: 5lb: 50 gallon

2.     Sugarcane ratton stunting is caused by – Lefsonia xyli subsp. xyli

3.     Crown gall of apple is caused by – Agrobacterium tumefaciens (Rhizobium radiobacter)

4.     Indian stem rust rules was written by – Nagarajan and Singh (1975)

5.     Xanthomonas oryzae pv. oryzae was completely genome sequenced by – Lee et al

6.     Most of the plant pathogenic viruses genome  + ss RNA

7.     Wheat leaf rust lineage gene was identified while crossing with which varieties –

8.     Which mushroom was used in religious ceramonies in mexico – Psilocybe mexicana

9.     Bimodal transmission mostly observed in which insects – Aphids

10.  Barberry eradication programme was 1^st  initiated in which country – USA

11.  Vertical resistance was given by – Vanderplank

12.  1^st plant resistance gene for pant resistance – Hm 1

13.  1^st plant resistance gene (HM₁) for plant resistance was discovered by – Briggs and walton

14.  Iron cheaters or iron bearer – Siderophores

15.  Trap crop for striga –  Cotton

16.  Bio control agents for grapes powdery mildew – AG 10

17.  Time required to sterilize glass wares at 160^o C in hot air oven – 1 – 2 hrs

18.  Striga seeds can viable in soil for how many years –

19.  Which toxin plays major role in disease development – Pathotoxin

20.  Who discovered resistance through heterokaryosis – Gaumann

21.  Mode of action of strobulurin – Mitochondrial inhibition

22.  Mode of action of benzamidazole – Beta tubulin biosynthesis

23.  RT - PCR s used to detect – living cells

24.  R PAGE is used to detect – Viroid

25.  Disjuctor cell of spore dispersal is present in – Albugo

26.  Wheat yellow rust is caused by – Puccinia striiformis f.sp. graminis

27.  Pollutant diseases which caused on lower surface is due to – Ozone

28.  Chestnut blight is caused by – Endothea parasiticia

29.  ds RNA is used to protect which disease – Chestnut blight

30.  Mycoviruses are used to reduce the virulence of which pathogen –

31.  Halo stem of cauliflower is caused by –  Bo deficiency

32.  Little leaf of apple, grapes is caused by – Zn deficiency

33.  The Bullers phenomenon is found in – Pilobolus

34.  Biological rythamic phenomenon is found in - Pilobolus

35.  Fallowing virus comes under closterovirus – CTV

36.  Best method is to manage soil borne diseases – Crop rotation

37.  Which method is best used to control bacterial blight of pomegranate – streptocycline + COC

38.  Which technique used to detect living virus particle – RT PCR, local lesion assayy

39.  Who did assays on Nicotiana glutinosa – Holmes

40.  Virus is a autocatalytic protein was given by - Stanley

41.  Which virus come under babuvirus –

42.  Stackburn of rice is caused by – Alternaria padwickii

43.  In which disease entire grains are converted into valvetty spore balls – Ustilagonuda virens

44.  Indian Plant protection organisation is related to - DPPQS

45.  DIP act India – 1914

46.  DIP act USA – 1912

47.  Uncontrollable disease spread is due to – WTO act, 1995  and liberation of trade

48.  Give an example of internally seed borne pathogen – Wheat loose smut

49.  Angular leaf spot of cotton is an example of – Both internal and external

50.  Who identified that plant hopper transmits viral diseases –

51.  10^th international congress of plant pathology was held in – China

52.  J G Kuhn written 1^st book in plant pathology called – Diseases of cultivated crops and their causes and their control

53.  Bengal famine is mainly due to – Brown leaf spot

54.  Which fungicide will used to control striga seed germination –

55.  Dichotomously branched cleistothecium which bears many asci – Microsphaera

56.  Flagella all over the body – Peritrichous

57.  Cephalotrichous flagella example – Pseudomonas fluorescens

58.  Bacterial flagella contains small hair is called –

59.  Green ear of cumbu resting spore – Sclerotium

60.  Sugary symptoms produced by which pathogen – Ergot

61.  Which organ mainly control bacterial binary fission –Mesosomes  

62.  Bacillus subtilis producing antibiotics – Pyrolutins

63.  Euphorbia prosturata is an alternate host for  - Gram rust

64.  Bactria belongings to Enterobacteriaceae – Erwinia, Pseudomonas, Serratia, Erwiniaceae

65.  Which strain of Fusarium will affect banana – FOC race 2

66.  Which plant pathogenic organism do not code polypeptides – Virus

67.  Phytophtora rimorum causes which diseases – Sudden oak death

68.  In ascomycota the process of karyogamy takes place in – Ascus mother cell

69.  Rice blast producing toxin – α - picolinic acid

70.  Give an example of polyetic diseases – Dutch elm disease

71.  Endospore forming bacteria – Clostridium

72.  Primary stain used in gram staining – Crystal violet

73.  Which oomycota fungi cell wall is made up of chitin – Leptomitus

74.  RTV contains how many vial particles – Rice tungro bacilli form virus, rice tungro spherical form virus

75.  Bird eye spot causes symptoms in which crop – Grapes

76.  Give an example of ectomycorrhizal biofertilizer  –

77.  Axonemes or type of flagella present in  eukaryotic cells – 9+2

78.  Tundu disease is associated with – Anguina tritici

79.  Cross protection used to control which disease – CTV

80.  Species plantarum was written by – Linnaeus (1753)

81.  Which chemical is used in purification of virus through centrifugation –

82.  Rolling circular mechanism can be observed in – Pospiviroid

83.  Banana bunchy top was introduced into India from – Sri Lanka

84.  Family of citrus exocortosis – Pospiviroid

85.  CTV can be managed by – Cross protection

86.  Charcoal rot of tomato is caused by –

87.      Diseases model/ support system used to detect apple sacb – EPIVEN

88.      Forecasting model used for early blight of potato and tomato - EPIDEM

89.      Multicelled teliospore is produced by – Phragmidium

90.      White rust of chrysanthemum is caused by – Puccinia horiana

91.      Trap crop for Striga asiatica – Sorghum

92.      Viroid replication occurs in – Nucleoplasm

93.      Which excudate can initiate to striga root growth –

94.      Fungi imperfecti was given by – Fuckel

95.      Damage cell wall ‘sphaeroplast’ can be observed in – Gram negative bacteria

96.      Phaseolitoxin was produced by – Pseudomonas syringae pv. phaseoli

97.      Mode of action of Phaseolitoxin – Plasma membrane and host cell synthesis

98.      Foot rot of papaya is caused by – Phytophthora rimorum

99.      Formula used for compound interest diseases –

100.   Jack in the box mechanism can be observed in - Bitunicate

101.   Spore cap can be observed in which phylum – Ascomycota

102.   35S conesequetior promotor is commonly used in – CaMV

103.   Amino acid initiating protein synthesis in bacteria - N formyline thiamine

104.   Structure formed by clustering of vesicles in true fungi – Spitzencarper

105.   Radish proteins AFP1 & ACAFP 2 are type of PR proteins –

106.   Cysteine rich protein which is used to adhesive and appraisal formation – Hydrobopin

108.   Ribbing of front in coconut is due to –

109.   Trigger system resistance for inducing of TSWV –

110.   Ralstonia solani anastomosis groups – More than 10 AG

111.   Crozier formation mostly observed in – Ascomycota

112.   Baemount period is related to – Relative humidity, late blight of potato

113.   Shoe sting fungi with bio-illuminescense properties are found in – Armillariella mella

114.   Chocolate brown spot is caused by –

115.   Trumpling movement cannot be observed in – Sprillium (present in Erwinia)

116.   Which smut is considered as culviculous smut – Sugarcane whip smut