Thursday, 7 January 2021

 

Multiple choice questions

1.     Father of plant pathology

a) Anton de Bary                                                 b) Micheli            

c) Clusius                                                              d) Prometheus

2.     Father and founder of mycology

a) P.A. Michelli               b) P.A. Saccardo         c) Clusius              d) Butler

3.     Father of plant pathology and mycology in India

a) Anton de Bary              b) Persoon                   c) E.J. Butler        d) Patel

4.     Father of forest plant pathology  

a) H.M Ward                     b) Robert Hartig       c) Homer               d) P.A. Micheli

5.     Father of tropical plant pathology – H M Ward

a) Theophrastus                b) Robert Hartig          c) H.M Ward       d) Butler

6.     When we celebrate robigolia every year

a) January 25                     b) February 25            c) March 25           d) April 25

7.     Who observed the teliospores of Phragmidium mucronatum for the 1st time in microscope a) a) Ward                              b) Burgaff                  c) Robert Hook         d) Angus

8.      In ancient Rome an annual festival was held for blessing of the Rust God named

a) Robigus                                                b) Angus                    

c) Robusta                                                 d) None of the above

9.     Late blight of potato caused famine in Ireland in the year

a) 1872                              b) 1857                        c) 1845                  d) 1945

10.  Who discovered the existence of bacteria

a) Anton von Leeuwenhoek                   b) Louis Pasteur 

c) J.F. Dastur                                             d) Robert Koch

11.  Irish famine was due to

a) Bipolaris oryzae                                               b) Phytophthora infestans              

c) Puccinia graminis                                             d) Amanita verna 

12.  Which pathogen caused heavy losses to wine industry in France due to its epidemic in 1875

13.  a) Phytophthora infestans                                     b) Plasmopara viticola 

14.  c) Helminthosporium oryzae                                 d) Uncinula nicator

15.  Bordeaux mixture was developed by

a) Millardet                                                                      b) Michelli

C) Bowley                                                                         d) Anton de Bary

16.  Citrus greening is cause by

a) Xanthomonas axonopods

b) Candidatus liberibacter asiaticus

c) Xanthomonas compestris

d) None

17.  Ergot is obtained from

a) Synchytrium endobioticum

b) Pythium aphanidermatum

c) Claviceps purpurea

d) Cryphonectria parasitica

18.  Fire blight of apples was 1st reported by

a) Anton de Bary                                                  b) Adolf mayer

c) E.F. Smith                                                         d) T.J. Burril

19.  Wheat loose smut is a

a) Internally seed borne pathogen                     b) Externally seed borne pathogen

c) Both                                                                  d) None

20.  Flagella all over the body

a) Xylella                                                               b) Xanthomonas

c) Erwinia                                                             d) Pseudomonas

21.  Which fungicide used against downy mildew

a) Metalaxyl                                                         b) Karathane

c) Oxathin                                                             d) Streptomycin

22.  Race specific resistance

a) Vertical resistance                                          b) Horizantal resistance

c)  Adult plant resistance                                      d) Apparent resistance

23.  Hypertrophy

a) Cell death                                                          b) Cell enlargement

c) Increase in number of cells                               d) Decreased in cell divisions

24.  Hyperplasia

a) Cell death                                                          b) Cell enlargement

c) Increased cell divisions                                   d) Decreased in cell divisions

25.  Dictyospore is having

a) Vertical septa                                                    b) Horizantal septa

c) Both vertical and horizantal septa                d) None

26.  Pleomorphic character is found in

a) Fungi                 b) Bacteria                             c) Virus                 d) None

27.  Bacteriophage is a

a) Virus infecting bacteria                                 b) Virus infecting eukaryotes

c) Nacked ssRNA particles                                   d) animal viruses

28.  Ti plasmid present in

a) Agrobacterium radiobacter                              b) Agrobacterium tumefaciens

c) Xanthomonas axonopodis                                 d) Pseudomonas solanacearumm

29.  Which bacteria produce yellow pigment on growth media

a) Xanthomonas                                                  b) Pseudomoans

c) Agrobacterium                                                  d) Rhizobium

30.  Which of the following is a gram positive bacteria

a) Bacillus                                                            b) Xanthomonas                  

c) Erwinia                                                             d) Pseudomonas

31.  Microscope discovered by

a) Needham                                                          b) Spallanzini

c) Koch                                                                 d) Zacharias Janssen

32.  Exclusion of plant disease by legislation is known as

a) Disease resistance                                             b) Plant quarantine

c) Biological control of plant                               d) Cultural control

33.  First plant parasitic nematode was reported

a) Meloidogyne                                                    b) Heterodera

c) Anguina                                                           d) Globodera

34.  Flag smut of wheat is caused by

a) Ustilago tritici                                                  b) Urocystis tritici

c) Ustilago hordei                                                 d) Taphrina deformans

35.  Pasteurization temperature

a) 65oC                              b) 62.8 oC                    c) 100 oC               d) 150 oC

36.  Mycoplasma disease of plant was first reported by

a) Butler                            b) Brefeld                    c) Anton de Bary       d) Doi et al

37.  Nematodes are also known as

a) Tapeworms                  b) Trematodes             c) Earthworms       d) Round worms

38.  Bacterium cell wall is made of

a) Peptidoglycan              b) Protein                    c) Chitin                d) Cellulose

39.  Alexander Fleming (1928) discovered

a) Penicillin                      b) Strptomycin            c) Tetracycline       d) Griseofulvin

40.  Bacilli are

a) Rod shaped                  b) Sprial                      c) Spherical           d None

41.  Bengal famine is due to

a) Helminthosporium oryzae                                b) Bipolaris oryzae

c) Pyricularia oryzae                                             d) A and B

42.  Rice Khaira disease is due to

a) Zinc deficiency                                                b) Mo deficiency

c) Copper deficiency                                            d) Boron deficiency

43.  Wheat stem rust is caused by

a) Puccina graminis tritici                                             b) P. recondita

c) P. striiformis                                                                 d) Ustilago hordei

44.  Rice blast is due to

a) Pyricularia                                                                   b) Xanthomonas

c) Cercospora                                                                    d) Erysiphe

45.  Botulism is due to

a) Bacillus                                                                         b) Pseudomonas

c) Agrobacterim                                                                d) Clostridium

46.  Powdery mildew fungi belong to the family

a) Erysiphaceae                                                               b) Hypocereaceae

c) Hypomycetaceae                                                          d) Nectriaceae

47.  Red rot of sugarcane is caused by

a) Fusarium                                                           b) Alternaria

c) Dreschlera                                                         d) Colletotrichum

48.  Rust is effectively controlled by

a) Carboxin                       b) Oxycarboxin         c) Carbendazim       d) Metalaxyl

49.  Smut can be effectively controlled by

a) Carboxin                      b) Oxycarboxin           c) Carbendazim             d) Metalaxyl

50.  Taphrina causes the disease

a) Chilli leaf curl                                                   b) Tomato leaf curl

c) Peach leaf curl                                                             d) Potato leaf curl

 

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