PLANT PATHOLOGY
Lincon Acharya,
Assistant Professor
1. Bacteriophage
terminology was coined by
(a)
Twort (b)
Iwanosky
(c)
De herelle (d)
Butler
2. Maize
streak virus is transmitted by
(a)
white fly (b)
aphid
(c)
mite (d)
leafhopper
3. Which of the following is Endospore producing
bacteria
a. Xanthomonas b. Bacillus c. Rhizobium d . Clostridium
a. Xanthomonas b. Bacillus c. Rhizobium d . Clostridium
3. Udbata
disease is caused by
a. Ephelis oryzae b. Alternaria oryzae c. Colletotrichum spp. d. Curvularia lunata
5. Indian phytopathological society was established
by
(a)K.C. Mehta (b) B.P. Pal (c)
E.J. Butler (d) Mundkur
6.
Pseudomonas syringae produces which
of the following toxin
a. Tentoxin
b. Tabtoxin
c. Victorin
d. Cercosporine
7.
Bordeux mixture was developed against
a. Powdery mildew of apple b. Powdery mildew of grape
c. Downey mildew of apple d. Downey mildew of grape
8. Heterothalism in fungus was discovered by
a. Anton de bary b. E.J.
Butler
c. Tillet d. Blakslee
9. Ipomeamerone is produced by –
a. Pea b. Potato
c. Tomato d.
Sweet potato
10.
Who is called as father of Indian phytobacteriology
a.K.C. Mehta
b. B.P. Pal c. B B Mundkur d. M K Patel
11. Agar agar is extracted from
a. Gelidium b. Cephaleuros
c.
Phytomonas d. Fusarium
12. Ratoon stunting of sugarcane is caused by
a. Phytoplasma b. FVB c. Viroid d.
Prion
13. BOAA is a compound produced by
a. Alfalfa b. Lathyrus c. Safflower d. Sorghum
14. Pineapple
disease is found in
a.
Pineapple b. Citrus c. Sugarcane d.
Mango
15. The father of soil solarisation is
a.
De bary b. Katan c. M K Patel d. Butler
16. Blossom end rot is due to deficiency of
a. Ca b. B
c. Mg
d. Zn
17. Caenorabditis elegans is a
a.
fungus b. nematode c. bacteria d. algae
18. The pathogen known as genetic engineer is
a. Agrobacterium b. Neurospora c. Aspergillus d. Pseudomonas
19. Koleroga
disease of Arecanut is also known as
a. Mahali
disease b. Bud rot c. Foot rot d.
Root rot
20. Frog eye leaf spot disease is present in
a.
Tobacco b. Potato c. Cotton
d. Pea
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