Biology Multiple Choice Questions and Answers for Different Competitive Exams

MCQ on Plant pathology - Plant Diseases

1. Earcockle disease of wheat is caused by
a)Puccinia tritici
b)Anguina tritici
c)Corynebacterium tritici
d)none of these
2.Root knot of Brinjal (egg plant) is caused by
 a)Meloidogyne incognita
b)fusarium udum
c)Pseudomonas rubrillineans
d)Anguina solanacearum
3. Wilt of pigeon pea is caused by
a)Xanthomanas citri
b)Fusarium udum
c)Phytophthora infestans
d)Pseudomonas rubrilineans
MCQ on Plant pathology - Plant Diseases

4. White rust of crucifers by
a)Albugo
b)Ustilago
c)Puccinia
d)Phytophthora
5.Downy mildew disease is caused by
 a)Albugo
b)Puccinia
c)Peronospora
d)Phytophothora
6. Wart disease of potato is caused by
a)Personospora destructor
b)Phytophthora infestans
c)Phythium debaryanum
d)Synchytrium endobioticum
7.Which is responsible for wood rot?
 a)Erysiphe
b)Polyporus
c)Lycoperdon
d)none of these
8. Potato famine of Ireland (1845) was caused by
 a)Phytophthora palmivora
b)Plasmopara viticola
c)Puccinia graminis
d)Phytophthora infestans
9.Covered smut of sorghum is caused by
 a) Sphacelotheca cruenta
b) Sphacelotheca reiliana
c) Sphacelotheca sorghii 
d)Tolypesporium ehrenburghii
10. Early leaf spot disease in Arachis hypogea (Peanut) is caused due to infection of
 a)Cererospora arachidicola 
b)Agrobacterium tumefaciens
c)Phytophthora infestans
d)Gibberella fujikuroi
Answers
1. b)Anguina tritici
2. a)Meloidogyne incognita
3. b)Fusarium udum
4. a)Albugo
5. c)Peronospora
6. d)Synchytrium endobioticum
7. b)Polyporus
8. d)Phytophthora infestans
9. c) Sphacelotheca sorghii 
10. Cererospora arachidicola 

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