Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for Competitive -paper29
MULTIPLE ques. FOR COMPETITIVE examination
(B.Sc. Agriculture)
Mango malformation is common in
(A)North-East India (B) North-West India
© South-East India (D) South-West India
Which 1 is a host specific toxin?
(a)Tab toxin(B) Ten toxin(C) Victorin (D)Phaseotoxin
Association of fungi with roots of higher plants is known as
(A)Lichen (B)Mycorrhiza (C) Ascolichen(D)Basidiolichane
Zoospores of Oomycetes fungi are
(A)Biflagellate (B)Uniflagellate(Tinsel type)
© Uniflagellate(whiplash type) (D) Non motile
The pathogenic organisms included under family Erysiphaceae reason
(A) Downy mildew(B)powdery mildew (C) white rust(D)ergot
Ascus normally contains definite number of ascospores which is
(A)Four (B)Six (C) Eight(D)Two
When disease is more or less constantly current from year to year in a moderate to severe form, in a particular country or part of the earth then it is known as
(A)Epidemic (B)Sporadic (C) Pandemic(D)Endemic
First plant disease caused by parasitic nematode was reported by
(A)N.A.Cobb (B)T.Needham (C)Prevost (D)F.C.Bawden
Pyrimidines fungicides are used against
(A) Rusts(B)Powdery mildews (C)Downy mildews (D)Smuts
Which of the subsequent fungicide was discovered accidently by Millardet
(A)Vitavax (B)Captan (C) Cerasan(D)Bordeaux mixture
Karathane is a
(A) Fungicide(B)Insecticide (C)Nematicide (D)Bactericide
In bacterial brown rot and wilt of potato, the amount of _________ produced by pathogens is proportional to severity of symptoms.
(A)Gibberellin (B)Lipids (C)Polysaccharides (D)Proteins
Potato leaf roll virus belongs to
(A)Potexvirus group (B) Tobravirus group
(C)Leuteovirus group (D)Potyvirus group
Yellow vein mosaic of okra is transmitted through
(A) Thrips(B)Aphids (C)Mites (D)Whitefly
Fusarium wilt of banana is also known as
(A)Panama disease (B) Moko disease(C)Bunchy top (D)Sigatoka disease
Which of the subsequent rust is the earliest to appear on wheat in India
(A)Black rust (B)Brown rust (C) Yellow rust(D)White rust
Which of the subsequent is an alternate host needed by Puccinia graminis tritici to complete its life cycle
(A) Berberis(B)Brinjal (C)Horeum vulgare (D)Glycine max
The book entitled "Plant Diseases" has been written by
(A)Y.L.Nene (B)R.S.Singh (C) Rangaswami(D)V.N.Pathak
The most common stage of the fungus causing stem rot of paddy is
(A)Sclerotia (B)Pycnidia (C) Acervulus(D)Myceloid
The most destructive phase of the bacterial blight of rice is known as
(A) Necrosis(B) Kresek(C)Blight (D)Die back
|
MULTIPLE QUESTIONS FOR COMPETITIVE EXAM (B.Sc. Agriculture) Mango malformation is common in (A)North-East India (B) North-West India South-East India (D) South-West India |
|
Which one is a host specific toxin? (a)Tab toxin(B) Ten toxin(C) Victorin (D)Phaseotoxin |
|
Association of fungi with roots of higher plants is known as (A)Lichen (B)Mycorrhiza (C) Ascolichen(D)Basidiolichane |
|
Zoospores of Oomycetes fungi are (A)Biflagellate (B)Uniflagellate(Tinsel type) Uniflagellate(whiplash type) (D) Non motile |
|
The pathogenic organisms included under family Erysiphaceae cause (A) Downy mildew(B)powdery mildew (C) white rust(D)ergot |
|
Ascus normally contains definite number of ascospores which is (A)Four (B)Six (C) Eight(D)Two |
|
When disease is more or less constantly present from year to year in a moderate to severe form, in a particular country or part of the earth then it is known as (A)Epidemic (B)Sporadic (C) Pandemic(D)Endemic |
|
First plant disease caused by parasitic nematode was reported by (A)N.A.Cobb (B)T.Needham (C)Prevost (D)F.C.Bawden |
|
Pyrimidines fungicides are used against (A) Rusts(B)Powdery mildews (C)Downy mildews (D)Smuts |
|
Which of the following fungicide was discovered accidently by Millardet (A)Vitavax (B)Captan (C) Cerasan(D)Bordeaux mixture |
|
Karathane is a (A) Fungicide(B)Insecticide (C)Nematicide (D)Bactericide |
|
In bacterial brown rot and wilt of potato, the amount of _________ produced by pathogens is proportional to severity of symptoms. (A)Gibberellin (B)Lipids (C)Polysaccharides (D)Proteins |
|
Potato leaf roll virus belongs to (A)Potexvirus group (B) Tobravirus group (C)Leuteovirus group (D)Potyvirus group |
|
Yellow vein mosaic of okra is transmitted through (A) Thrips(B)Aphids (C)Mites (D)Whitefly |
|
Fusarium wilt of banana is also known as (A)Panama disease (B) Moko disease(C)Bunchy top (D)Sigatoka disease |
|
Which of the following rust is the earliest to appear on wheat in India (A)Black rust (B)Brown rust (C) Yellow rust(D)White rust |
|
Which of the following is an alternate host required by Puccinia graminis tritici to complete its life cycle (A) Berberis(B)Brinjal (C)Horeum vulgare (D)Glycine max |
|
The book entitled Plant Diseases has been written by (A)Y.L.Nene (B)R.S.Singh (C) Rangaswami(D)V.N.Pathak |
|
The most common stage of the fungus causing stem rot of paddy is (A)Sclerotia (B)Pycnidia (C) Acervulus(D)Myceloid |
|
The most destructive phase of the bacterial blight of rice is known as (A) Necrosis(B) Kresek(C)Blight (D)Die back
|
| Earning: Approval pending. |
