Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 B.Sc Agriculture for Competitive -paper23
MULTIPLE ques. FOR COMPETITIVE examination
(B.Sc. Agriculture)
Karnal bunt was 1st reported by :
(a) Mitra (c) Desai
(b) Dowson (d) Butler
Alternate host of black stem rust of wheat in India is :
(a) Mahonia sp. (c) Berberries sp.
(b) Thalictrum sp. (d) None of above
Bud-necrosis of groundnut is transmitted by :
(a) Thrips (c) Aphid
(b) Whitefly (d) All above
The grain smut of sorghum is also known as :
(a) Covered smut (c) Short smut
(b) Kernel smut (d) All above
The wilt of cotton is :
(a) Seed borne (c) Both a & b
(b) Soil borne (d) Air borne
Smut disease infect the plant at :
(a) Seedling stage (c) Tillering stage
(b) Embryo stage (d) None of above
Solar heat treatment is used to control :
(a) Covered smut of barley (c) Smut of bajra
(b) Loose smut of wheat (d) Smut of sorghum
The 1st recognized virus disease of plants in world is :
(a) Tobacco mosaic (c) Yellow vein mosaic
(b) Cucumber mosaic (d) None of above
The annual reoccurrence of rust of wheat (black rust)
in the plains is through :
(a) Uredospores (c) Aeciospores
(b) Teleutospores (d) Basidiospores
The incidence of which disease increases with increased supply of nitrogen ?
(a) Rice blast (c) Potato tuber rot
(b) Cotton wilt (d) All above
Which stage of the wheat rust fungus is considered as the perfect stage ?
(a) Uredial stage (c) Pycnial stage
(b) Telial stage (d) None of above
Sugarcane crop appears dry and on splitting the cane white and red bunds are seen with foul smell. The disease is :
(a) Red rot (c) Wilt
(b) Whip smut (d) Grassy shoot
The most serious smut among the smuts affecting sorghum is :
(a) Grain smut (c) Long smut
(b) Loose smut (d) Head smut
Frog-eye leaf spot disease is current in :
(a) Tobacco (c) Cotton
(b) Potato (d) None of above
In which rust, pustules are organizes in end to end
manner and forming stripes ?
(a) Yellow rust (c) Black rust
(b) Orange rust (d) White rust
The symptoms of red rot of sugarcane mostly obtained on :
(a) Stem (c) Leaf
(b) Root (d) Arrow
Leaf curl of tobacco is caused by :
(a) Nicotiana virus -1 (c) Phytoplasma
(b) Nicotiana virus -10 (d) Viroid
Puccinia causes rust on :
(a) Cereals (c) Vegetables
(b) Flowers (d) All above
Root parasite of Bajra is :
(a) Cuscuta (c) Orobanche
(b) Striga (d) Loranthus
Pegion pea sterility mosaic disease is transmitted by
(a) Aphid (c) Whitefly
( b) Eryophide mite (d) Jassid
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MULTIPLE QUESTIONS FOR COMPETITIVE EXAM (B.Sc. Agriculture) Karnal bunt was first reported by : |
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(a) Mitra |
(c) Desai |
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|
(b) Dowson |
(d) Butler |
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Alternate host of black stem rust of wheat in India is : |
|
|||
|
(a) Mahonia sp. |
(c) Berberries sp. |
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|
(b) Thalictrum sp. |
(d) None of above |
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Bud-necrosis of groundnut is transmitted by : |
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|
(a) Thrips |
(c) Aphid |
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(b) Whitefly |
(d) All above |
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The grain smut of sorghum is also known as : |
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(a) Covered smut |
(c) Short smut |
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(b) Kernel smut |
(d) All above |
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The wilt of cotton is : |
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(a) Seed borne |
(c) Both a & b |
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(b) Soil borne |
(d) Air borne |
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Smut disease infect the plant at : |
|
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|
(a) Seedling stage |
(c) Tillering stage |
|
|||
|
(b) Embryo stage |
(d) None of above |
|
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|
Solar heat treatment is used to control : |
|
|||
|
(a) Covered smut of barley |
(c) Smut of bajra |
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|
(b) Loose smut of wheat |
(d) Smut of sorghum |
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The first recognized virus disease of plants in world is : |
|
|||
|
(a) Tobacco mosaic |
(c) Yellow vein mosaic |
|
|||
|
(b) Cucumber mosaic |
(d) None of above |
|
|||
|
|
The annual reoccurrence of rust of wheat (black rust) in the plains is through : |
|
|||
|
(a) Uredospores |
(c) Aeciospores |
|
|||
|
(b) Teleutospores |
(d) Basidiospores |
|
|||
|
|
The incidence of which disease increases with increased supply of nitrogen ? |
|
|||
|
(a) Rice blast |
(c) Potato tuber rot |
|
|||
|
(b) Cotton wilt |
(d) All above |
|
|||
|
|
Which stage of the wheat rust fungus is considered as the perfect stage ? |
|
|||
|
(a) Uredial stage |
(c) Pycnial stage |
|
|||
|
(b) Telial stage |
(d) None of above |
|
|||
|
|
Sugarcane crop appears dry and on splitting the cane white and red bunds are seen with foul smell. The disease is : |
|
|||
|
(a) Red rot |
(c) Wilt |
|
|||
|
(b) Whip smut |
(d) Grassy shoot |
|
|||
|
|
The most serious smut among the smuts affecting sorghum is : |
|
|||
|
(a) Grain smut |
(c) Long smut |
|
|||
|
(b) Loose smut |
(d) Head smut |
|
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Frog-eye leaf spot disease is present in : |
|
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|
(a) Tobacco |
(c) Cotton |
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|
(b) Potato |
(d) None of above |
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In which rust, pustules are arranged in end to end manner and forming stripes ? |
|
|||
|
(a) Yellow rust |
(c) Black rust |
|
|||
|
(b) Orange rust |
(d) White rust |
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The symptoms of red rot of sugarcane mostly found on : |
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|
(a) Stem |
(c) Leaf |
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|
(b) Root |
(d) Arrow |
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Leaf curl of tobacco is caused by : |
|
|||
|
(a) Nicotiana virus -1 |
(c) Phytoplasma |
|
|||
|
(b) Nicotiana virus -10 |
(d) Viroid |
|
|||
|
|
Puccinia causes rust on : |
|
|||
|
(a) Cereals |
(c) Vegetables |
|
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|
(b) Flowers |
(d) All above |
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|
Root parasite of Bajra is : |
|
|||
|
(a) Cuscuta |
(c) Orobanche |
|
|||
|
(b) Striga |
(d) Loranthus |
|
|||
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Pegion pea sterility mosaic disease is transmitted by (a) Aphid (c) Whitefly ( b) Eryophide mite (d) Jassid |
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| Earning: Approval pending. |
