311.
Which one of the following is an exotic Indian fish ?
A
Catla catla
B
Heteropneustes fossilis
C
Cyprinus carpio
D
Labeo rohita
Answer :
Cyprinus carpio
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312.
Which one of the following plant is commonly used as green manure
A
Acacia nilotica
B
Cassia fistula
C
Crotalaria juncea
D
Azadiracta
Answer :
Crotalaria juncea
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313.
Streptomycin resistance gene is transferred from Nicotiana tabacum to Nicotiana silvestrise by which method
A
Somatic embryogenesis
B
Embryo culture
C
Cybridisation
D
Somatic hybridisation
Answer :
Cybridisation
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314.
Azolla increases rice productivity due to its associations with
A
Rhizobium
B
Nostoc
C
Anabaena
D
Frakia
Answer :
Anabaena
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315.
Haploids from anther culture were first obtained in
A
Brassica
B
Gossypium
C
Nicotiana
D
Datura
Answer :
Datura
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316.
Domestication of silk worm is called
A
Sericulture
B
Pisciculture
C
Apiculture
D
Horticulture
Answer :
Sericulture
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317.
Lathyrism which is caused by consumption of Khesari dal is a disease characterised by
A
reproductive failure, susceptibility to diabetes mellitus and skeletal abnormalities
B
retardation of body growth, precocious puberty and renal dysfunction
C
mental retardation, delay in the onset of puberty and cardiovascular abnormalities
D
gross skeletal deformation and thinning of collagen fibres and fibrils
Answer :
gross skeletal deformation and thinning of collagen fibres and fibrils
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318.
Which one of the following species yield edible oil and fibre
A
Cocos nucifera
B
Brassica campestris
C
Mangifera indica
D
Arachis hypogea
Answer :
Cocos nucifera
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319.
The world's highly prized wool yielding 'Pashmina' breed is
A
goat
B
sheep
C
goat-sheep cross
D
Kashmir sheep-Afghan sheep cross
Answer :
goat
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320.
Potato got resistance to phytopthora infestans from
A
Solanum demissum
B
Solanum acaule
C
Solanum spegazzini
D
Solanum stoloniferum
Answer :
Solanum demissum
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