Nematology Part 3
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Question No. 1
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Seed gall of wheat is caused by:
A.
Anguina tritici
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Tylenchulus semipenetrans
Question No. 2
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Tundu/Sehu or yellow ear rot of wheat is caused by:
A.
Anguina tritici and Clavibacter tritici
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Rotylenchulus reniformis
Question No. 3
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Which nematode is associated with yellow slime or gum on wheat leaves?
A.
Anguina tritici
B.
Heterodera avenae
C.
Ditylenchus dipsaci
D.
Pratylenchus sp.
Question No. 4
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Cereal cyst nematode is:
A.
Heterodera avenae
B.
Meloidogyne spp.
C.
Tylenchulus semipenetrans
D.
Rotylenchulus reniformis
Question No. 5
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Root knot nematode is:
A.
Meloidogyne spp.
B.
Heterodera avenae
C.
Tylenchulus semipenetrans
D.
Ditylenchus dipsaci
Question No. 6
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Citrus nematode is:
A.
Tylenchulus semipenetrans
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Rotylenchulus reniformis
Question No. 7
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What is a specialized symptom of the citrus nematode?
A.
Formation of nurse cells
B.
Yellowing of leaves
C.
Root swelling
D.
Stem discoloration
Question No. 8
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Reniform (pulse) nematode is:
A.
Rotylenchulus reniformis
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Tylenchulus semipenetrans
Question No. 9
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Stem & bulb nematode is:
A.
Ditylenchus dipsaci
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Pratylenchus sp.
Question No. 10
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What is a major symptom of Ditylenchus dipsaci in onions?
A.
Onion bloat
B.
Root knot
C.
Leaf spot
D.
Stem rot
Question No. 11
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Stem nematode of rice is:
A.
Ditylenchus angustus
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Aphelenchoides besseyi
Question No. 12
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Which nematode causes 'Ufra disease' of rice?
A.
Ditylenchus angustus
B.
Hirschnynniella sp.
C.
Aphelenchoides besseyi
D.
Rhadenaphalenchus cocophilus
Question No. 13
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Potato root nematode is:
A.
Ditylenchus destructor
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Globodera rostochiensis
Question No. 14
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Mushroom nematode is:
A.
Ditylenchus mycelophagus
B.
Heterodera avenae
C.
Aphelenchoides sp.
D.
Pratylenchus sp.
Question No. 15
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Which nematode is reported as the first mushroom nematode?
A.
Ditylenchus mycelophagus
B.
Aphelenchoides sp.
C.
Longidorus sp.
D.
Xiphinema index
Question No. 16
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Bud and leaf nematode (foliar) is:
A.
Aphelenchoides sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus dipsaci
Question No. 17
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Rice leaf or white tip nematode is:
A.
Aphelenchoides besseyi
B.
Aphelenchoides sp.
C.
Hirschnynniella sp.
D.
Rhadenaphalenchus cocophilus
Question No. 18
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Coconut red ring nematode is:
A.
Rhadenaphalenchus cocophilus
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus angustus
Question No. 19
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What is the vector for the coconut red ring nematode?
A.
Palm weevil (Rhyncophorus ferrugineus)
B.
Aphids
C.
Whiteflies
D.
Mites
Question No. 20
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Potato cyst nematode is:
A.
Globodera rostochiensis
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus destructor
Question No. 21
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What is a characteristic symptom developed by the potato cyst nematode?
A.
Syncytium
B.
Giant cells
C.
Root necrosis
D.
Leaf discoloration
Question No. 22
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Root lesion nematode is:
A.
Pratylenchus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus dipsaci
Question No. 23
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Which nematode is also referred to as 'Meadow' nematode?
A.
Pratylenchus sp.
B.
Rotylenchulus reniformis
C.
Longidorus sp.
D.
Xiphinema index
Question No. 24
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Rice root nematode is:
A.
Hirschnynniella sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus angustus
Question No. 25
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Which nematode causes 'Mentek disease' of rice?
A.
Hirschnynniella sp.
B.
Ditylenchus angustus
C.
Aphelenchoides besseyi
D.
Rhadenaphalenchus cocophilus
Question No. 26
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Burrowing nematode is:
A.
Rodopholus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Pratylenchus sp.
Question No. 27
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Which stage is infective in the burrowing nematode?
A.
All stages
B.
Only juveniles
C.
Only adults
D.
Eggs
Question No. 28
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Blackhead disease/rot root/rhizome root of banana is caused by:
A.
Rodopholus similis
B.
Rodopholus citrophilus
C.
Naccobus sp.
D.
Tylenchulus semipenetrans
Question No. 29
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Which nematode also causes 'Yellow pepper' disease in black pepper?
A.
Rodopholus similis
B.
Rodopholus citrophilus
C.
Pratylenchus sp.
D.
Longidorus sp.
Question No. 30
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Spreading decline of citrus is caused by:
A.
Rodopholus citrophilus
B.
Rodopholus similis
C.
Tylenchulus semipenetrans
D.
Naccobus sp.
Question No. 31
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False root knot nematode is:
A.
Naccobus sp.
B.
Meloidogyne spp.
C.
Heterodera avenae
D.
Pratylenchus sp.
Question No. 32
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Stunt or stylet nematode is:
A.
Tylenchorynchus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Longidorus sp.
Question No. 33
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Ring nematode is:
A.
Criconema sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Xiphinema index
Question No. 34
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Pin nematode is:
A.
Paratylenchus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Trichodorus sp.
Question No. 35
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Needle nematode is:
A.
Longidorus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Ditylenchus dipsaci
Question No. 36
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Dagger nematode is:
A.
Xiphinema index
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Paratylenchus sp.
Question No. 37
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Stubby root nematode is:
A.
Trichodorus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Haplolaimus sp.
Question No. 38
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Lance nematode is:
A.
Haplolaimus sp.
B.
Heterodera avenae
C.
Meloidogyne spp.
D.
Criconema sp.
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