Cereal cyst nematode was first reported in India from........
UP
Bihar
Kerala
Rajasthan
Nematodes are generally known as…….
Eel worm
Round worm
Thread like organisms
All of these
Stomatostylets are found in…….
Tylenchids
Dorylaimids
Both
None of these
Which is the infective stage of meloidogyne sp.........?
Adult
J
J ₂
All
Nematode body is made up of................
Protein
Chitin
Lipid
All of these
Nematodes have how many stages in life cycle...
1
4
6
8
Which chemical (fumigant) was discovered as the first nematicide...............
CS ₂
DD
EDB
Methyl bromide
Who discovered the insecticidal property of CS 2
Cobb (1911)
Kuhne (1871)
Carter (1943)
N.
The feeding site "nurse cells" are formed in host tissues by.........
Rodophilus similis
Tylenchulus semipenetrans
Rotylenchulus reniformis
Globodera rostochinensis
Tylenchulus semipenetrans is a............
Pulse nematode
Vegetables nematode
Citrus nematode
Remiform nematode
Odontostylets are found in……….
Tylenchids
Dorylaimids
Both
None of these
Nematode lips are 6 in number and shows...............
Bilateral symmetry
Asymmetry
Hexaradial symmmetry
Triradial symmmetry
Which nematode reported as first virus transmitted (vector) nematode.....?
Longidorus sp.
Paralongidorus sp.
Xiphinema index
Trichodorus minor
Which nematode is known as mushroom nematode......
Ditylenchus myceliophagus
Aphelenchoides camposticola
Both
None of these
At feeding site abnormal increase in the size of cell (due to nucleus division) is known as...
Hyperplasia
Hypertrophy
Syncytium
Nurse cell
Mentake disease of rice caused by.............(VVI)
Rodopholus sp.
Pratylenchus sp.
Hirschnynniella sp.
Ditylenchus sp.
Spreading decline of citrus is caused by...............
Rodopholus similis
Aphelenchoides sp.
Ditylenchus sp.
None of these
Which system is absent in nematodes...............
Circulatory
Respiratory
Excretory
A & B both
Slow decline or die back of citrus is caused by…….
Rotylenchulus sp.
Tylenchulus sp.
Ditylenchlus sp.
Rodopholus spp.
Which nematode is known as pulse nemetode.....
Borrowing nematode
Reniformis nematode
Leaf & bud nemetode
Citrus nematode
In most of plant parasitic nematodes which stage is infective.....?
J1
J2
J4
Adult
Number of molting present in nematodes is..
2
4
6
8
Nematodes are...........
Coelomatic
Pscudocoelomatic
Both
None of these
Which nematode cause "Naru bala" disease in human...
Wucheraria bancrofti
Ascaris lumbricoides
Dracunculus medinensis
Enterobiris vermicularis
The Elephantiasis or filariasis disease in man caused by....
Dracunculus medinensis
Wucheraria bancrofti
Ascaris lumbricoides
Plancenta gigentissima
Which scientist gave morphometry or biometry for nematode..?
Deman
Kuhn
Tom Goodey
NA Cobb
The book "Soil and fresh water nematodes" is written by...
Chitwood and chitwood
Kuhn
Tom godey
Bastian
Which scientist discovered the nematicidal properties of DD...?
Christie (1945)
Kuhn (1871)
Butler (1913)
Carter (1943)
In India first discovered plant parasitic nematode was......
Anguina tritici
Meloidogyne sp.
Hetedera spp
Ditylenchus sp
Ufra Disease of rice is caused by..........
Aphelenchoides spp.
Ditylenchus angustus
Globodera spp.
Heterodera avenae
Giant cell is made up in the infestation of....
Heterodera
Tylenehulus
Meloidogyne
Globodera
The symptoms syncytium is formed at feeding site of...........
Heterodera avenae
Meloidogyne sp.
Tylenchulus sp.
Rotylenchulus sp.
The nematode body is basically..............
Triradial symmetry
Hexaradial symmetrical
Bilateral symmetrical
All of these
The inner tube of nematode body is called….
Integument
Cuticle
Stomodeum
Alimentary canal
The body wall of nematode is constitute of
Cuticle
Hypodermis
Muscle layer
all of these
The nematode cuticle is made up from........
Chitin
Structural protein
Lipid
All of these
The unicellular biological active layer of nematode is….
Cuticle
Epidermis
Muscle layer
None of these
Alimentary canal of nematode is consist of
Stomodeum
Mesentron
Proctodeum
All of these
The main character of plant parasite nematode (tylenchids) is presence of.....
Stomatostylet
Odontostylet
both
None of these
In male nematode which is the secondary sexual organs
Spicules
Gubernaculum
Bursa
All of these
The esophagus of nematodes is.
Bilateral symmetrical
Triradial symmetrical
Hexaradial
None of these
The word taxonomy firstly coined by .............
Lionel de nicevelle
Linnaeus
De candole
Aristole
In the female gonducts if one in number and are projected to anterior is known as
Didelphic
Monopro-delphic
Dorylaimids
Monopro-orchic
The cuticle annulations or striations are important feature of
Dorylaimids
Tylenchids
Both
None of these
All the genera of virus vector nematodes belong to order...
Tylenchida
Dorylaimida
Heterorhabtida
Xenorhabtides
In cotton the wilt disease is more sever in the presence of…..
Heterodera
Tylenchulus
Rotylenehulus
Meloidogyne
Nematode transmits only…….
RNA viruses
DNA viruses
Both
All of these
In straw berry cauliflower disease is caused by......
Anguina +Clavibacter
Aphelenchoides +Clavibacter
Meloidogyne +Achromobacter
Heterodera +Achromobacter
Growing of a non- host crop in between two susceptible ones the population levels of the nematodes is brought down below damaging threshold especially for
Meloidogyne
Anguina
Heterodera
Aphelenchoides
Tagetes and garlic two crops are act as antagonist to……