Nematology 02 — Agri Master Mind

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……
  • Heterodera avenae
  • Xiphenema index
  • Anguina tritici
  • Meloidogyne spp.