Nematodes are placed in the Phylum-
Nematoda
Annelids
Nemathelminthes
Aschelminthes
Which is the most important nematode of vegetables?
Heterodera avenae
Anguina tritici
Rotylenchulus reniformis
Meloidoge incognita
Tylenchulus semipenetrans is a-
Ectoparasitic
Endoparasitic
Semiendoparasitic
Parasite of above ground part
Root-knot disease was first reported in the World by-
Berklay
Barber
Butler
Franklin
TOBRA viruses are transmitted by-
Trichodorus
Xiphinema
Longidours
Paralongidours
Which is a fungal parasite on eggs of nematodes?
Paceilomyces spp.
Pasturia penetrans
Bacillus subtilis
Pseudomonas fluoresceus
Which is economically most important nematode in India?
Heterodera avenae
Anguina tritici
Meloidogyne incognita
Rotylenchulus reniformis
Nematode body is -
Triploblastic
Unsegmented
Pseudo coelomate
All of these
Root-knot nematode completes its life cycle in-
28-30 days
20-22 days
40-45 days
35-40 days
Cyst nematodes are --
Ectoparasitic
Sedentary Semiendoparasitic
Migratory Semiendoparasitic
Sedentary endoparasitic
Sexual dimorphism is generally observed in-
Stunt nematodes
Burrowing nematodes
Lesion nematodes
Root-knot nematodes
Main host of Anguina tritici is-
Maize
Paddy
Wheat
Mustard
Nemacur is basically of -
Carbamate group
Organophosphate group
Helogenated hydrocarbons group
Nitrogenous group
Flooding of field with water for nematode management produces
NO.
Ammonia.
Methane
CO2
Who discovered first time Heterodera avenae in India?
Vasudeva
Milne
Sethi & Swarup
Koshy
Which is the most important cultural method decreases the Heterodera avenac population?
Crop rotation
Summer ploughing
Flooding
Fallowing
Who reported Anguina tritici first time in India?
Milne, 1919
Barber, 1901
Butler, 1906
Jones, 1961
Which is sedentary semi-endoparasite-
Meloidogyne hapla
Anguina tritici
Aphelenchoides besseyi
Rotylenchulus reniformis
Which is a truly seed-borne nematode -
Aphelenchoides besseyi
Anguina tritci
Radopholus similis
Ditylenchus angustus
Which is an egg parasite of nematodes -
Pasteuria penetrans
Nematophora gynophila
Arthrobotrys oilgospora
Paecilomyces lilacinus
What is the role of nematode in Tundu disease of wheat-
Vector
Aggravator
Incitant
Pathogen
Syncytium is formed by-
Root-knot nematodes in cortical parenchyma
Cyst nematodes in vascular tissues
Cyst nematode in cortical parenchyma
Citrus nematode in cortical parenchyma
The infective stage in reniform nematode is-
Pre-adult female
Immature female
Second stage juvenile
Infective juvenile
Which is the best method of managing molya disease of wheat and barley-
Application of carbofuran
Crop rotation with chickpea
Growing Raj MR-1 variety of wheat
Early sowing of wheat
Earcockle and tundu diseases can easily be eradicated by-
Use of certified seed
Water floatation of contaminated seed
Winnowing and Fanning to separate cockles
Hot water treatment of seed
Which of these edaphic factors is most crucial for damage to the crops -
Temperature
Moisture
Texture
Ph
Which of these edaphic factors is most crucial for development of nematodes -
Temperature
Moisture
Texture
pH
The name of cereal cyst nematode is……
Anguina tritici
Heterodera avenae
Tylenchulus spp.
Meloidogyne spp.
The molya disease of cereals is caused by a nematode……
Heterodera avenae
Anguina tritici
Meloidogyne sp.
None of these
Which plant parasitic nematode (PPN) was first discovered in the world……
Anguina tritici
Heterodera avenae
Meloidogyne spp.
Tylenchulus semipenetrans
In Rajasthan 50% losses is caused from single nematode which is…….
Anguina tritici
Heterodera avenae
Meloidogyne spp.
Tylenchulus sp.
Seed gall or ear cockle disease is caused by.....
Anguina tritici
Heterodera avenae
Meloidogyne sp.
None of these
First plant parasitic nematode (PPN) discovered by…..
Batler, 1901
JT Needham, 1743
Milne, 1919
Berkeley, 1855
Which nematode attacks on ear head (flower part) of cereals............?
Anguina tritici
Heterodera avenae
Meloidogyne spp.
Tylenchulus semipenetrans
Name of the root knots or root gall nematode is.
Anguina tritici
Heterodera avenae
Meloidogyne spp.
Tylenchulus semipenetrans
Which plant parasitic nematode was discovered firstly from India
Anguina tritici
Heterodera avenae
Tylenchulus spp.
Meloidogyne spp.
Which scientist is known as father of nematology……
N.A Cobb
Barkley
Bastian
H.
Seed treatment of crops for nematode control is carried out through....
Rogor
Temik
Confidor
Tracer
First plant parasitic nematode (PPN) was discovered in the year…..
1686
1743
1843
1943
Most of plant parasitic nematodes attacks through……..
Clauca
Amphids
Stomatostylets
Integument
In plant parasitic nematodes host cell (roots) is recognized through presence of a paired structure...
Amphids
Derides
Phasmids
both a & c
Tundu disease is caused by………
Anguina tritici
Clavibacter tritici
Anguina tritici + Clavibacter
Heterodera spp. + Clavibacter
Mostly plant parasitic nematodes attacks on...
Stem
Leaves
Flower
Root
Nematode (Meloidogyne) resistant variety of tomato is..............
Hisar lalit
SL-120
Pusa rubi
A & B both
Nematode having two ovaries is called...
Diorchic
Monorchi
Didelphic
Monodelphic
Solar heat treatment is discovered by…….
Luthara and sattar
Jensen
Butler
Bastian
Carbofuran (nematicide) belongs to the group........
Organophosphates
Organocarbamates
Organochlorines
None of these
Which is a virus vector (transmits) nematode………
Heterodera avenae
Anguina tritici
Xiphenema index
Meloidogyne spp.
Most of plant parasitic (stylet bearing) nematode belongs to order.........
Tylenchida
Dorylaimida
Adenophorea
All of these
Shape of female nematode may be…….
Kidney shaped
Apple shaped
Melon shaped
all of these