2024
29-06-2024
Nematology- ICAR JRF/SRF 2024
Official solved question paper with verified bilingual step-by-step solutions and key concepts. आधिकारिक हल प्रश्न पत्र — विस्तृत द्विभाषी व्याख्या, प्रामाणिक उत्तर कुंजी एवं मुख्य अवधारणाओं सहित।
Questions in this Paper इस प्रश्न पत्र के प्रश्न
120 Questions 120 प्रश्न
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Movement of DNA from one bacterium to another through a tubular bridge or pilus:
Which of the following is responsible for eliminating toxic oxygen by-products from cells?
form of multiple parasitism in which a parasite preferentially attacks a host that is already parasitized by another species is
known as
For mass multiplication of DD-136 nematode, the common host used is
Chlorpyriphos methyl is effective against stored product insects except
Which of the following insects often cause inhalational allergies in human following large emergence of adult insects
Given below are two statements
Statement (|); Climate is a weather condition related to smaller areas at a given place and at a given time.Statement (II) : Weather is a condition of atmosphere at a given place and at a given time
In light of the above statements, choose the most appropriate answer from the options given below.
The local name of cyclone in Philippines is
Which one of the following are secondary tillage implements?
(A) .Subsoiler
(B) .Cultivator
(C) .Disc harrow
(D) . Wetland plough
Choose the correct answer from the options given below:
is the most suitable, drought resistant and persistant grass?
The rainfed area in India is approximately
Which nutrient is often a limiting factor in agricultural production?
What is a potential disadvantage of agroforestry systems?
Pungency in mustard oil is due to
Sesamum belongs to the family
Dark period is critical in which type of plant?
Which of the following is NOT a significant contributor to greenhouse gas emissions from livestock farming?
Fe deficiency is mostly seen in crops growing on
EDV (Essentially Derived Varieties) are those which are derived from
What is the role of "companion planting" in agriculture?
The cell wall of oomycetes fungi is rich in
Given below are two statements
Statement |: Candidatus phytoplasma is a wall-less prokaryoteStatement I : l: Candidatus phytoplasma colonize in plant phloem
In light of the above statements, choose the most appropriate answer from the options given below.
Non-edible oyster mushroom is
The term "Pathovar” belonging to the taxonomy of plant pathogens is used for
The black mould fungus of onion is
Match List-I with List-II:
Choose the correct answer from the options given below:
Match List-I with List-II:
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Mg?* ion is important for the preservation of structural integrity of viruses during isolation
Statement (II) : Ascorbic acid is important for the preservation of infectivity of viruses.
In light of the above statements, choose the most appropriate answer from the options given below.
What is true for Clavibacter xyli subsp. xyli?
(A) . Raton stunting disease of sugarcane
(B) . Gram-negative
(C) . Pleomorphic rods
(D) . Cells are motile
Choose the correct answer from the options given below:
What is the correct sequence of producing different structures by a germinating fungal conidium?
(A) . Penetration peg
(B) . Haustorium
(C) . Germ tube
(D) . Appressorium
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Phaseolotoxin produced by Pseudomonas syringae py. phaseolicola disrupts apical dominance
Statement (II) : Phaseolotoxin also increases the accumulation of amino acid ornithine
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II:
Choose the correct answer from the options given below:
What is true for the Yellow Vein Mosaic virus of okra?
(A) . Transmitted by whitefly
(B) . Vein clearing
(C) . Sap transmissible
(D) . Infected plants are severely stunted
Choose the correct answer from the options given below:
Which of the following fungal pathogens produces pycnidiospores?
In which year first plant parasitic nematode was recorded?
Which of the following nematode has “cephalic setae’?
(A) . Atylenchus
(B) . Tylenchus
(C) . Eutylenchus
(D) . Malenchus
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Tylenchulus semipenetrans secrete ‘Gelatinous matrix’ through excretory pore
Statement (II) : Tylenchulus semipenetrans secrete ‘Gelatinous matrix’ through caudal glands
In light of the above statements, choose the most appropriate answer from the options given below.
Who made first ever report of plant parasitic nematodes in India?
Which of the following cyst nematode is not occurring in India?
Given below are two statements
Statement (I) : Hypodermal cells are responsible for the turgescent of nematode body
Statement (II) : Pseudocoelomic fluid is responsible for the turgescent of nematode body
In light of the above statements, choose the most appropriate answer from the options given below.
Which one is type species Meloidogyne ?
Given below are two statements
Statement (I) : Nematodes show hexaradial symmetry in lip region
Statement (II) : Nematodes show triradial symmetry in oesophagus
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Pseudocoelom contains reproductive system of nematodes
Statement (II) : Pseudocoelom contains nervous system of nematodes
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Banana cultivar ‘Yangambi Kms" is not resistant to Pratylenchus goodeyi
Statement (II) : Banana cultivar ‘Yangambi KmS’ is resistant to Radopholus similis,
In light of the above statements, choose the most appropriate answer from the options given below.
What is the pore aperture size of 350 meshes/inch sieve?
Which of the following determines the selection of host plant in insects by test biting and ovipositional probing?
Given below are two statements
Statement (I) : Phthorimoea operculella feeds on the potato tubers hidden in the soil
Statement (II) : Phthorimoea operculella feeds on the potato tubers exposed from the soil
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Passer domesticus is an omnivorous bird that needs conservation
Statement (II) : Blue bull, popularly known as "Neel Gaai'" is a member of the cow family
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II:
Choose the correct answer from the options given below:
The cigarette beetle, Lasioderma sericorne feeds normally on
(A) . Pyrethrum and tobacco
(B) . Meat and fish meal
(C) . Cocoa beans and peanuts
(D) . Tapioca and yam
Choose the correct answer from the options given below:
Given below are two statements
Statement (|); The term" Gamergate” is referred to the mated workers of PonerinaeStatement (II) : The term "Gamergate" is referred to the mated workers of Formicinae
In light of the above statements, choose the most appropriate answer from the options given below.
In India, Trichogrammatids are mass produced on the eggs of
(A) . Sitotroga cerelella
(B) . Corcyra cephalonica
(C) . Bombyx mori
(D) . Cadra cautella
Choose the correct answer from the options given below:
The arachinids associated with corpses in forensic sciences belong to
Given below are two statements
Statement (I) : Eggs of Chilo partellus are laid in patches on maize plant
Statement (II) : Eggs of Sesamia inferens are parasitized by Scelionids
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II:
Choose the correct answer from the options given below:
The lady bird beetle that predominantly feeds on plant leaves is
Given below are two statements
Statement (I) : Brevicoryne brassicae adults are yellowish green with waxy filaments over the body
Statement (II) : Myzus persicae adults are egg shaped with smooth and pointed abdomen
In light of the above statements, choose the most appropriate answer from the options given below.
The insects which infests cotton are
(A) . Lipaphis erysimi
(B) . Aphis gossypii
(C) . Phenacoccus solenopsis
(D) . Aphis craccivora
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : The trophic level refers to the organism's position in the food chain
Statement (II) : The word trophic is derived from the Spanish, meaning to food
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Ecdysis is also known as apolysis
Statement (II) : Chelicerae are the inner portion of mouth parts of termite soldiers
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Mulberry is a monoecious tree
Statement (II) : High temprature favours maleness in mulberry trees
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Rosetting of mulberry leaves is known as Tukra disease
Statement (II) : Tukra disease in mulberry is caused by whiteflies
In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following soil conditions are appropriate for mulberry cultivation?
(A) . Well drained black soils
(B) . Claye to loamy soils
(C) . Porus with good water holding potential
(D) . Flat, deep and fertile soil
Choose the correct answer from the options given below:
Match List-I with List-II:
Choose the correct answer from the options given below:
Which of the following states is referred by some people sometime as "Milk and Silk grow together"?
Which of the followings are multivoltine 2
(A) . Bombyx mori
(B) . Antheraea mylitta
(C) . Philosamia ricini
(D) . Antheraea assamensis
Choose the correct answer from the options given below:
Match List-I with List-II:
Choose the correct answer from the options given below:
Which of the followings is the smallest in adult size?
The most destructive pest for sericulture is
The most destructive natural enemy of silk worm cocoon is
In which year NEMATOLOGICA was started
In which country N.A. Cobb, the father of Nematology was born?
Match List-I with List-II:
Choose the correct answer from the options given below:
Match List-I with List-II:
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Heterodera avenae prefers well drained soil
Statement (II) : Heterodera avenae prefers wet soil
In light of the above statements, choose the most appropriate answer from the options given below.
Match List-I with List-II:
Choose the correct answer from the options given below:
What is the pore size in 300 mesh sieve?
In which of the following nematode mucronate tail is present?
Which of the following nematodes are predatory?
(A) . Seinura
(B) . Mononchus
(C) . Dorylaimus
(D) . Mononchoides
Choose the correct answer from the options given below:
How many oesophageal glands are present in Hoplolaimus?
Match List-I (Common name) with List-II (Trade name):
Choose the correct answer from the options given below:
Match List-I (Host plant) with List-II (Associated nematode):
Choose the correct answer from the options given below:
Which of the following nematodes are virus vector?
(A) . Longidorus
(B) . Xiphinema
(C) . Trichodorus
(D) . Paratrichodorus
Choose the correct answer from the options given below:
What is the main characteristic of Ufra-I caused by Ditylenchus angustus in rice?
Match List-I (EPN species) with List-II (Bacterial symbiont):
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Sexual dimorphism occurrs in Anguina tritici
Statement (II) : No sexual dimorphism occurrs in Anguina tritici
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Foliar nematodes, Aphelenchoides fragariae feed as ectoparasitically as well as endoparasitically
Statement (II) : Foliar nematodes, Aphelenchoides fragariae feed as ectoparasitically only
In light of the above statements, choose the most appropriate answer from the options given below.
How many years stem and bulb nematode can survive under quiescence stage?
In which year first record on the involvement of nematodes in disease complex was reported?
Given below are two statements
Statement (I) : Tomato variety Hisal Lalit is resistant to reniform nematode
Statement (II) : Tomato variety Hisal Lalit is resistant to root-knot nematodes
In light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements
Statement (I) : Presence of Meloidogyne increase bacterial wilt of carnation
Statement (II) : Presence of Helicotylenchus increase bacterial wilt of carnation
In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following bacteria is carried by Anguina tritict?
Given below are two statements
Statement (|); 3rd and 4th stage juveniles of cyst nematodes are without styletStatement (II) : 3rd and 4th stage juveniles of cyst nematodes are with stylet
In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following is/are quarantine pest in India?
(A) . Ditylenchus dipsaci
(B) . Ditylenchus destructor
(C) . Ditylenchus angustus
(D) . Ditylenchus composticola
Choose the correct answer from the options given below:
Given below are two statements
Statement (I) : Odontophore of Longidorus bears basal flanges
Statement (II) : Odontophore of Longidorus does not bear basal flanges
In light of the above statements, choose the most appropriate answer from the options given below.
Cherry rosette virus is transmitted in association with
Given below are two statements
Statement (I) : Citrus race of Radopholus similis parasitize on citrus but not on banana
Statement (II) : The citrus race that is confined to Florida is recognized as Radopholus citrophilus.
In light of the above statements, choose the most appropriate answer from the options given below.
The necrotic lesions produced in bananas by Helicotylenchus mutticinctus differ from Radopholus similis in
The feeding sites produced by Tylenchulus semipenetrans are
The nematode that is able to feed on the underground plant part during storage
Match List-I (Common name) with List-II (Scientific name):
Choose the correct answer from the options given below:
Which of the following is a nematode of quarantine importance for sugar beet
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Quarantine refers to a government regulatory action to prevent introduction of plant pathogens or pests into a
geographical area/country
Reason (R) : The movement of infected planting material is restricted to prevent the introduction of pathogen/pests to the
uninfected areas
In light of the above statements, choose the correct answer from the options given below.
Aphelenchoides bessey/ infected rice seeds can be treated using
Nematodes lack
Which description of the nematodes is not true?
In some nematode genera, intrauterine birth causing maternal death is also known as
The developmental stage in which the early embryo consists of an open mouthed sac-like body with a wall of two layer of
cells is called as
Chloropicrin is an example of
Match List-I (Characteristic) with List-II (Species name):
Choose the correct answer from the options given below:
Sexual reproduction is also known as
Principal structural component of nematode cuticle is
Given below are two statements
Statement (I) : Aurovertin-like metabolites are nematoxins produced by Pochonia chlamydosporia
Statement (II) : Pasteuria penetrans is a non-endospore-forming bacteria
In light of the above statements, choose the most appropriate answer from the options given below.
What dosage of Purpureocillium lilacinum (cfu = 2 x 108g) is recommended for treating the seeds of tomato to protect from
root-knot nematodes (Meloidoyne incognita) before sowing them in a polyhouse ?
The total genome size of Caenorhabditis elegans is approximately
CLAVATAS - like peptides are secreted from
Indole acetic acid (IAA), a tryptophan metabolite, is found in species of
Which one of the following coefficients of variation (CV) is an indication of the better precision of the experiment?
Identify the correct statement(s) regarding decision errors
(A). Null hypothesis accepted when in fact it is false is referred to as type Il error
(B). Null hypothesis rejected when in fact it is true is referred to as Type | error
Choose the eorreet answer from the options given below:
The square root of the mean of the squared deviations of individual values from their mean is called as
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