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।
General Agriculture
20 Questions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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?
History and Principles of Plant Pathology
1 QuestionsHistory and Economic Importance
6 Questions
35
38
71
72
79
85
In which year first plant parasitic nematode was recorded?
Who made first ever report of plant parasitic nematodes in India?
In which year NEMATOLOGICA was started
In which country N.A. Cobb, the father of Nematology was born?
Which of the following nematodes are predatory?
(A). Seinura
(B). Mononchus
(C). Dorylaimus
(D). Mononchoides
Choose the correct answer from the options given below:
Match List-I (EPN species) with List-II (Bacterial symbiont):
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Mulberry Crop Production
4 Questions
61
62
63
65
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:
Which of the following states is referred by some people sometime as "Milk and Silk grow together"?
Nematode Taxonomy and Morphology
19 Questions
36
40
41
42
43
73
74
76
78
80
86
93
95
97
101
105
106
108
112
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) : 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.
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
In
which of the following nematode mucronate tail is present?
How many oesophageal glands are present in Hoplolaimus?
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 (|); 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.
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.
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.
Match List-I (Common name) with List-II (Scientific name):
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Nematodes lack
Which description of the nematodes is not true?
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
Principal structural component of nematode cuticle is
Morphology
1 QuestionsMulberry and Silkworm Breeding
1 QuestionsPhysiological and Molecular Plant Pathology
1 QuestionsNematological Techniques
2 QuestionsEmbryology, Internal Anatomy and Physiology
1 QuestionsSilkworm Biology
1 QuestionsMycology
3 QuestionsNematode Ecology
2 Questions
75
88
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.
How many years stem and bulb nematode can survive under quiescence stage?
Ecology
2 Questions
51
59
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.
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.
Silkworm Protection
4 Questions
64
67
69
70
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
The most destructive pest for sericulture is
The most destructive natural enemy of silk worm cocoon is
Plant Bacteriology
2 Questions
22
24
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.
The term "Pathovar” belonging to the taxonomy of plant pathogens is used for
Plant Nematode Relationships
5 Questions
37
87
99
116
117
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.
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.
The feeding sites produced by Tylenchulus semipenetrans are
CLAVATAS - like peptides are secreted from
Indole acetic acid (IAA), a tryptophan metabolite, is found in species of
Biological Control
1 QuestionsPlant Virology
3 Questions
26
27
28
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
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.
Nematode Physiology and Cytology
3 QuestionsNematode Pests of Crops
5 Questions
39
82
84
98
100
Which of the following cyst nematode is not occurring in India?
Match List-I (Host plant) with List-II (Associated nematode):
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
What is the main characteristic of Ufra-I caused by Ditylenchus angustus in rice?
The necrotic lesions produced in bananas by Helicotylenchus mutticinctus differ from Radopholus similis in
The nematode that is able to feed on the underground plant part during storage
Host Plant Resistance
1 QuestionsNematode Management
11 Questions
44
81
90
94
102
103
104
109
110
113
114
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.
Match List-I (Common name) with List-II (Trade name):
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
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.
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:
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
Chloropicrin is an example of
Match List-I (Characteristic) with List-II (Species name):
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
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 ?
Interactions of Nematodes with Soil Organisms
5 Questions
83
89
91
92
96
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:
In which year first record on the involvement of nematodes in disease complex was reported?
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?
Cherry rosette virus is transmitted in association with
Fungal Diseases of Crop Plants
1 QuestionsStatistics
3 Questions
118
119
120
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
Bacterial and Viral Diseases of Crop Plants
2 Questions
29
33
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 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:
Pests of Field Crops and their Management
3 Questions
48
54
58
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.
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.
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:
Management of Plant Diseases
1 QuestionsPests of Horticultural Crops and their Management
4 Questions
47
55
56
57
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.
Match List-I with List-II:
Choose the correct answer from the options given below:
सूची - I को सूची - II से सुमेलित कीजिए :
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए :
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.
Pests of Stored Products and their Management
1 QuestionsHelpful and Useful Insects
1 QuestionsReady to Practice the Full Paper? क्या आप पूरे प्रश्न पत्र का अभ्यास करने के लिए तैयार हैं?
Practice all 120 questions with live evaluation, step-by-step solutions, and detailed explanations. सभी 120 प्रश्नों का लाइव मूल्यांकन, तुरंत फीडबैक और विस्तृत द्विभाषी समाधान के साथ अभ्यास करें।
Official PYQ Papers
Previous Year Papers of Nematology
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
1
Total Available
Previous Papers