Dead heart symptoms in rice are caused by which of the following... | Agrigyan

General Agriculture Mulberry Crop Production History and Economic Importance Systematics History and Principles of Plant Pathology Morphology Mulberry and Silkworm Breeding Nematode Taxonomy and Morphology Silkworm Biology Nematological Techniques Embryology, Internal Anatomy and Physiology Physiological and Molecular Plant Pathology Silkworm Protection Mycology Ecology Plant Bacteriology Plant Nematode Relationships Biological Control Plant Virology Chemical Control and Toxicology Nematode Pests of Crops Host Plant Resistance Nematode Management Novel Approaches in Pest Control Integrated Pest Management Fungal Diseases of Crop Plants Bacterial and Viral Diseases of Crop Plants Pesticide Application Equipment Management of Plant Diseases Pests of Field Crops and their Management Pests of Horticultural Crops and their Management Pests of Stored Products and their Management Insect and Mite Vectors of Plant Diseases Honey Bees and Bee-keeping Silkworms and Sericulture Lac Insect Helpful and Useful Insects Statistics and Computer Application
95
Entomology- ICAR JRF/SRF 2024
MCQ (Single Correct)
Dead heart symptoms in rice are caused by

which of the following pest?

Entomology Subjects

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General Agriculture

6 Topics
Agronomy, Tillage & Field Crop Production Cell Biology, Plant Physiology & Biochemistry Agricultural Entomology, Nematology & Crop Protection Agricultural Meteorology & Climate Science Soil Science, Plant Nutrition & Reclamation Crop Genetics, Plant Breeding & IPR

History and Economic Importance

1 Topic
Milestones, Historical Nematologists, Cobb's Contributions & Nematological Societies

History and Principles of Plant Pathology

1 Topic
Infection Process, Survival, Inoculum Dynamics & Dispersal

Mulberry Crop Production

2 Topics
Mulberry Botany, Varieties, Moriculture Agronomy, and Soil Requirements Mulberry Diseases, Pests, and Integrated Moriculture Protection

Systematics

1 Topic
Insect Origin, Evolution, and Phylogeny of Arthropoda

Morphology

3 Topics
Thorax Structure, Leg Modifications, and Wing Venation Insect Integument, Cuticle, and Body Sclerotization Abdominal Anatomy, Pregenital Appendages, and External Genitalia

Mulberry and Silkworm Breeding

1 Topic
Silkworm Genetics, Races, Voltinism, and Sex-Limited Breeds

Nematode Taxonomy and Morphology

2 Topics
Nematode Cuticle, Integument, Hypodermis, Sense Organs & Pseudocoelomic Structure Nematode Taxonomy, Systematics, Nomenclature & Generic Classification

Embryology, Internal Anatomy and Physiology

4 Topics
Excretory, Endocrine, Reproductive Physiology, and Metamorphosis Circulatory and Respiratory Systems Nervous, Sensory Systems, and Sense Organs Digestive System, Peritrophic Membrane, and Insect Nutrition

Nematological Techniques

1 Topic
Soil and Plant Sampling, Extraction Methods, Sieving & Decanting Techniques

Physiological and Molecular Plant Pathology

1 Topic
Pathogenesis Mechanisms, Enzymes, Toxins & Virulence Factors

Silkworm Biology

1 Topic
Morphology, Mouthparts, Integument, and Molting in Silkworm Larvae

Ecology

3 Topics
Population Dynamics, Life Tables, and Ecological Principles Environmental Factors, Microclimate, and Insect Diapause Agroecosystem Ecology, Sampling Methods, and Pest Surveillance

Mycology

3 Topics
Fungal Classification, Nomenclature & Taxonomic Systems Fungal Morphology, Ultrastructure, Spore Biology & Reproduction Economic Mycology, Edible Mushrooms & Mycorrhizal Associations

Silkworm Protection

2 Topics
Silkworm Pests, Parasitoids, and Cocoon Predators (Uzi Fly and Dermestids) Protozoan and Fungal Diseases (Pebrine and Muscardine) and Disinfection

Biological Control

3 Topics
Principles of Biological Control, Parasitoids, and Predators Mass Production, Commercialization, and Transgenic Bioagents Biological Control of Weeds

Plant Bacteriology

2 Topics
Bacterial Morphology, Ultrastructure & Classification Fastidious Vascular Prokaryotes, Phytoplasmas & Spiroplasmas

Plant Nematode Relationships

1 Topic
Parasitic Adaptations, Feeding Habits & Secretions (IAA, CLAVATA-like Peptides)

Chemical Control and Toxicology

1 Topic
Insecticides Act, CIB&RC Regulations, Label Claims, and Safety

Plant Virology

2 Topics
Transmission Biology, Insect Vectors & Virus-Vector Interactions Viroids, Satellite Agents & Viral Purification/Nomenclature

Host Plant Resistance

2 Topics
Mechanisms of Host Plant Resistance to Insects Genetics, Biotypes, and Transgenic Insect-Resistant Crops

Nematode Pests of Crops

1 Topic
Nematode Parasites of Cereals, Millets, Pulses, Oilseeds & Fibre Crops

Nematode Management

1 Topic
Biological Control, Bioagents (Purpureocillium, Pochonia, Pasteuria), Host Resistance & INM

Novel Approaches in Pest Control

2 Topics
Semiochemicals, Pheromones, and Behavioral Manipulation Nanotechnology, RNA Interference, and Drone Regulations in Pest Management

Fungal Diseases of Crop Plants

1 Topic
Fungal Diseases of Horticultural, Plantation, Spice Crops & Mycotoxins

Integrated Pest Management

1 Topic
IPM Principles, Economic Decision Levels, and Economics

Bacterial and Viral Diseases of Crop Plants

2 Topics
Bacterial Diseases of Field, Fruit & Vegetable Crops Viral, Viroid & Phytoplasmal Diseases of Major Crops

Pesticide Application Equipment

1 Topic
Sprayers, Dusters, Nozzles, Application Volumes, and Drift Management

Management of Plant Diseases

1 Topic
Legislative Quarantine, SPS/WTO, Seed Certification & Cultural Practices

Pests of Field Crops and their Management

3 Topics
Pests of Cereals and Millets and their Management Active Polyphagous, Soil, Invasive, Vertebrate, and Molluscan Pests Pests of Commercial and Fiber Crops and their Management

Pests of Horticultural Crops and their Management

2 Topics
Pests of Vegetable Crops and their Management Pests of Plantation, Spice, Ornamental, Protected Crops, and Mushrooms

Pests of Stored Products and their Management

2 Topics
Biology, Damage, and Identification of Stored Grain Pests Grain Storage Structures, Moisture, Preventative and Fumigation Management

Insect and Mite Vectors of Plant Diseases

2 Topics
Vector Biology, Transmission Mechanisms, and Insect-Borne Plant Viruses Phytotoxemia, Toxicogenic Insects, Galls, and Vector Management

Honey Bees and Bee-keeping

1 Topic
Apiculture, Bee Species, Social Organization, and Caste Differentiation

Silkworms and Sericulture

1 Topic
Silkworm Rearing Technology, Cocoon Production, Pests, and Diseases

Lac Insect

1 Topic
Lac Insect Biology, Host Trees, Cultivation, Harvesting, and Enemies

Helpful and Useful Insects

1 Topic
Pollinators, Scavengers, Medicinal, Edible, and Forensic Insects

Statistics and Computer Application

1 Topic
Statistical Distributions, Experimental Designs, Probit Analysis, and Software in Entomology
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