APPSC Sericulture Officer Syllabus 2025 PDF Download | Check SO Exam Pattern

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APPSC Sericulture Officer Syllabus 2025 PDF Download | Check SO Exam Pattern: The latest APPSC Sericulture Officer Syllabus 2025 is uploaded on this page. The officials of the Andhra Pradesh Public Service Commission (APPSC) conduct the Exam as per the schedule. So, candidates need to check the entire APPSC Sericulture Officer Syllabus 2025 article. Moreover, on observing the APPSC Sericulture Officer Exam Syllabus 2025 PDF attached to the end of this page, you can easily know the correct APPSC SO Exam Pattern 2025 and the subject-wise, paper-wise APPSC SO Syllabus 2025. Furthermore, all the eligible candidates can directly check and perform according to the given APPSC Sericulture Officer Selection Process 2025.

You Can Also Check: APPSC Sericulture Officer’s Previous Papers

APPSC Sericulture Officer Syllabus 2025 – Information

Andhra Pradesh PSC SO Selection Process 2025

The selection of candidates for appointment to the posts shall be based on merit in
the computer-based examination followed by an Interview/ Oral Test, to be held as per the scheme of examination enunciated below. Appearance in all the papers of computer-based examination/ Mains examination is compulsory. The absence of any of the papers will automatically render the disqualification of the candidature.

• Prelims Examination (If Necessary)
• Mains Examination
• Interview/ Oral Test

NOTE: Officials of the Andhra Pradesh Public Service Commission (APPSC) conduct the Screening Tests in offline mode in case applicants exceed 25,000 in number and the main examination is in online mode for candidates selected in a screening test.

psc.ap.gov.in Sericulture Officer Exam Pattern 2025

Check the below table to get the latest Andhra Pradesh PSC Sericulture Officer Test Pattern. And we have attached the exact APPSC SO Exam Pattern 2025 which is collected from the official site @ psc.ap.gov.in. Moreover, the examination comprises three papers. Furthermore, the time given is 150 Minutes for each section. Candidates should be bold enough to complete the test on time. Each paper will be given 150 questions. Every correct answer carries one mark. There is also a negative marking for the test. Make a note and then move further.

Preparation Tips

• First, collect all the subject-wise Andhra Pradesh PSC Sericulture Officer Syllabus 2025 and APPSC SO Previous Papers.
• Estimate the Important Concepts Among them.
• Time breaks are also essential while preparing hard for any written examination so after 2-3 hours of study candidates should take a break of 15-20 minutes for mind fresh.
• Concentrate on the subject which consists of high weightage in the Andhra Pradesh PSC Sericulture Officer Examination 2025.
• After finishing the exam preparation, revise all the concepts carefully.
• Practice APPSC Sericulture Officer Previous Question Papers with Answers.
• Also, attend mock tests before the examination date.

APPSC Sericulture Officer Exam Syllabus 2025

PAPER-I: GENERAL STUDIES AND MENTAL ABILITY

1. Events of national and international importance.
2. Current affairs- international, national and regional.
3. General Science and it applications to the day to day life Contemporary developments in
Science & Technology and information Technology.
4. Social- economic and political history of modern India with emphasis on Andhra
Pradesh.
5. Indian polity and governance: constitutional issues, public policy, reforms and
e-governance initiatives with specific reference to Andhra Pradesh.
6. Economic development in India since independence with emphasis on
Andhra Pradesh.
7. Physical geography of Indian sub-continent and Andhra Pradesh.
8. Disaster management: vulnerability profile, prevention and mitigation strategies,
Application of Remote Sensing and GIS in the assessment of Disaster.
9. Sustainable Development and Environmental Protection
10. Logical reasoning, analytical ability and data interpretation.
11. Data Analysis:
a) Tabulation of data
b) Visual representation of data
c) Basic data analysis (Summary Statistics such as mean, median, mode, variance
and coefficient of variation) and Interpretation
12. Bifurcation of Andhra Pradesh and its Administrative, Economic, Social, Cultural,
Political, and Legal implications/problems.

PAPER-2:

SERICULTURE – I

1. GENERAL INTRODUCTION TO SERICULTURE AND ITS DISTRIBUTION IN INDIA.

Types of silk produced in India- Status of mulberry and non-mulberry Sericulture in India and at Global level- Economic importance – Scope of Sericulture in India- Employment potential and income generation of sericulture industry- History of Sericulture

2. MULBERRY CULTIVATION

Taxonomy and morphology of mulberry – Mulberry classification -Varieties and their
distribution. Mulberry cultivation practices under irrigated and rainfed conditions and schedule of package of practices Suitable soils- Location and climate for mulberry cultivation
Mulberry propagation: Sexual and Vegetative propagation
Cuttings: Preparation of Cuttings – Raising of nurseries
Grafting: Stem – Root – Bud grafting techniques
Layering: Ground- Air- Trench layering methods
Planting systems: Row system- Pit system -Paired row system
Fertilizer schedules for irrigated and raifed mulberry gardens
Pruning: Objectives and methods
Harvesting- Transportation – Preservation of mulberry leaves.

3. DISEASES AND PESTS OF MULBERRY

Diseases: General account of mulberry diseases – Foliar diseases – Root diseases – Stem
diseases –Causes – Symptoms-Preventive and control measures Deficiency diseases – Causes – Symptoms-Preventive and control measures Nematodes infesting mulberry- Occurrence- Distribution- Crop loss- Preventive and control measures
Pests: Leaf hoppers- Scale insects- Mealy bugs- White flies- Hairy caterpillars- Leaf cutters Termites- Distribution- Signs of attack- Crop losses –Preventive and control measures – Integrated pest management (IPM)

4. SILKWORM BIOLOGY AND PHYSIOLOGY

Systematic position of mulberry silkworm- External morphology of silkworm-Egg, Larva, Pupa and Adult – Embryology-Structure of Egg-Fertilization-Cleavage-Blastoderm-Germ band formation-Blast kinesis-Involution of the embryo Physiology of Digestion-Respiration-Circulation-Excretion-Glandular system- Reproduction

5. PREPARATION FOR SILKWORM REARING

Number of cocoon crops per year – Silkworm races – Model rearing house – Different types
of rearing houses – Rearing appliances – Sanitation – Importance and methods of disinfection – Different disinfectants – Bed disinfectants

6. REARING TECHNOLOGIES

Chawki Rearing Concept: Procurement silkworm eggs – Incubation – Black Boxing – Brushing of silkworms – Young age silkworm rearing technology – Late age silkworm rearing technology – Cleaning – Spacing -Objectives of spacing – Optimum spacing for different ages – Care during molting – Feeding behavior –Frequency- Preservation and quantity of mulberry leaf – Artificial diet – Environmental factors – Optimum conditions – Devices to control temperature and humidity.
Mounting and spinning: Methods of mounting – Types of mountages – Population Density –
Care during mounting spinning process – Harvesting of Cocoons – Time of Harvest – Cocoon sorting – Assessment – Transportation and Marketing.

7. SILK WORM EGG PRODUCTION

Marketing of seed cocoons and price fixing- Silkworm seed organization and its significance
(bivoltine and multivoltine).
Grain age operations: Procurement and preservation of seed cocoons- Sex separation- Moth emergence- Mating- Oviposition – Sheet and loose egg preparation – Packing and sale of eggs – Mother moth examination- Surface sterilization of eggs- Acid treatment of
hibernating eggs – Embryonic growth – Hibernating (Diapausing) eggs – Techniques of cold
storage of eggs – Artificial hatching

8. SILKWORM DISEASES

Types of diseases – Etiology – Viral diseases : Nuclear polyhedroids – Cytoplasmic polyhedroids – Infectious flacherie – Densonucleosis – Causative agents – Symptomology-Prophylactic measures
Bacterial diseases: Bacterial diseases of digestive tract-Bacterial septicemia – Toxicosis –
Causative agents- Symptomology- Prophylactic measures
Fungal diseases: White muscardine – Types – Causative agents – Life Cycle – Symptomology Prophylactic measures
Protozoan diseases: Pebrine – History Causative agent – Life Cycle – Mode of Transmission – Symptomology- Prophylactic measures

9. PESTS OF SILKWORM

Pests of Silkworm: Uzi fly – Classification – Morphology and life cycle of the parasitoid –Extent of crop loss – Management of Uzi fly menace – Dermested beetles – Life Cycle and control

10. COCOON ASSESSMENT AND PROCESSING TECHNOLOGIES

Cocoon properties-Assessment –Types of defective cocoon – Shell percentage -Shell ratio –
Filament length – Denier – Renditta- Raw silk percentage.
Cocoon stifling /drying- Objectives – Cocoon storage and preservation of cocoon in silk
reeling units-Cocoon boiling/cooking- Different methods

11. SILK REELING TECHNOLOGY

Silk reeling: Country charakha- Improved charakha – Cottage basin – Multiend- Semi
automatic – Automatic reeling machines – Passage of thread in various reeling machines Functions of components of reeling machines- Reeling basin- Jettebout-Porcelein button Croissure- Chambon type and tavellette type- Guide pulley -Tension pulley- Traverse
mechanism- Reel- Swift- Reel stop motion- Denier control device-Re reeling

12. SILK TESTING AND SPUN SILK PROCESSING

Raw silk testing- Visual and mechanical tests – Winding test- Size test- Tenacity- Elongation
test-Evenness, cleanness and neatness tests- Cohesion, Testing and grading -Spun silk
industry- Raw materials- Processing at different stages of spun silk fibers

13. NON-MULBERRY SERICULTURE

Introduction to Eri, Tasar and Muga culture- Distribution – Classification and Life cycle of Eri, Tasar and Muga- Primary and secondary food plants of Eri, Tasar and Muga silkworms Geographical distribution – Cocoon production technology – Disinfection – Incubation-Young age silkworm rearing -Late age silkworm rearing– Spinning- Harvesting

14. VALUE ADDED PRODUCTS OF MULBERRY AND SILKWORM

Value-adding Potentials in mulberry: Chemical composition of mulberry leaf and fruit –
Nutritional and medicinal values of mulberry –Other uses- value-adding potentials in seed and cocoon production –Nutritional value of Silkworm and silkmoth- Cocoon and silk art craft application – Silkworm as biotechnological and laboratory tool.

15. VALUE ADDED PRODUCTS OF SILK

Types of silk wastes – Spun silk- Noil yarn and its utility – Silkworm pupae as food material and its nutritional value – Pupal oil extraction and its uses-Defective and double cocoons for
production of dupion silk- Application of silk protein- Fibroin and sericin as biomaterials Pharmaceutical- Biomedical application- Cosmetic application

AGRICULTURE AND BIOSCIENCES

1. PRINCIPLES OF AGRONOMY

Agriculture in India – Indian economy – National income – Per capita income –Agricultural
income in GDP -Different agro climatic Zones of India and Andhra Pradesh – Crops and major soils – Classification – Economic and agricultural importance in India and Andhra Pradesh

2. PRINCIPLES OF SOIL SCIENCE

Soils of Andhra Pradesh – Major soil types- Characteristics and their distribution Problematic soils and their management: Acid and saline soils and methods of reclamation

3. MANURES AND FERTILIZERS

Organic manures and their applications: Farm yard manure-Compost-Vermicom post-Oil
cakes, Methods of compost and vermicom post preparations.
Green manuring: Green manure crops and their relevance in soil productivity.
Chemical fertilizers: Classification- Composition – Properties of major Nitrogenous, Phosphatic and potassic fertilizers, Secondary and micronutrient fertilizers, Complex fertilizers, Nano fertilizers.
Foliar nutrition: Foliar nutrient formulations- Mode of applications- Merits and demerits.
Bio fertilizers: Types: Nitrogen- Phosphate -Cellulolytic- Biological nitrogen fixation Importance Applications and limitations

4. IRRIGATION AND WATER MANAGEMENT

Importance of water – Water resources in India-Water sources- Water quality- Area under
irrigation in Andhra Pradesh
Crop water requirements – Water management practices – Methods of irrigation- Suitability – Limitations.

5. WEED MANAGEMENT

Harmful effects of weeds – Herbicides – Advantages and limitations of herbicide usage in India – Selectivity of herbicides – Herbicides and their interaction with fertilizer
Preventive and control methods: Physical-Chemical- Biological weed management
techniques, Integrated weed management

6. STRUCTURAL ORGANIZATION OF PLANT CELLS

Ultra structure of plant cell- Structure of cell organelles and function
Tissue systems in plants – Origin- Structure, and function of simple and complex tissues, Cell cycle- Mitosis and Meiosis.

7. PHOTOSYNTHESIS

Structure and function of Chloroplast- Photosynthetic pigments and their characteristics –
Photosynthetic carbon assimilation in C3, C4 and CAM Plants- Photorespiration- Mechanism
and regulation.

8. RESPIRATION

Glycolysis- Tricarboxylic Acid Cycle (TCA cycle) – Electron transport- Pentose phosphate
pathway- Mechanism and Significance

9. PLANT DEVELOPMENT AND GROWTH REGULATORS

Pattern of plant growth and development- Growth kinetics- Morphogenesis- Principles of
differentiation Natural and Synthetic growth regulators: Auxins- Gibberelins- Cytokinins- Abscisic acid Ethylene- Brassino steroids- Polyamines-Jasmonic acid -Salicylic acid.

10. PLANT TISSUE CULTURE

Preparatory techniques – Cleaning- Sterilization – Media –Types and Composition, Callus –
Growth pattern/characteristics, Organogenesis and plant regeneration, Acclimatization
Somatic embryogenesis-Anther- Endosperm- Pollen cultures-Significance and advantages
of haploid plants- Production of virus-free plants.

11. STRUCTURAL ORGANIZATION OF ANIMAL CELLS

Cell Membrane structure and function – Structural organization and function of intracellular
organelles: Cytoplasm – Nucleus – Mitochondria- Endoplasmic reticulum – Golgi apparatus Ribosomes – Lysosomes – Peroxisomes -Vacuoles – Structure and function of cytoskeleton and its role in motility Cell division and cell cycle

12. ANIMAL PHYSIOLOGY

Digestion: Functional anatomy of digestive system – Digestion and digestive secretions –
Absorption – Assimilation Respiratory system – Transport of gases- Exchange of gases – Respiratory quotient – Respiratory Pigments – Waste elimination.
Nervous system – Neurons- Action potential – Gross neuroanatomy of the brain and spinal cordCentral and peripheral nervous system- Neural control of muscle tone and posture – Sense organs.
Circulatory System: Physiology of heartbeat- Blood and circulation – Blood corpuscles Haemopoiesis – Plasma function – Blood volume – Blood groups – Hemoglobin – Immunity – Haemostasis.
Excretory system – Physiology of excretion – Formation of nitrogenous excretory products –
Ammonia – Urea – Uric acid – Waste elimination -Regulation of water balance
Endocrinology and reproduction – Endocrine glands and its secretion – Reproductive processes Gametogenesis- Ovulation- Neuro-endocrine regulation.

13. BIOMOLECULES

Carbohydrates: Structure- Properties – Classification – Pathways of metabolism of glucose Glycogenesis- Glycogenolysis- Glycolysis-Citric acid cycle- Gluconeogenesis- HMP pathwayUronic acid pathway
Proteins: Structure- Classification and properties -Amino acids- Structure- Classification and properties
Lipids: Structure-Chemical nature-Classification- Biological functions
Nucleic acids: Types – Functions – Structure of DNA and RNA – DNA synthesis RNA synthesis
(Transcription) – Protein synthesis (Translation)

14. ENVIRONMENTAL BIOLOGY

General account on biomes and their environment
Fresh water: Classification and characteristics of freshwater bodies-Eutrophication-Seasonal
changes
Marine: Classification and Characteristics- Shores and Estuaries
Terrestrial: Forests- Grasslands- Tundra- Mountains -Caves.
Ecology: Components of an Ecosystem – Tropic levels – Food chain and food web – Energy
flow in ecosystem.

15. ENVIRONMENTAL POLLUTION

Kinds of pollution- Air pollution: Criteria and standards in India-Health hazards and toxicology Green house effect-Acid rains-International conventions on ozone-Climate Water pollution: Criteria and standards-Waste – Water treatment – Microbial ecology of
Activated Sludge-Modern methods of waste water treatment – Solid waste treatment -Noise
Pollution-Radiation Pollution – Global environmental change – Ecological effects of pollution Monitoring pollution – Remote Sensing as a tool for study and management of environment.

APPSC Sericulture Officer Syllabus 2025 Download Link

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