Skip to main content

icar jrf syllabus- PHYSICAL SCIENCE



 MAJOR SUBJECT GROUP - PHYSICAL SCIENCE


Sub-Subjects: 

3.1: Agricultural / Agro. Meteorology 
3.2 : Soil Science & Agricultural Chemistry/ Soil Conservation and Water Management/ SWC/ Irrigation and Water Management, 
3.3: Agricultural Physics, 
3.4: Agricultural Chemicals, 
3.5: Environmental Science.


UNIT-I: 

Importance of Agriculture in national perspective; basic principles of crop production, diversification, diversification of Agriculture, principle of nutrient and water management, package of practices for rice, wheat sorghum, maize, chickpea, pigeon pea, potato, sugarcane, groundnut, major vegetable crops. Role of essential plant nutrients, their deficiency symptoms and management options. Structure and function of plant cells, cell division, Basic concept of plant physiology relating to crop production-  Biochemical  compounds  viz,  carbohydrates, proteins, enzymes, fats, liquid vitamins and their function, developmental programmes relating to rural upliftment and livelihood security; organisational set up of agricultural education research and extension and future strategies for up gradation.

UNIT-II: 

Volumetric and gravimetric analysis including complexmetric methods, periodic classification of element, Basic principle of instrumental analysis including spectro-photometry (Absorption and emission spectrography), Atomic structure –elementary concept of radioactivity, element and compound common ion effect, solubility product— hydrolysis of salts, buffer solution indicates equivalent weights and standard solution.
Elementary concepts of organic compounds- nomenclature and classifications including hydrocarbons, alcohol, aldehydes, acids and esters, carbohydrates, fats and liquids, amino acids, nucleic acids. Pesticides, their classification and uses; biopesticides and botanical pesticides.

UNIT-III:

 Soil as a medium for plant growth, composition of earth’s crust, weathering of rocks and minerals, components of soil- their importance, soil profile, soil partials- physical mineralogical and chemical nature. Mechanical analysis, Stokes law, assumptions, limitations and applications. Soil, physical properties- density, porosity, texture, soil structure and their brief descriptions. Rheological properties in soils, calculations of porosity and bulk density. Soil air-Aeration, causes of poor aeration, factors affecting aeration, importance for plant growth. Soil temperature - sources and losses of soil heat. Factors affecting soil temperature, its importance in plant growth. Soil water- structure of water, soil-water-energy relationship, classifications, surface tension and movement in soil. Soil colloids- properties, structure of silicate clay minerals, sources of negative charges, properties, kaolinite, illite, montmorillonite and vermiculite clay minerals, milli-equivalent concept , cation exchange capacity, anion exchange capacity, buffering of soils. Problem soils- acid, saline, sodic and acid sulphate soils – their characteristics, formation, problems and management. Irrigation, water quality and its evaluation. Waterlogged soils- basic features, distinction with upland soils.

UNIT-IV: 

Essential plant nutrients- criteria of essentiality, functions for plant growth, mechanisms for movement and uptake of ions in soils and plants, Forms of nutrients in soils, deficiency symptoms on plants, luxury consumption, nutrient interactions and chelated micronutrients. Soil fertility, evaluation and management for plant growth, soil testing and fertilizer recommendations. Soil classifications- diagnostic surface and sub- surface horizons, soil survey- types, objectives, uses, land capability classifications. Remote sensing and its application in agriculture, SIS, GIS and GPS- basic features and uses in agriculture, Elementary concepts of radio isotopes and uses in agriculture. Soil micro-organisms, Classifications and their roles. Organic matter- decomposition, C:N ratios, mineralization and immobilization processes, humus, role of organic matter in soil quality. Soil erosion, types and control measures. Fertilizers and manures- classifications, NPK fertilizers, their reactions in soils, green manuring, recycling of organic wastes, composting. Soil and water pollution- sources, brief idea about different pollutants in soils and their managements.

Comments

Popular posts from this blog

Tamil eligibility test sslc standard free mock test | 100 MCQ

TNPSC AO Free Mock Test Time left = tnpsc free online test in tamil medium, Tamil eligibility test sslc standard, tamil eligibility test sslc standard, tnpsc group 2 tamil eligibility test model question paper, free mock test for tnpsc group Q1 ) வேர்ச்சொல்லுக்குரிய வினையெச்சம் இடம்பெறாத இணையைத் தேர்ந்தெடுக்க. வா - வந்து காண் - கண்ட கொள் - கொண்டு நில் -நின்று Q2 ) வேர்ச்சொல்லைத் தேர்வு செய்க. வாழியர் வாழ் வாழி வா வாழிய Q3 ) ஒரு பொருள் தரும் பல சொற்கள் 'நெருப்பு' அனல், கனல் தணல், வெயில் தண்ணீர், தீ வெயில், குளிர் Q4 ) ஒலி மற்றும் பொருள் வேறுபாடறிந்து சரியான பொருளை கண்டறிக. அலை - அளை கூப்பிடு - தயிர் நத்தை - சேறு துன்பம் - சோறு கடல் - பாம்புப்புற்று Q5 ) விலை, விளை, விழை ப

Tnpsc agricultural officer free mock test

TNPSC AO Free Mock Test Time left = IBPS AFO FREE QUIZ TNPSC AO exam date 2023, tnpsc ao syllabus, tnpsc ao notification, tnpsc ao, tnpsc ao question paper, tnpsc ao free mock test Pennisetum violaceum is a source for _____in Bajra Downy mildew resistance Ergot disease resistance Male sterility Stem borer resistance Which of the following method is not relevant to hybrid rice seed production? Three-line system Two-line system Using chemical emasculators Using Gynomonoecious lines Seedlings with weak (or) unbalanced development of essential structures are referred as Decayed seedlings Deformed seedlings Damaged seedlings Diseased seedlings Minimum germination limits prescribed for labelled seed of cotton is___(%) 80 65 75 60 Number of plants required for sample for maximum permissible off-types

IBPS SO FREE QUIZ

IBPS AFO QUIZ FREE Time left = IBPS AFO FREE QUIZ Soybean is plant Long day Short day Intermediate day length Day neutral Which crop has the maximum yield potential in the world Wheat Chickpea Maize Rice Rice can survive in an aquatic environment It is tolerant to water It can transport O2 from the leaves to the roots It is aquatic plant All The inflorescence of sugarcane is Panicle Spike Cob Arrow When fertility gradient in one direction, the statistical design to be used CRD RBD SPD LSD Split application of fertilizers is useful under Sandy soil Loamy soil Clayey soil All The oil and protein content of groundnut are 45 & 26 % 20 & 50 % 35 & 45 % 52 & 20 The ICAR was esta