Delhi Forest Guard, Ranger, Wildlife Guard Recruitment 2020 Question Paper with Answer Key

I. General Aptitude

Maths:- The questions will be designed to test the ability of appropriate use of numbers and number sense of the candidate. The scope of the test will be computation of whole numbers, decimals, fractions, and relationships between numbers, Percentage. Ratio & Proportion, Square roots, Averages, Interest, Profit and Loss, Discount, Partnership Business, Mixture and Allegation, Time and distance, Time & Work, Basic algebraic identities of School Algebra, Graphs of Linear Equations, Triangle and its various kinds of centers, Congruence and similarity of triangles, Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles, Triangle, Quadrilaterals, Heights and Distances, Histogram, Bar diagram & Pie chart. 

English:- Questions in this components will be designed to test the candidate’s understanding and knowledge of English Language and will be based on the spot the error, fill in the blanks, synonyms, antonyms, spelling/ detecting misspelled words, idioms & phrases, one-word substitution, improvement of sentences, active/passive voice of verbs, conversion into direct/indirect narration, shuffling of sentence parts, shuffling of sentences in a passage, cloze passage & comprehension passage

Reasoning:- It would include questions of both verbal and non-verbal types. This component may include questions on analogies, similarities and differences, space visualization, spatial orientation, problem-solving, analysis, judgment, decision making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning and figural classification, arithmetic number series, non- verbal series, coding, and decoding, statement conclusion, syllogistic reasoning, etc. The topics are, Semantic Analogy, Symbolic/ Number Analogy, Figural Analogy, Semantic Classification, Symbolic/Number Classification, Figural Classification, Semantic Series, Number Series, Figural Series, Problem Solving, Word Building, Coding & de-coding, Numerical Operations, symbolic Operations, Trends, Space Orientation, Space Visualization, Venn Diagrams, Drawing inferences, Punched hole/pattern–folding & un-folding, Figural Pattern– folding and completion, Indexing, Address matching, Date & city matching, Classification of center codes/roll numbers, Small & Capital letters/numbers coding, decoding and classification, Embedded Figures, Critical thinking,
Emotional Intelligence, Social Intelligence, Other sub-topics, if any

GK:-  Questions in this component will be aimed at testing the candidate’s general awareness of the environment around him and its application to society. Questions will also be designed to test knowledge of current events and of such matters of everyday observations and experience in their scientific aspect as may be expected of any educated person. The test will also include questions relating to India and its neighboring countries especially pertaining to History, Culture, Geography, Economic Scene, General Policy & Scientific Research. 

II. Science, Technology, and Environment

Physics:- Units & Dimension, Motion, Work, Energy, and Power, Gravitation, Pressure, Floatation, Surface Tension, Viscosity, Elasticity, Simple Harmonic Motion, Wave, Sound Wave, Heat & Thermodynamics, Light, Static Electricity, Current Electricity, Magnetism, Atomic and Nuclear Physics, Scientific Instruments, Inventions, Radioactivity, Nuclear fission and fusion, Electromagnetism, The four fundamental forces, The kinetic theory of matter, Magnetic effect of electric current, The Human eye and Defects.

Chemistry:- Matter and its state, Atomic Structure, Chemical Bonding, Periodic Classification of Element, Oxidation and Reduction, Acids, Base and Salts; Behavior of Gases, Electrolysis, Carbon and its Compound, Fuels, Metallurgy, Metals, and Non-metals, Chemical Reactions, Radioactivity, Electrochemistry, Catalyst, Hydrocarbons, List of important Drugs and Chemicals, Fertilizers, Concepts of the pH scale

Biology (Optional):- Introduction, Classification of Organisms, Cytology, Genetics, Structure of Plant and Animal Cell, Classification of Plant Kingdom, Plant Morphology, Plant tissue, Photosynthesis, Plant Hormones, Plant Diseases, Mode of Nutrition in Plant, Control and Coordination in Plant, Sexual Reproduction in Flowering Plant, Asexual Reproduction in Plant, the Transport system in Plant, Respiration, and Excretion in plants, The Cell: The foundation of all living things, Cell: Structure and Functions, Control and Coordination in Human, Human Reproductive system, Excretory system in Humans, Respiratory the system in Humans, Human Circulatory system, The Heart, Composition of Blood, Functions of Blood, Human Digestive system, Cell Division, Food and Nutrition, Human Diseases, Nuclear fission, and nuclear fusion, Classification of Animal Kingdom, The five kingdoms of life, Mode of Nutrition in Animal, Nutrition in Animal, Sexual Reproduction in Animal, Respiration in Animals

Mathematics (Optional):- Real Numbers, Polynomials, Pair of Linear Equations in Two Variables, Quadratic expressions & Equations, Progressions, Triangles, Coordinate Geometry, Trigonometry, Circles, Constructions, Areas, Surface Areas, Volumes, Statistics, Probability, Graphs.

Technology:- 1. Role/impact of Science & Technology in Indian Development
2. Advancements in Life Sciences, Natural Sciences, Agriculture Science, and Energy sector
3. Issues/challenges of development on Ecology and Environment
4. Infrastructure: Energy, Ports, Roads, Airports, Railways etc.
5. Energy resources: Growing energy needs, renewable and non-renewable energy sources, use of alternate energy sources.
6. Biotechnology: Definition and explanation, Transgenic and Cryogenic Organisms, Types, Bt Brinjal, Bt Cotton, Genetic Pollution, Concerns about GM food
7. Information Technology: Important terms in computers and IT
8. Nanotechnology: Definition and basic information
9. Space Technology: Space Research, Types of Orbits, Types of Satellites
10.Electromagnetic Spectrum: Important Terms, Types of EM Spectrum, Different generations in Wireless Telephony, 3G v/s 4G
11.Food and Nutrition: Important Terms, Hunger and Malnutrition, food resources and food problems, changes caused by agriculture and overgrazing, effects of modern agriculture, fertilizer-pesticide problems, waterlogging, salinity, organic agriculture.

Environment:- 1. Conservation, environmental pollution, and degradation, environmental impact assessment
2. Biodiversity – importance for human survival, International Union for Conservation of Nature and Natural Resources, biodiversity hot spots, Red Data Book.
3. Basic components of an ecosystem-structure and functional aspects of an Ecosystem-Tropic structure-Ecological Niche-Ecological Dominance Stability, Diversity rule. Homeostasis, aquatic Ecosystem physicochemical nature of lentic and lotic ecosystems. Types of aquatic ecosystem-structure and organization with examples of freshwater Ecosystem. Marine water ecosystem, estuarine water EcosystemMangroves. Terrestrial Ecosystem: Tundra forest, Grassland, Desert ecosystem. Energy flow in ecosystems-Laws of Thermodynamics. Productivity-Biomass production, primary productivity, and net productivity. Food Chain – Types of the food chain with examples, Foodweb, Ecological pyramid of biomes.
4. Environmental ecology – terms, effects of environmental degradation
5. Pollution – types, impacts, solutions, acid rain, smog, greenhouse gases, algal bloom, the ozone layer.
6. Waste management: Biochemical wastes, Municipal solid wastes, plastic wastes
7. Sustainable Development – concept, technologies, renewable energy sources, bio-fertilizers, bio-pesticides, biomass gasification.
8. Conservation – conservation of natural resources, wildlife conservation, national parks, wetlands, biosphere reserves.
9. Climate change – Kyoto Protocol, Montreal Protocol, climate change summits held.
10.Ecologically sensitive areas in India – Western Ghats, Himalayas, Aravallis, etc.
11.Laws, regulatory bodies and policies at national and international level Environment Protection Act, National Biodiversity Authority, Forest Right Act, protocols and summits like Nagoya Protocol, Cartagena Protocol, and Lima Conference, etc.
12.UNEP, FAO, UNESCO
13.Ramsar Convention, Montreux Record, the three Rio Conventions- Convention on Biological Diversity (CoB), United Nations Framework Convention on Climate Change (UNFCCC) and the United Nations Convention to Combat Desertification – from the 1992 Earth Summit, etc.
14.Carbon trading and leakage issues, Kyoto mechanism, emission trading, etc.