2019 English Questions Set -2

CBSE Class 10 English Question Paper

CBSE Question Paper 2019
2019 English Questions Set -2

Time allowed : 3 Hours
Maximum Marks : 100
General Instruction :

The question paper comprises five sections, A, B, C, D and E. You are to attempt all the sections.

  1. All questions are compulsory.
  2. Internal choice is given in sections B, C, D and E.
  3. Question numbers 1 and 2 in Section-A are one-mark questions. They are to be answered in one word or in one sentence.
  4. Question numbers 3 to 5 in Section B are two-marks questions. These are to be answered in about 30 words each.
  5. Question numbers 6 to 15 in Section C are three-marks questions. These are to be answered in about 50 words each.
  6. Question numbers 16 to 21 in Section D are five-marks questions. These are to be answered in about 70 words each.
  7. Question numbers 22 to 27 in Section E are based on practical skills. Each question is a two marks question. These are to be answered in brief.

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  • Chapter 1 - Real Number
  • Chapter 2 - Polynomials
  • Chapter 3 - Pair of linear equations
  • Chapter 4 - Quadratic equations
  • Chapter 5 - Arithmetic progressions
  • Chapter 6 - Triangles
  • Chapter 7 - Coordinate Geometry
  • Chapter 8 - Introduction to trigonometry
  • Chapter 9 - Some applications of trigonometry
  • Chapter 10 - Circles
  • Chapter 11 - Constructions
  • Chapter 12 - Area Related to circles
  • Chapter 13 - Surface Area and volumes
  • Chapter 14 - Statistics
  • Chapter 15 - Probability


DETAILED SYLLABUS :
1 Real Number
1.1 Real Number
1.1.1 Introduction
1.1.2 Euclid’s Division Lemma
1.1.3 The Fundamental Theorem of Arithmetic
1.1.4 Revisiting Irrational Numbers
1.1.5 Revisiting Rational Numbers and Their Decimal Expansions

2 Polynomial
2.1 Polynomial
2.1.1 Introduction
2.1.2 Geometrical Meaning of the Zeroes of a Polynomial
2.1.3 Relationship between Zeroes and Coefficients of a Polynomial
2.1.4 Division Algorithm for Polynomials

3 Linear Equation in Two Variable
3.1 Pair of Linear Equations in Two Variables
3.1.1 Introduction
3.1.2 Pair of Linear Equations in Two Variables
3.1.3 Graphical Method of Solution of a Pair of Linear Equations
3.2 Solving a Pair of Linear Equations
3.2.1 Substitution Method
3.2.2 Elimination Method
3.2.3 Cross - Multiplication Method
3.3 Equations Reducible to a Pair of Linear Equations in Two Variables

4 Quadratic Equation
4.1 Quadratic Equations
4.1.1 Introduction
4.1.2 Quadratic Equations
4.1.3 Solution of a Quadratic Equation by Factorisation
4.1.4 Solution of a Quadratic Equation by Completing the Square
4.1.5 Nature of Roots
4.1.6 Applications of quadratic equations

5 Arithmetic Progression
5.1 Arithmetic Progression
5.1.1 Introduction
5.1.2 Introduction
5.1.3 Arithmetic Progression
5.1.4 nth Term of an AP
5.1.5 Sum of First n Terms of an AP

6 Triangles
6.1 Triangles
6.1.1 Introduction
6.1.2 Similar Figures
6.1.3 Similarity of Triangles
6.1.4 Criteria for Similarity of Triangles
6.1.5 Areas of Similar Triangles
6.1.6 Pythagoras Theorem

7 Coordinate Geometry
7.1 Coordinate Geometry
7.1.1 Introduction
7.1.2 Distance Formula
7.1.3 Section Formula
7.1.4 Area of a Triangle

8 Trigonometry
8.1 Trigonometry
8.1.1 Introduction
8.1.2 Trigonometric Ratios
8.1.3 Trigonometric Ratios of Some Specific Angles
8.1.4 Trigonometric Ratios of Complementary Angles
8.1.5 Trigonometric Identities

9 Application of Trigonometry
9.1 Some applications of Trigonometry
9.1.1 Introduction
9.1.2 Heights and Distances

10 Circles
10.1 Circles
10.1.1 Introduction
10.1.2 Tangent to a Circle
10.1.3 Number of Tangents from a Point on a Circle

11 Construction
11.1 Construction
11.1.1 Introduction
11.1.2 Division of a Line Segment
11.1.3 Construction of Tangents to a circle

12 Areas Related to Circle
12.1 Areas related to circle
12.1.1 Introduction
12.1.2 Perimeter and Area of a Circle — A Review
12.1.3 Areas of Sector and Segment of a Circle
12.1.4 Areas of Combinations of Plane Figures

13 Surface Area and Volume
13.1 Surface Area & volume
13.1.1 Introduction
13.1.2 Surface Area of a Combination of Solids
13.2 Volumes
13.2.1 Volume of a Combination of Solids
13.3 Surface Area & volume
13.3.1 Conversion of Solid from One Shape to Another
13.3.2 Frustum of a Cone

14 Statistics
14.1 Statistics
14.1.1 Introduction
14.1.2 Mean of Grouped Data
14.1.3 Mode of Grouped Data
14.1.4 Median of Grouped Data
14.1.5 Graphical Representation of Cumulative Frequency Distribution

15 Probability
15.1 Probability — A Theoretical Approach

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Through our e-learning course, we have made sincere attempts to build interest in the child towards Science. We are teaching the basics of all the topics and its applications in real life situations. We also ensure to provide enough situations and scenarios through our practice questions for in-depth learning and thinking to begin from the formative years. Every chapter of the subject has been meticulously designed by subject experts who have years of experience in the field of academics. We also provide worksheets to help students evaluate themselves and learn from their mistakes. Each question also comes with answers. These answers are intended to provide students with a clearer understanding of every concept in detail.


FEATURES OF THE COURSE :

• Exhaustive practice tests
• Unlimited attempts
• Friendly self-indulging worksheets
• Progressive practice patterns
• Personalized Learning Dashboard
• Concept-wise Analytics
• Instant feedback mechanism
• All India comparison of progress


BENEFITS OF THE COURSE :

• Improved performance – With our scientifically designed content, you are bound to see significant improvements in your performance in Science.
• Attain the desired Learning – Get the desired learning outcome in 10th class Science with our exhaustive models for class 10 CBSE.
• Easy tracking of progress – We provide easy tracking facility to help you understand how you are progressing with every step in the course.
• Self-paced learning – Every individual has a different learning pace. Keeping that in mind, we have designed the course to be self-paced.
• Identify focus areas – You may be better in certain concepts than others. This course will facilitate you for a better understanding of the areas you need to focus more.
• Build strong foundations – With this course, we aim to help you understand every concept of the subject so that your foundation in Science is very strong. Solid foundation right from the formative years will help build your interest in the subject further.
• Simple parent’s supervision – Parents will be able to monitor their children’s performance easily with the features provided in the course.
• Quick re-learning – Even if you fail at solving problems, you will able to solve the problems again till you get it, thus allowing room for re-learning.


COURSES OFFERED :

• Class 10 – Physics
• Class 10 – Chemistry
• Class 10 – Biology
• Class 10 – Exam Revision


SYLLABUS :

  • Chapter 1 - Chemical reaction and equation
  • Chapter 2 - Acid, Bases and salt
  • Chapter 3 - Metals and Non- Metals
  • Chapter 4 - Carbon and Its Compounds
  • Chapter 5 - Periodic Classification Of elements
  • Chapter 6 - Life Process
  • Chapter 7 - Control and Coordination
  • Chapter 8 - How do Organisms Reproduce?
  • Chapter 9 - Heredity and Evolution
  • Chapter 10 - Light, Reflection and refraction
  • Chapter 11 - Human Eye and colourful world
  • Chapter 12 - Electricity
  • Chapter 13 - Magnetic Effect of an electric current
  • Chapter 14 - Sources of energy
  • Chapter 15 - Sources of Energy
  • Chapter 16 - Our Environment
  • Chapter 17 - Sustainable Management of Natural Resources


DETAILED SYLLABUS :
1. CHEMICAL REACTIONS AND EQUATIONS

1.1 Chemical equations
1.1.1 Writing a chemical equation
1.1.2 Balanced chemical equations
1.2 Types of chemical reactions
1.2.1 Combination reaction.
1.2.2 Decomposition reaction
1.2.3 Displacement reactions
1.2.4 Double displacement reaction
1.2.5 Oxidation and reduction
1.3 Have you observed the effects of oxidation reactions in everyday life?
1.3.1 Corrosion
1.3.2 Rancidity

2. ACIDS, BASES AND SALTS
2.1 Understanding the chemical properties of acids and bases
2.1.1 Acids and bases in the laboratory
2.1.2 How do acids and bases react with metals?
2.1.3 How do metal carbonates and metal hydrogencarbonates react with acids?
2.1.4 How do acids and bases react with each other?
2.1.5 Reaction of metallic oxides with acids
2.1.6 Reaction of a non-metallic oxide with base
2.2 What do all acids and all bases have in common
2.2.1 What happens to an acid or a base in a water solution?
2.3 How strong are acid or base solutions?
2.3.1 Importance of ph in everyday life
2.3.2 Are plants and animals ph sensitive?
2.3.3 What is the ph of the soil in your backyard?
2.3.4 ph in our digestive system
2.3.5 ph change as the cause of tooth decay
2.3.6 Self defence by animals and plants through chemical warfare
2.4 More about salts
2.4.1 Family of salts
2.4.2 ph of salts
2.4.3 Chemicals from common salt
2.4.4 Are the crystals of salts really dry?

3. METALS AND NON-METALS
3.1 Physical properties
3.1.1 Metals
3.1.2 Non-metals
3.2 Chemical properties of metals
3.2.1 What happens when metals are burnt in air?
3.2.2 What happens when metals react with water?
3.2.3 What happens when metals react with acids?
3.2.4 How do metals react with solutions of other metal salts?
3.2.5 The reactivity series
3.3 How do metals and non-metals react?
3.3.1 Properties of ionic compounds
3.4 Occurrence of metals
3.4.1 Extraction of metals
3.4.2 Enrichment of ores
3.4.3 Extracting metals low in the activity series
3.4.4 Extracting metals in the middle of the activity series
3.4.5 Extracting metals towards the top of the activity series
3.4. 5 Refining of metals
3.5 Corrosion
3.5.1 Prevention of corrosion

4. CARBON AND ITS COMPOUNDS
4.1 Bonding in carbon – the covalent bond
4.2 Versatile nature of carbon
4.2.1 Saturated and unsaturated carbon compounds
4.2.2 Chains, branches and rings
4.2.3 Will you be my friend?
4.2.4 Homologous series
4.2.5 Nomenclature of carbon compound
4.3 Chemical properties of carbon compounds
4.3.1 Combustion
4.3.2 Oxidation
4.3.3 Addition reaction
4.3.4 Substitution reaction
4.4 Some important carbon compounds – ethanol and ethanoic acid
4.4.1 Properties of ethanol
4.4.2 Properties of ethanoic acid
4.5 Soaps and detergents

5. PERIODIC CLASSIFICATION OF ELEMENTS
5.1 Making order out of chaos – early attempts at the classification of elements
5.1.1 Döbereiner’s triads
5.1.2 Newlands law of octaves
5.2 Making order out of chaos – Mendeléev’s periodic table
5.2.1 Achievements of Mendeléev’s periodic table
5.2.2 Limitations of Mendeléev’s classification
5.3 Making order out of chaos – the modern periodic table
5.3.1 Position of elements in the modern periodic table
5.3.2 Trends in the modern periodic table

6. LIFE PROCESSES
6.1 What are life processes?
6.2 Nutrition
6.2.1 How do living things get their food?
6.2.1 Autotrophic nutrition
6.2.2 Heterotrophic nutrition
6.2.3 How do organisms obtain their nutrition?
6.2.4 Nutrition in human beings
6.3 Respiration
6.4 Transportation
6.4.1 Transportation in human being
6.4.2 Transportation in plants
6.5 Excretion
6.5.1 Excretion in human beings
6.5.2 Excretion in plants

7. CONTROL AND COORDINATION
7.1 Animals – nervous system
7.1.1 What happens in reflex actions?
7.1.2 Human brain
7.1.3 How are these tissues protected?
7.1.4 How does the nervous tissue cause action?
7.2 Coordination in plants
7.2.1 Immediate response to stimulus
7.2.2 Movement due to growth
7.3 Hormones in animals

8. HOW DO ORGANISMS REPRODUCE?
8.1 Do organisms create exact copies of themselves?
8.1.1 The importance of variation
8.2 Modes of reproduction used by single organisms
8.2.1 Fission
8.2.2 Fragmentation
8.2.3 Regeneration
8.2.4 Budding
8.2.5 Vegetative propagation
8.2.6 Spore formation
8.3 Sexual reproduction
8.3.1 Why the sexual mode of reproduction
8.3.2 Sexual reproduction in flowering plants
8.3.3 Reproduction in human beings
8.3.3 (a) Male reproductive system
8.3.3 (b) Female reproductive system
8.3.3 (c) What happens when the egg is not fertilised?
8.3.3 (d) Reproductive health

9. HEREDITY AND EVOLUTION
9.1 Accumulation of variation during reproduction
9.2 Heredity
9.2.1 Inherited traits
9.2.2 Rules for the inheritance of traits – mendel’s contributions
9.2.3 How do these traits get expressed?
9.2.4 Sex determination
9.3 Evolution
9.3.1 An illustration
9.3.2 Acquired and inherited traits
9.4 Speciation
9.5 Evolution and classification
9.5.1 Tracing evolutionary relationships
9.5.2 Fossils
9.5.3 Evolution by stages
9.6 Evolution should not be equated with ‘progress’
9.6.1 Human evolution

10. LIGHT – REFLECTION AND REFRACTION
10.1 Reflection of light
10.2 Spherical mirrors
10.2.1 Image formation by spherical mirrors
10.2.2 Representation of images formed by spherical mirrors using ray diagrams
10.2.3 Sign convention for reflection by spherical mirrors
10.2.4 Mirror formula and magnification
10.3 Refraction of light
10.3.1 Refraction through a rectangular glass slab
10.3.2 The refractive index
10.3.3 Refraction by spherical lenses
10.3.4 Image formation by lenses
10.3.5 Image formation in lenses using ray diagrams
10.3.6 Sign convention for spherical lenses
10.3.7 Lens formula and magnification
10.3.8 Power of a lens

11. THE HUMAN EYE AND THE COLOURFUL WORLD
11.1 The human eye
11.1.1 Power of accommodation
11.2 Defects of vision and their correction
11.3 Refraction of light through a prism
11.4 Dispersion of white light by a glass prism
11.5 Atmospheric refraction
11.6 Scattering of light
11.6.1 Tyndall effect
11.6.2 Why is the colour of the clear sky blue?
11.6.3 Colour of the sun at sunrise and sunset
12.ELECTRICITY
12.1 Electric current and circuit
12.2 Electric potential and potential difference
12.3 Circuit diagram
12.4 Ohm’s law
12.5 Factors on which the resistance of a conductor depends
12.6 Resistance of a system of resistors
12.6.1 Resistors in series
12.6.2 Resistors in parallel
12.7 Heating effect of electric current
12.7.1 Practical applications of heating effect of electric current
12.8 Electric power

13. MAGNETIC EFFECTS OF ELECTRIC CURRENT
13.1 Magnetic field and field lines
13.2 Magnetic field due to a current-carrying conductor
13.2.1 Magnetic field due to a current through a straight conductor
13.2.2 Right-hand thumb rule
13.2.3 Magnetic field due to a current through a circular loop
13.2.4 Magnetic field due to a current in a solenoid
13.3 Force on a current-carrying conductor in a magnetic field
13.4 Electric motor
13.5 Electromagnetic induction
13.6 Electric generator
13.7 Domestic electric circuits

14. SOURCES OF ENERGY
14.1 What is a good source of energy?
14.2 Conventional sources of energy
14.2.1 Fossil fuels
14.2.2 Thermal power plant
14.2.3 Hydro power plants
14.2.4 Improvements in the technology for using conventional sources of energy
14.3 Alternative or non-conventional sources of energy
14.3.1 Solar energy
14.3.2 Energy from the sea
14.3.3 Geothermal energy
14.3.4 Nuclear energy
14.4 Environmental consequences
14.5 How long will an energy source last us?

15. OUR ENVIRONMENT
15.1 What happen when we add our waste to the environment
15.2 Eco-system — what are its components?
15.2.1 Food chains and webs
15.3 How do our activities affect the environment?
15.3.1 Ozone layer and how it is getting depleted
15.3.2 Managing the garbage we produce

16. MANAGEMENT OF NATURAL RESOURCES
16.1 Why do we need to manage our resources?
16.2 Forests and wild life
16.2.1 Stakeholders
16.2.2 Sustainable management
16.3 Water for all
16.3.1 Dams
16.3.2 Water harvesting
16.4 Coal and petroleum
16.5 An overview of natural resource management

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