CBSE Sample Papers for Class 10 Science

By Solving CBSE Sample Papers for Class 10 Science with Solutions, Pre Board CBSE Sample Papers for Class 10 Science in Pdf format for Term 1 & Term 2 , students understand the pattern of questions asked in the board exam.Science for Class 10 is considered to be one of the most important and immensely scoring subjects. And the best way to prepare apart from completing NCERT and reference books is solving CBSE Sample Question Papers for Class 10 . Know about the important concepts to be prepared for CBSE Class 10 Science board exam and Score More marks. Here on Ribblu one can get immense collection of Class 10 Science Sample Papers in PDF format for free. According to new CBSE Exam Pattern
Section A consists of 20 objective type questions carrying 1 mark each. [MCQ's]
Section B consists of 6 Very Short questions carrying 02 marks each.
Section C consists of 7 Short Answer type questions carrying 03 marks each.
Section D consists of 3 Long Answer type questions carrying 05 marks each.
Section E consists of 3 source-based/case-based units of assessment of 04 marks each.

Total Papers : 64

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Total Papers : 64

Class 10 Science Marks Distribution
Units Marks
Chemical Substances - Nature & Behaviour 25
World of Living 23
Natural Phenomenon 12
Effects of Current 13
Natural Resources 7
Total 80
Internal assessment 20
Grand Total 100

CBSE Class 10 Science Syllabus

  • Chemical Reactions and Equations
  • Acids, Bases and Salts
  • Metals and Non-Metals
  • Sources of energy
  • Life processes
  • Control and co-ordination in animals and plants
  • Our Environment
  • Current Electricity
  • Magnetic effects of Current
  • Carbon and its compounds
  • Periodic classification of elements
  • Light- Reflection and Refraction
  • The Human Eye and the Colourful World
  • Management of natural resources
  • Reproduction
  • Heredity and evolution

Theme: Materials

Unit I: Chemical Substances - Nature and Behaviour

Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation and reduction.
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, neutralization, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds(combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Theme: The World of the Living

Unit II: World of Living

Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health - need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s health.
Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded - evolution; evolution and classification and evolution should not be equated with progress).

Theme: Natural Phenomena

Unit III: Natural Phenomena

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required),magnification. Refraction; Laws of refraction, refractive index.
Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens. Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life (excluding colour of the sun at sunrise and sunset).

Theme: How Things Work

Unit IV: Effects of Current

Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.
Magnetic effects of current : Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor,Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources

Unit V: Natural Resources

Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

PRACTICALS
Practical should be conducted alongside the concepts taught in theory classes

LIST OF EXPERIMENTS

  1. A. Finding the pH of the following samples by using pH paper/universal indicator:
    (i)  Dilute Hydrochloric Acid
    (ii)  Dilute NaOH solution
    (iii)  Dilute Ethanoic Acid solution
    (iv)  Lemon juice
    (v)  Water
    (vi) Dilute Hydrogen Carbonate solution

B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
1. Litmus solution (Blue/Red)
2. Zinc metal
3. Solid sodium carbonate

2. Performing and observing the following reactions and classifying them into:
A. Combination reaction
B. Decomposition Reaction
C. Displacement Reaction
D. Double displacement reaction
(i) Action of water on quicklime
(ii) Action of heat on ferrous sulphate crystals
(iii) Iron nails kept in copper sulphate solution
(iv) Reaction between sodium sulphate and barium chloride solutions

3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
i) ZnSO4(aq)
ii) FeSO4(aq)
iii) CuSO4(aq)
iv) Al2 (SO4)3(aq)
Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.

4. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I
5. Determination of the equivalent resistance of two resistors when connected in series and parallel.
6. Preparing a temporary mount of a leaf peel to show stomata.
7.Experimentally show that carbon dioxide is given out during respiration.

8. Study of the following properties of acetic acid (ethanoic acid):
i) Odour
ii) solubility in water
iii) effect on litmus
iv) reaction with Sodium Hydrogen Carbonate

9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.

10. Determination of the focal length of:
i) Concave mirror
ii) Convex lens by obtaining the image of a distant object.

11. Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result.

12. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.

13. Tracing the path of the rays of light through a glass prism.

14. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean)

Structure of CBSE Science Sample Paper for Class 10 is

Type of Question Marks per Question Total No. of Questions Total Marks
Objective Type Questions 1 20 20
Short Answer Type Questions 3 10 30
Long Answer Type Questions 6 5 30
Total 36 80

PRESCRIBED BOOKS:

  • Science-Textbook for class IX-NCERT Publication
  • Science-Text book for class X- NCERT Publication
  • Assessment of Practical Skills in Science-Class IX - CBSE Publication
  • Assessment of Practical Skills in Science- Class X- CBSE Publication
  • Laboratory Manual-Science-Class IX, NCERT Publication
  • Laboratory Manual-Science-Class X, NCERT Publication
  • Exemplar Problems Class IX – NCERT Publication
  • Exemplar Problems Class X – NCERT Publication

For Preparation of board exams students can also check out other resource material

CBSE Class 10 Science Question Papers

Important Questions for Class 10 Science Chapter Wise

Science Revision Notes for class 10

Previous Year Question Paper CBSE Class 10 Science

What are CBSE Sample Papers?

Sample papers are mainly a kind of mock tests or model test papers which are prepared in accordance with the latest syllabus and guidelines that are issued by the central board. These examination test papers are designed as the replica of the actual papers that are asked in final examinations. All the marking schemes , number of questions , types of questions asked are followed as per board scheme and are issued to students two or three months before the examinations so that students get enough time to practice.

What is the importance of Sample Papers for Students?

In order to access the level of preparation done by any particular student he or she needs to solve CBSE Sample Papers. These papers are the perfect way to practise for the final board exam. If one wants to have a clear idea of how the final exam papers would be in terms of level of difficulty, time and other aspects then , all students must make sure that they do sample papers once their course revision is finished.

Few benefits of solving CBSE sample papers are given below:

  • Gauging Self Performance: Understanding and revising the subject is very good, but unless one attempts the sample paper in the lookalike environment as in board exam, seldom can the student identify and check whether the understanding of all concepts of the subject are complete or not. Once students try the question paper in the same time frame he or she is able to judge the capability of solving the paper in the stipulated time frame. It highlights the weak areas if any and gives students ample amount of time to work on those areas and be better prepared before exams.
  • Testing Time Criticality: Knowing is not everything as far as board papers are concerned. Sometimes it happens that in spite of knowing everything a student falls short of time to complete the entire paper and thus loses marks. Generally CBSE sample papers are generally of 3 hour duration. So while practicing sample papers it is imperative to create a board like environment at home and ensure that sample paper is attempted only in 3 hours and then check whether it was possible to complete the paper in the desired amount of time. Often at first students take longer than expected, and thus they get early warning to practice more and increase the speed.
  • Exam Anxiety: Sometimes sensitive students feel anxious to sit in the examination hall with a 3 hour length paper and for them it becomes a more intense requirement to practice prior to main exams and get rid of any kind of fear. Since they do not know what questions will be asked in the CBSE board they create panic in their mind due to this fear of the unknown and get scared with the idea that they might not be able to do well in exams. Thus such students needs to complete at-least 7-10 sample papers prior to the exams, to gain confidence and get into better frame of mind.

Best Time to Practice Sample Papers

This mainly varies from student to student but in general students should start dealing with sample papers as soon as their book revisions are over. Infact along with sample papers students should also look for model test papers of various publishers and attempt them to get the idea of level of preparation. As the dates of exam are approaching near by that time only samples papers should be mainly considered for practice and in case of any shortcomings those should be thoroughly discussed with teachers freids and other concerned person so that one has clarity before attempting the final paper.

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