CBSE Class 10 Science Question Paper 2018

CBSE Class 10 Science Question Paper 2018 – Free PDF

CBSE Class 10 Science Question Paper 2018 -Free PDF is now available for download on Extramarks. Solving the previous years question papers is a very effective way of preparing for the board exams. It gives the students a real idea of their level of preparation, their ability to comprehend the different types of questions, their writing speed and their level of accuracy under pressure. It also makes their basics strong and gives them a better understanding of the concepts.

Students can also find the solutions to these question papers on Extramarks. Having the solutions handy makes it very easy for students to cross-check their answers and clarify their doubts. These are the answers that are written by experts and are used by toppers to score perfect marks in their exams. Going through the previous year Science question paper with solutions will help students understand the paper pattern and answering techniques. Depending on the weightage of the question, they must supplement their answer with appropriate examples or diagrams. They will get a better idea about these techniques of writing answers that helps them score high.

CBSE Previous Year Question Papers for Class 10 Science

Additionally, you can check out Year on Year CBSE Class 10 Previous Year Question Papers Science

CBSE Class 10 Science Previous Year Question Papers
Sr No. Question Papers
1 CBSE Class 10 Science Question Paper 2020
2 CBSE Class 10 Science Question Paper 2019
3 CBSE Class 10 Science Question Paper 2018
4 CBSE Class 10 Science Question Paper 2017
5 CBSE Class 10 Science Question Paper 2016
6 CBSE Class 10 Science Question Paper 2015
7 CBSE Class 10 Science Question Paper 2014
8 CBSE Class 10 Science Question Paper 2013
9 CBSE Class 10 Science Question Paper 2012
10 CBSE Class 10 Science Question Paper 2011
11 CBSE Class 10 Science Question Paper 2010
12 CBSE Class 10 Science Question Paper 2009
13 CBSE Class 10 Science Question Paper 2008
14 CBSE Class 10 Science Question Paper 2007

CBSE Class 10 Science Question Paper 2018 – Free PDF Download

Students can assess their level of readiness for the Science exam by comparing their answer sheet to the Solution PDF. Students can enhance their performance and do well on the test by focusing on their weak areas. They can access CBSE Class 10 Science Previous Year Question Papers to practise more questions. The solutions are offered in a straightforward format for students’ easy comprehension. Students’ ability to write answers will improve by using the step-by-step marking method in the Solution PDF. In order to properly prepare for the Science paper, students are suggested to read the solutions.

The past year sample question sheets 2017–2018 and Biology, Chemistry and Science Physics (SET–3) question banks that have been saved from the official portal will assist students in improving their performance on the CBSE examination. If candidates solve this Science CBSE sample paper, it will give them an idea of the format of the exam, assist them in managing their time during the Science class 10 exam, and provide an environment that is as close to the real thing as possible. In order to practice this sample paper at home and at school, teachers advice downloading the Science previous year sample paper. All CBSE X students and teachers can find the model answers on the attached PDF sheet.

Science Question Paper for CBSE Class 10 – 2018 – Free PDF Download

For Class 10 students, the CBSE Previous Year Question Papers are an excellent tool. These previous year exams help students become familiar with the exam format and encourage them to spot the gaps between the subject’s material and question paper format. Students can better prepare for exams by using CBSE Class 10 Science Question Paper 2018, which also shows them how much time they should spend studying a certain chapter.

Students are advised to use the CBSE previous year test questions when preparing for any chapter. The topic experts in the highly experienced faculty who design these papers ensure that they perfectly align with the CBSE board previous year exams. 

Paper Pattern

The theory paper for the science exam will be worth 80 points, and the practice will be worth 20 points as per the CBSE exam format. It is important to be aware of current changes made by the CBSE board to the question paper. While the overall marks remain the same, the total number of questions is increased to 40 from 30. (i.e. 80 marks). Certainly, the officials have increased the number of questions, but they have decreased marks awarded per question, making the majority of the questions objective or extremely short response questions.

There are four sections—A, B, C, and D—in the CBSE Class 10 science previous year exam papers.

Section A: There are one-mark objective questions in this section. In this area, candidates will need to answer two questions. 

Section B: Two-mark questions with succinct explanations will make up this section. There will be three questions posted in this section which need to be answered. 

Section C: There are ten brief answers of three points each in this portion, which is worth a total of 30 marks. 

Section D: There are six long-answer questions in this portion, each worth five points, and it is also worth 30 marks.

Section E: There are six short answer questions in this section, each worth two marks, and it is also worth 12 marks.

What is the syllabus for CBSE Class 10 Science for the year 2018-19?

The complete Class 10 2018 CBSE syllabus provided by the CBSE Board covers five main units, including Natural Resources (Unit V), Effects of Current (Unit IV), Natural Phenomena (unit III), World of Living (Unit II), and Chemical Substances- Nature and Behavior (Unit I). In the exam, the first unit receives 25 points, the second receives 23, the third receives 12, the fourth receives 13, and the fifth receives 7 points. It now receives a total of 80 points. A further 20 points are awarded for internal evaluation, for a total of 100 points.

55 periods are spent on the first unit. 

The unit covers chapters like Chemical Reactions (equation of chemicals, chemical reaction types like reduction, oxidation, neutralisation, precipitation, double displacement, decomposition, single displacement and combination), Salts, Bases and Acids (including the importance and concept of pH, preparation, and utilisation of washing soda, Plaster of Paris, baking powder, sodium hydroxide, baking soda, properties of nonmetals and metals, metallurgical processes, reactivity series, corrosion and its formation and prevention, and ionic compounds’ properties), carbon compounds (including chapters like unsaturated and saturated hydrocarbons, functional groups, nomenclature, homologous series, nature of carbon, covalent bonding, chemical properties of ethanoic acid, ethanol, detergents, soaps, and carbon), periodic classification of components (including chapters like non-metallic and metallic properties, atomic number, valence, Mendeleev’s modern periodic table and periodic table, Newland’s law of octaves, and Dobereiner’s Triads).

The second unit of the Class 10 Science curriculum covers the topic of life, covering ideas related to activities like nutrition, respiration, excretion and transportation in both plants and animals. In addition to this, control and coordination in both animals and plants also include tropic movements in plants, plant hormones, control and coordination in animals that include the neurological system, reflex action and involuntary and voluntary motion, chemical coordination and animal hormones. The unit also covers family planning techniques, HIV/AIDS and women’s health as well as sexual and asexual reproduction in plants and animals. The chapter also covers the fundamental ideas of evolution, laws governing the inheritance of traits, sex determination, and heredity. Unit II’s entire curriculum is covered in 50 classes.

The third unit of Class 10 CBSE Science, or Unit III of Science Class 10, covers natural phenomena. These phenomena include ideas like the reflection of light by curved surfaces, images created by spherical mirrors and terms like principal axis, a centre of curvature, focal length, principal focus, magnification, refractive index, laws of refraction, refraction of light and images created by spherical lenses, lens formula and power of lenses, the human eye, defects of vision, dispersion and scattering of light and refraction of light through a prism. There will be 23 classes total to finish the course.

How things work is the focus of Unit IV, the fourth unit of Class 10 CBSE Science. This chapter covers the effects of current, electric current, potential difference, Ohm’s law, resistivity, resistance, factors affecting a conductor’s resistance, resistance in combination with other resistances in series and parallel, the heating effect of electric current, electric power and the relationship between P, V, I, and R. This chapter also covers Fleming’s left-hand rule, electric generators, direct current, alternating current and its benefits and electric circuits. It also covers the magnetic effect of the current, magnetic field, field lines, field due to current-carrying conductor, coil, or solenoid, force on the current-carrying conductor and the magnetic effect of the current. There are 32 classes in the course as a whole.

Natural resources are the subject of Unit V, the final science unit for Class 10 students taking the CBSE. Various forms of energy, conventional and alternative energy sources, fossil fuels, biogas, solar, water, wind, nuclear and tidal energy, renewable and non-renewable sources of energy, ecosystems, ozone depletion, environmental issues, biodegradable and non-biodegradable materials, waste production and its solutions, preservation of natural resources, coal, petroleum, forests and wildlife, big dams, its benefits and drawbacks and alternatives, sustainability of natural resources, and water harvesting are some of the topics covered. Twenty classes in total are required by the CBSE Board for unit V.

What is the best way to solve sample papers?

The importance of answering the questions is due to the fact that practice makes perfect and boosts confidence. Students that continuously perform well in school are discovered to have superior problem-solving skills, both in terms of speed and approach to each topic. If you are preparing for the CBSE exam this year, try solving the science previous year question paper for Class 10. It will help you finish your paper on time and perfectly, which will help you ace the test. The foundation of your career, and good grades enable you to enrol in graduate and even postgraduate programmes at universities in India and abroad. The ideal approach for answering the question from last year’s test is described below:

  • Before beginning to solve the CBSE Class 10 Science Question Paper 2018, read all the chapters carefully, mark important questions, highlight essential concepts and thoroughly go through any examples or textbook problems.
  • You must complete the entire syllabus before you move on to solve the question papers. 
  • Revise the chapters, go through revision notes, and try solving the chapter-wise tests once you are confident about your preparation, you can start solving the previous years question papers.
  • Students must treat the previous years question papers as their final paper and try to solve it in a controlled environment. They should not refer to books or any other material while solving the paper and they must also try to solve the paper within the given time. 
  • If the paper is for 3 hours, attempt to finish it in 2.30 or 2.45 hours. Keep some time for revision and go through your answers to correct any writing errors or spelling mistakes.
  • They must first go through the entire question paper first, read all the questions thoroughly and then decide how they would like to approach the solutions.
  • Ideally, students begin with the answers they are most confident about or the short answers that wouldn’t take much time to complete.
  • Dividing their time appropriately for each section is very important and solving the previous years question papers will help them understand this. 

Why is it important to solve last year’s question paper of Class 10 CBSE Science?

The Class 10th Board Exam is a significant turning point in our educational system since it determines our options for postsecondary education and careers. There will undoubtedly be fierce rivalry because so many kids compete in the board exams each year. You must therefore put your best effort forward and do everything possible to prepare for your board exams.

Setting the proper strategy for preparing for such a significant and lucrative exam is essential because the board exam affects our career.

The advantages of solving the Class 10 Science board exam from last year are as follows:

  • By working through the CBSE Class 10 Science Previous Year Question Paper 2018, you can understand crucial concepts more quickly while tackling a variety of questions.
  • Because you can keep tabs on your personal development, it’s an excellent technique to evaluate your level of preparation before the exam.
  • It results in a more in-depth review of every chapter you read.
  • You become conscious of your weak points. You can strengthen your weak areas and fix your errors in this way.
  • By completing the science question paper from the previous year’s CBSE Class 10 exam, you become familiar with the scoring system and learn the importance of each topic.
  • You note that a few topics consistently occur on the test, proving their significance.
  • You pay particular attention to the exam’s marking structure and the placement of the questions.
  • Your writing pace, comprehension abilities and problem-solving outlook will all be improved by working through Class 10 Science CBSE previous years question paper, enabling you to complete your project on time and to your satisfaction.
  • You acquire confidence after answering and revising a lot of questions. You start to have confidence in yourself, which is essential if you want to ace the test.
  • You get over your dread of answering a new question on the test. When solving the 2018 CBSE Class 10 Science Previous Year Question Paper, you won’t feel overwhelmed or in panic.

You can get the most up-to-date Class 10 Science board exam paper 2018 PDF solved by experts by downloading the CBSE Class 10 Science question paper 2018 PDF. According to the CBSE Board requirements, these CBSE Class 10 Science Question Papers 2018 PDF with solutions give you in-depth knowledge of biological and chemical processes as well as step-by-step answers to the questions included in the Class 10 Science textbook. You can review the exercises and improve your grade by using the solutions that are provided for each question.

FAQs (Frequently Asked Questions)

1. What advantages come from completing the Class 10 Science CBSE Previous Year Papers?

 You will have a clear understanding of the actual paper format and scoring system for the 10th Science exam. You can examine the paper in depth. By completing the 10th Science Previous Year Papers, you’ll be able to complete all of the exam questions on time.

2. How much does it cost to download the PDF of the previous year's science exam from CBSE class 10?

The CBSE Class 10 Science Previous Year Question Paper PDFs are available for free on Extramarks. Students can download these question papers on any device and get a printout if needed. 

3. Is it vital to regularly practise the CBSE Class 10 Science Previous Year Paper?

Yes, practicing the previous year’s question papers and going through different study materials is very essential for students to develop their understanding of a topic. It helps them gain mastery of the subject.

4. What key ideas are presented in Chapter 2 on Acids, Bases and Salts? How many questions are there in the exercises in this chapter?

The second chapter of the CBSE Board Class 10 Science Book is titled Acids, Bases and Salts. You will learn about the chemical characteristics of several compounds in this chapter. In the lab, you will also learn about acids and bases, salts in general, the family of salts, the PH of salts, chemicals derived from common salts, whether salt crystals are actually dry, the strength of acid or base solutions, the reactions of metallic oxides with acids and bases, and how acids and bases react with metals. One exercise and five sets of in-text questions make up the CBSE NCERT Solutions for Class 10 Science. They receive solutions that are simple to comprehend.

5. How many questions will be on the CBSE Science Class 10 exam?

In total, 36–37 questions over 4 sections—Sections A, B, C, and D—will be covered on the Science board test.

6. Is the CBSE science exam difficult?

The difficulty level of the previous year CBSE class 10 board exam is set according to the student’s level of knowledge and understanding. Additionally, the question paper is set strictly based on the topics given in the NCERT textbooks. So, any student who studies the NCERT books well and goes through all the relevant study materials can score full marks in this subject.

7. Can you pass the NEET exams in 2022 if you study from NCERT books?

Yes, as a majority of the questions in the NEET exam come from CBSE books. Students can achieve high scores in the NEET exams by studying from NCERT books and practising NCERT solutions.

8. What is a spherical mirror in the chapter on light reflection and refraction?

This chapter 10 segment will teach you about curved mirrors and explain why they are also referred to as spherical mirrors. You learn more about the two primary types of spherical mirrors—convex and concave mirrors—as well.  Furthermore, in the lesson on Light, Reflection, and Refraction for Class 10 Science, the ideas of the secondary axis, focal length, principal focus, pole and principal axis are covered. 

9. How do I answer question 7 on the 2018 CBSE Class 10 Science Exam?

The student is asked to explain the distinction between sexual and asexual reproduction in response to Question 7 of the 2018 CBSE Class 10 Science Question Paper. The likelihood of these reproductive strategies surviving is another question that is posed to the learner. Students must define asexual and sexual modes of reproduction in order to respond to questions of this nature. The survival of creatures with a sexual form of reproduction is also generally better than the survival of individuals with an asexual mode of reproduction because sexual reproduction encourages variation in the new individuals.