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CBSE Class 10 Science Sample Papers, Question Bank | Notes

The basic study material for CBSE Class 10 Science which includes class 10 science sample papers, test papers, revision notes, and chapter-based NCERT solutions is now available on myCBSEguide.

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Known for its credible content  myCBSEguide  brings to you a complete course for CBSE class 10 science. Here you can download class 10 Science chapter-wise textbook solutions and revision. Besides, you can also find Flashcards, NCERT Exemplar Solutions, NCERT Textbook Solutions and Revision Notes along with sample papers of CBSE Class 10 Science. Get all these materials under the chapter tree of CBSE Class 10 Science on our Students' Dashboard. 

CBSE Class 10 Science Syllabus 2022-23

The syllabus is the first thing about which the students must have complete knowledge. Any doubt or misinformation about the syllabus can land one in the soup. Having a clear and comprehensive picture of the syllabus for class 10 science will enable the students to chalk their future study plans. So, to begin with, the student's pal myCBSEguide gives complete information about the CBSE class 10 science 2022-23 syllabus .

Here are the chapters of the 2022-23 science syllabus along with their marks marks distribution:

Resources for CBSE Class 10 Science

Science is one of the most important subjects for both secondary and senior secondary levels. To begin with the secondary level, students should work really hard for their first board so that can score good marks for class 10 science. This will serve as a bedrock of their successful career. 

Science is all about concepts and experiments, cause and their effect. It is not a subject that can be mastered by rote learning. Understanding the concepts and applying them is the only best way to learn the subject. We all have textbooks and reference books but, to be honest, students do not take pains to go through them time and again as they find it quite boring and cumbersome. For this, we recommend students download the most-trusted student app called myCBSEguide  which aids you with beginning your preparation with class 10 science chapter notes to model papers for class 10 science.

Here you can find the most relevant resources required to help you with your studies. We have products for each step at your disposal. For preparation we have class 10 science revision notes sorted chapter-wise, and flashcards explaining each and every definition in an interesting way. Then we have class 10 science test papers that are very helpful for short-term goals like Class 10 Science Formative Assessment. 

Model question paper for class 10 science is also available here, which is updated as per the CBSE science sample paper for 2022-23. Apart from this, our resources include CBSE previous year's question papers and CBSE Toppers' Answer Sheet. The competency-based case study questions made by expert teachers are key takeaways.

CBSE Class 10 Science Revision Notes

Revision and repeated revision is one such mantra  that can ward off your doubts if you have any. Our revision notes for class 10 Science are prepared by our finest and most experienced teachers. The important part of exam preparation and the key to success is a combo of your preparation and revision. Chalk out a study plan and allot sufficient time for each subject each day. This way you will be in touch with each and every subject.  Check our lesson-based  Class 10 Science Revision Notes . You can also download class 10 Science Revision Notes in PDF format which is available on the myCBSEguide website and mobile app for free.

Chapter Wise Quick Revision Notes for Class 10 Science

  • Chemical Reactions and Equations class 10 Notes Science
  • Acids Bases and Salts class 10 Notes Science
  • Metals and Non-metals class 10 Notes Science
  • Carbon and its Compounds class 10 Notes Science
  • Periodic Classification of Elements class 10 Notes Science
  • Life Processes class 10 Notes Science
  • Control and Coordination class 10 Notes Science
  • How do Organisms Reproduce class 10 Notes Science
  • Heredity and Evolution class 10 Notes Science
  • Light Reflection and Refraction class 10 Notes Science
  • Human Eye and Colourful World class 10 Notes Science
  • Electricity class 10 Notes Science
  • Magnetic Effects of Electric Current class 10 Notes Science
  • Sources of Energy Current class 10 Notes Science
  • Our Environment class 10 Notes Science
  • Management of Natural Resources class 10 Notes Science

CBSE Class 10 Science Sample Papers, Model Papers & Test Papers

Once you have a command over your lessons, you are now ready to take a test and check your preparation. Practicing sample papers is the best way to score well in exams. We know that the class 10 board exams are due in March 2023. Our format of the class 10 science model question papers is the same as Class 10 Science Sample Papers 2022-23. The official sample paper has already been issued for the 2022-23 examination. It's time to gear up. Students need to do some hands-on practice before facing the real examination. 

You can download all such Sample Papers from the myCBSEguide app and website in PDF format. We have provided the solution with a detailed explanation for each Class 10 Science Sample Papers 2022-23. These sample papers will certainly help you to increase your writing speed and boost your confidence.

Class 10 Science NCERT Solutions  

CBSE has always been in favour of NCERT solution and directed all schools stating they should not burden students with reference books and that class 10  Science chapter-wise NCERT solutions  are enough for the students to score well in the exams.

PRESCRIBED BOOKS:

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

However, students may still use reference books as they can be used to clarify doubts and give them a better understanding of complex concepts and subjects. 

Why are NCERT Solutions important?

  • What makes NCERT solutions so important is the validation from the CBSE.
  • According to it, NCERT solutions are sufficient enough for scoring well in board exams.
  • These questions are a bit complex in nature and their format is sure to reflect in the CBSE board question paper.
  • NCERT textbook questions present a possible key structure based on which more such questions can be formed. 
  • Hence it makes it important for the students to be thorough with the class 10 science NCERT questions and the chapter-end solutions.
  • These solutions and questions help you to get a thorough understanding of the concepts.

The  NCERT solutions for class 10 Science  available on myCBSEguide include all the questions provided in the NCERT text book which is prescribed for class 10 in schools. It is always recommended to study NCERT books as it covers the whole syllabus. These questions with detailed explanations are now available in myCBSEguide for free to view and download.

Class 10 Science Case Study Questions

The focus of our new education policy is on competency-based education. The case study questions are the simplest way to inculcate this competency-based education. Questions based on case studies are some real-life examples. The questions are asked based on a given paragraph i.e. Case Study.  Usually, 4-5 questions are asked on the basis of the given passage. These questions may be objective or subjective. 

Section E of the class 10 science sample paper for 2022-23 consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts. These sub-parts are subjective questions. Internal choice is provided in one of these sub-parts. You can find multiple   Case study questions for class 10 science  on myCBSEguide which can be helpful to understand situational questions.

Case Study Question: Example

Pooja has green eyes while her parents and brother have black eyes. Pooja’s husband Ravi has black eyes while his mother has green eyes and father has black eyes.

(a) On the basis of the above given information, is the green eye colour a dominant or recessive trait? Justify your answer.

(b) What is the possible genetic makeup of Pooja’s brother’s eye colour?

(c) What is the probability that the offspring of Pooja and Ravi will have green eyes? Also, show the inheritance of eye colour in the offspring with the help of a suitable cross.

(d) 50% of the offspring of Pooja’s brother are green eyed. With help of cross show how this is possible.

Download Case study questions for CBSE class 10 Science in PDF format from the  myCBSEguide App . We have the new pattern case study-based questions for free download. 

CBSE Model Question Papers 2024 – New Sets

This academic year was so great that CBSE released sample question papers on 31st March 2023 with the new curriculum for the session 2023-24. So, it was quite surprising because usually, CBSE issues sample papers in December. CBSE Model Question Papers 2024 Apart from CBSE sample papers, now you can …

CBSE Practice Papers 2023

CBSE has issued Practice Papers for the class 10 and 12 board exams for the session 2022-23. These practice papers are different from the sample papers issued earlier. What are CBSE Practice Papers 2023? As you know CBSE issues one sample paper for each subject every year. All these model …

Class 10 Science Sample Papers 2024

CBSE will conduct the board exam in Feb-March 2024. The latest sample papers are now available on the CBSE official website and on myCBSEguide app for free download. The format of the question paper will be the same as Class 10 Science Sample Paper 2023-24. As we know, CBSE has …

CBSE Class 10 Science Syllabus 2022-23 includes Chemical Substances-Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current etc for the session 2022 – 2023. Here is the detailed syllabus. To download class 10 Science CBSE latest sample question papers for the 2023 exams, please install the myCBSEguide App …

CBSE Term-2 Exams in Offline Mode

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CBSE Class 10 Mock Test 2021

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CBSE MCQ Question Papers for Class 10

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Case Study Question for Class 10 Science (CBSE Board)

Case Study Question Class 10 Science for CBSE Board: Understudies can discover the chapter astute vital questions for course 10th Science within the table underneath. These imperative questions incorporate questions that are regularly inquired in a long time. Moreover, arrangements are to give for these questions, with extraordinary accentuation on ease-of-study. Tap on the joins underneath to begin investigating.

Case Study Question for Class 10 Science Ch. 1 to 16

Case study: 1.

1) Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation. (CBSE Sample Paper 2022)

a.) What will be set of genes present in the F1 generation? (1 Mark)

b.) Give reason why only tall plants are observed in F1 progeny. (1 Mark)

Ans. Traits like ‘T’ are called dominant traits, while those that behave like ‘t’ are called recessive traits./Alternatively accept the definition of dominant and recessive traits with examples of T and t respectively /Alternatively accept the law of Dominance with examples of T and t.

c.) When F1 plants were self – pollinated, a total of 800 plants were produced.

How many of these would be tall, medium height or short plants? Give the genotype of F 2 generation. (2 Marks)

When F1 plants were cross – pollinated with plants having tt genes, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F 2 generation.

Ans. Out of 800 plants 600 plants will be tall and 200 plants will be small, 1

TT: 2Tt: 1tt (1 mark)

In the cross between Tt X tt, 400 Tall (Tt) and 400 short (tt) plants will be produced.

Case Study: 2 Question Class 10 Science

2) Ansari Sir was demonstrating an experiment in his class with the setup as shown in the figure below. (CBSE Sample Paper 2022)

case study questions and answers class 10 science

case study questions class 10 science / passage based questions class 10 science cbse board / ncert class 10 science case study

A magnet is attached to a spring. The magnet can go in and out of the stationary coil.

He lifted the Magnet and released it to make it oscillate through the coil. Based on your understanding of the phenomenon, answer the following questions.

a.) What is the principle which Ansari Sir is trying to demonstrate?

Ans. Sir is trying to demonstrate the principle of Electromagnetic induction.

b.) What will be observed when the Magnet starts oscillating through the coil. Explain the reason behind this observation.

Ans. There will be induced current in the coil due to relative motion between the magnet and the coil. Changing the magnetic field around the coil generates induced current.

c.) Consider the situation where the Magnet goes in and out of the coil. State two changes which could be made to increase the deflection in the galvanometer.

Is there any difference in the observations in the galvanometer when the Magnet swings in and then out of the stationary coil? Justify your answer.

Using a stronger magnet, using a coil with more number of turns.

When the magnet moves into the coil, the ammeter shows a momentary deflection towards one side say left.

When the magnet moves out of the coil, the ammeter shows a momentary deflection now towards right.

This is due to changing magnetic field /flux associated with the coil as the magnet moves in and out.

Alternatively, the flux increases when the magnet goes in and it decreases when the magnet goes out.

  • NCERT Class 10 Science Best Solution
  • Exemplar Notes Solution by Expert Sir

Case Based Questions Class 10 Science Chapter-wise:

Key questions for 10th review science are outlined agreeing to the CBSE NCERT program. All address sorts are accessible within the PDF, from one-word to one-line answers, brief reply sorts to five point long reply sorts. Hence, understudies can plan for exams and indeed clarify their concepts through them. On the off chance that they refer to these questions, it’ll get ready their minds to pick up a competitive advantage. Understudies will gotten to be commonplace with question patterns and the sorts of questions that will show up on exams.

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Case Study and Passage Based Questions for Class 10 Science Chapter 10 Light Reflection and Refraction

In CBSE Class 10 Science Paper, Students will have to answer some questions based on  Assertion and Reason . There will be a few questions based on case studies and passage based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Here, we have provided case based/passage based questions for Class 10 Science  Chapter 10 Light Reflection and Refraction .

Question 1:

Read the following and answer any four questions from (i) to (v).

The spherical mirror forms different types of images when the object is placed at different locations. When the image is formed on screen, the image is real and when the image does not form on screen, the image is virtual. When the two reflected rays meet actually, the image is real and when they appear to meet, the image is virtual.

A concave mirror always forms a real and inverted image for different positions of the object. But if the object is placed between the focus and pole. the image formed is virtual and erect.

A convex mirror always forms a virtual, erect and diminished image. A concave mirror is used as doctor’s head mirror to focus light on body parts like eyes, ears, nose etc., to be examined because it can form erect and magnified image of the object. The convex mirror is used as a rear view mirrors in automobiles because it can form an small and erect image of an object.

(i) When an object is placed at the centre of curvature of a concave mirror, the image formed is (a) larger than the object (b) smaller than the object (c) same size as that of the object (d) highly enlarged.

(ii) No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be (a) plane (b) concave (c) convex (d) either plane or convex.

(iii) A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top. (a) Plane, convex and concave (b) Convex, concave and plane (c) Concave, plane and convex (d) Convex, plane and concave

(iv) To get an image larger than the object, one can use (a) convex mirror but not a concave mirror (b) a concave mirror but not a convex mirror (c) either a convex mirror or a concave mirror (d) a plane mirror.

(v) A convex mirror has wider field of view because (a) the image formed is much smaller than the object and large number of images can be seen. (b) the image formed is much closer to the mirror (c) both (a) and (b) (d) none of these.

Question 2:

The lenses forms different types of images when object placed at different locations. When a ray is incident parallel to the principal axis, then after refraction, it passes through the focus or appears to come from the focus.

When a ray goes through the optical centre of the lens, it passes without any deviation. If the object is placed between focus and optical center of the convex lens, erect and magnified image is formed.

As the object is brought closer to the convex lens from infinity to focus, the image moves away from the convex lens from focus to infinity. Also the size of image goes on increasing and the image is always real and inverted.

A concave lens always gives a virtual, erect and diminished image irrespective to the position of the object.

(i) The location of image formed by a convex lens when the object is placed at infinity is (a) at focus (b) at 2F (c) at optical center (d) between Fand 2F

(ii) When the object is placed at the focus of concave lens, the image formed is (a) real and smaller (b) virtual and inverted (c) virtual and smaller (d) real and erect

(iii) The size of image formed by a convex lens when the object is placed at the focus of convex lens is (a) small (b) point in size (c) highly magnified (d) same as that of object

(iv) When the object is placed at 2F in front of convex lens, the location of image is (a) at F (b) at 2 F on the other side (c) at infinity (d) between F and optical center

(v) At which location of object in front of concave lens, the image between focus and optical centre is formed (a) anywhere between centre and infinity (b) at F (c) at 2F (d) infinity

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Case Based Questions for Class 10 Science PDF Download

Cbse case study questions for class 10 science.

If you are in search of case study questions for CBSE Class 10 Science, you have come to the right place. We are offering chapter-wise case study questions for CBSE Class 10 Science. These questions are based on passages given, and are designed to help students practice and improve their marks in the exam.

Chapter Wise CBSE Case Study Questions for Class 10 Science

Chapter Wise CBSE Case Study Questions for Class 10 Science are questions that are designed to test a student's understanding of scientific concepts and their ability to apply them to real-world situations. These questions are based on the chapters in the Class 10 Science syllabus and are typically presented in the form of a case study or a scenario.

  • CBSE Case Study Questions: Chemical Reactions & Equations
  • CBSE Case Study Questions: Acids, Bases & Salts 
  • CBSE Case Study Questions: Metals & Non-metals 
  • CBSE Case Study Questions: Carbon & Its compounds
  • CBSE Case Study Questions: Life Processes
  • CBSE Case Study Questions: Control & Coordination
  • CBSE Case Study Questions: How do Organisms Reproduce?
  • CBSE Case Study Questions: Heredity & Evolution
  • CBSE Case Study Questions: Light- Reflection & Refraction
  • CBSE Case Study Questions: The Human Eye & the Colourful World
  • CBSE Case Study Questions: Electricity
  • CBSE Case Study Questions: Our Environment
  • CBSE Case Study Questions: Magnetic Effects of Current
  • CBSE Case Study Questions: Sustainable Management of Natural Resources
  • CBSE Case Study Questions: Periodic Classification of Elements
  • CBSE Case Study Questions: Sources of Energy

Weightage of CBSE Case Study Questions in Class 10 Science

Case Based Questions for Class 10 Science

Why are Case Study Questions important in Science Class 10 ?

Case study questions are important in Science Class 10 for several reasons:

  • Develops problem-solving skills:  Case study questions require students to apply their knowledge to solve real-world problems. This develops their problem-solving skills and helps them to think critically.
  • Enhances analytical skills: Case study questions involve analyzing a given scenario or problem and applying scientific concepts to find a solution. This helps students to develop their analytical skills and improves their ability to apply scientific concepts to real-world situations.
  • Improves retention and understanding:  Case study questions require students to apply the concepts they have learned in the chapter to solve problems. This helps them to better understand the concepts and retain them for a longer period.
  • Enhances communication skills: Case study questions often require students to explain their thought process and reasoning. This improves their communication skills and helps them to articulate their ideas more clearly.
  • Prepares for competitive exams: Case study questions are often included in competitive exams such as the Olympiad, NTSE, and JEE. Practicing case study questions in Class 10 Science helps students to prepare for these exams and enhances their chances of success.

Overall, case study questions are an effective way to engage students in Science Class 10 and develop their problem-solving, analytical, and communication skills. They also help students to apply scientific concepts to real-world situations and prepare them for higher-level science education.

Class 10 Science Curriculum at Glance

The Class 10 Science curriculum covers a wide range of topics that provide students with a solid foundation in scientific concepts. Here is a brief overview of the Class 10 Science curriculum:

  • Chemical Reactions and Equations: Types of chemical reactions, balancing chemical equations, and the concept of oxidation and reduction.
  • Acids, Bases, and Salts: Properties of acids and bases, pH scale, and preparation and properties of salts.
  • Metals and Non-Metals:  Physical and chemical properties of metals and non-metals, their reactions with water, acids, and other substances, and corrosion of metals.
  • Carbon and Its Compounds:  Covalent bonding in carbon compounds, properties of carbon compounds, and some important carbon compounds such as ethanol, ethanoic acid, and ethene.
  • Periodic Classification of Elements: The history of the periodic table, modern periodic law, and the periodic trends in properties of elements.
  • Life Processes:  Basic concepts of nutrition, respiration, transport, and excretion in living organisms, and their mechanisms.
  • Control and Coordination:  The nervous system, the endocrine system, and their role in control and coordination in humans and other animals.
  • How Do Organisms Reproduce?:  Reproduction in animals and plants, modes of reproduction, and reproductive health.
  • Heredity and Evolution: Basic concepts of heredity, inheritance patterns, and the role of variations in evolution.
  • Light - Reflection and Refraction: Reflection and refraction of light, spherical mirrors, lenses, and their applications.
  • Human Eye and Colourful World:  The structure and functioning of the human eye, the correction of vision defects, and the concepts of dispersion and scattering of light.
  • Electricity:  Electric current, electric potential, electric circuits, and the heating effect of electric current.
  • Magnetic Effects of Electric Current:  Magnetic field, magnetic field lines, magnetic field due to a current-carrying conductor, and the concept of an electromagnet.
  • Sources of Energy:  Different sources of energy, conventional and non-conventional sources of energy, and their advantages and disadvantages.
  • Our Environment: Ecosystem, food chains and food webs, and environmental issues such as pollution and depletion of resources.
  • Sustainable Management of Natural Resources: Conservation of natural resources, management of forests and wildlife, and sustainable management of resources.

The Class 10 Science curriculum provides a strong foundation in scientific concepts and prepares students for higher-level science education.

Students can also access CBSE Case Study Questions of all subjects of Class 10:

  • CBSE Case Study Questions for Class 10 Mathematics  
  • CBSE Case Study Questions for Class 10 Social Science SST  
  • CBSE Case Study Questions for Class 10 English
  • CBSE Case Study Questions for Class 10 Hindi
  • CBSE Case Study Questions for Class 10 Sanskrit

Frequently Asked Questions (FAQs): CBSE Case Study Questions for Class 10 Science

What are case-based questions for class 10 science.

Case-based questions for Class 10 Science are problem-solving exercises that present real-world scenarios or situations using scientific concepts and require the student to analyze and apply their scientific knowledge and skills to solve the problem.

How can case-based questions for Class 10 Science help me prepare for my exams?

Case-based questions for Class 10 Science can provide a practical and interactive way for students to apply their scientific knowledge and skills to real-world scenarios. It can help students to understand the concepts better and improve their problem-solving abilities.

What types of topics are covered in case-based questions for Class 10 Science?

Case-based questions for Class 10 Science typically cover all the topics and chapters in the Class 10 Science curriculum, including physics, chemistry, and biology.

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CBSE Class 10 Practice Papers with Solutions for Board Exam 2024: Best for Last Minute Revision

Cbse practice papers class 10 2024: get practice papers with solutions for all subjects of cbse class 10 here. download questions by subject experts for cbse board exam preparations..

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CBSE Class 10 Practice Papers 2024: CBSE Class 10 Board Exams 2024 will start on February 15, 2024. With only two weeks left for the exams, students must be intensifying their preparations. Last-minute revision and practice play a crucial role in consolidating their knowledge and boosting confidence for the upcoming exams. Students should focus their efforts on revising the key concepts and solving sample papers to enhance their preparations. They can also take the help of the question banks and additional practice papers. For the upcoming CBSE class 10 board exam, students can now benefit from the subject-wise practice papers meticulously crafted by subject experts. Jagran Josh presents below the practice papers for the CBSE Class Board Exam 2024. The practice papers have been curated according to the latest CBSE exam pattern and cover the CBSE class 10 syllabus enabling students to undergo thorough revision. You can also check the marking scheme cum solutions for each practice paper to help you in quick revision and achieve maximum scores in your upcoming board exam.

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Practice is the key to success, and in this regard, the practice papers provided here are indispensable tools aiding students in performing exceptionally well and securing high grades in their CBSE Class 10 Board Exam 2024.

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Study Rate

Case Study Questions Class 10 Science Chapter 4 Carbon and Its Compounds

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CBSE Board Exam is on the way, so you must practice some good Case Study Questions Class 10 Science to boost your preparation to score 95+% on Boards. In this post, you will get Case Study and Passage Based Questions that will come in CBSE Class 10 Science Board Exams.

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In CBSE Class 10 Science Paper, Students will have to answer some questions based on  Assertion and Reason . There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Carbon and its Compounds Case Study Questions With Answers

Here, we have provided case-based/passage-based questions for Class 10 Science  Chapter 4 Carbon and Its Compounds .

Case Study/Passage Based Questions

Question 1:

Read the following and answer any four questions from (i) to (v).

The compounds which have the same molecular formula but differ from each other in physical or chemical properties are called isomers and the phenomenon is called isomerism. When the isomerism is due to differences in the arrangement of atoms within the molecule, without any reference to space, the phenomenon is called structural isomerism . In other words. structural isomers are compounds that have the same molecular formula but different structural formulas, i.e., they are different in the order in which different atoms are linked. In these compounds, carbon atoms can be linked together in the form of straight chains, branched chains or even rings.

(i) Which of the following sets of compounds have the same molecular formula? (a) Butane and iso-butane (b) Cyclohexane and hexene (C) Propanal and propanone (d) All of these

Answer: (d) All of these

(ii) In order to form branching, an organic compound must have a minimum of (a) four carbon atoms (b) three carbon atoms (c) five carbon atoms (d) any number of carbon atoms.

Answer: (a) four carbon atoms

(iii) Which of the following is an isomeric pair? (a) Ethane and propane (b) Ethane and ethene (c) Propane and butane (d) Butane and 2-methylpropane

Answer: (d) Butane and 2-methylpropane

(iv) Among the following the one having longest chain is (a) neo-pentane (b) iso-pentane (C) 2-methylpentane (d) 2,2-dimethylbutane.

Answer: (C) 2-methylpentane

(v) The number of isomers of pentane is (a) 2 (b) 3 (c) 4 (d) 5

Answer: (b) 3

Question 2:

Food, clothes, medicines, books, or any of the things are all based on this versatile element carbon. In addition, all living structures are carbon-based. The earth’s crust has only 0.02% carbon in the form of minerals. The element carbon occurs in different forms in nature with widely varying physical properties. Both diamond and graphite are formed by carbon atoms, the difference lies in the manner in which the carbon atoms are bonded to one another. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. This property is called catenation.

(i) From the given alternatives, whose chemical and physical properties are not the same? (a) Graphite and Diamond (b) Phosphorous and Sulphur (c) Carbon and Hydrogen (d) Methyl alcohol and Acetic acid

Answer: (d) Due to presence of different functional groups methyl alcohol and acetic acid. Possess different physical and chemical properties.

(ii) Which of the following statements is not correct? (a) Graphite is much less dense than diamond (b) Graphite is black and soft (c) Graphite has low melting point (d) Graphite feels smooth and slippery

Answer: (c) Graphite has low melting point

(iii) Which of the following are isomers? (a) Butane and isobutene (b) Ethane and ethene (c) Propane and propyne (d) Butane and isobutane

Answer: (d) Butane and isobutane have same chemical formula but different arrangement of atoms and have different structure.

(iv) Which one of the following is not an allotrope of carbon? (a) Soot (b) Graphite (c) Diamond (d) Carborundum

Answer: (d) Carborundum is SiC (silicon carbide).

(v) Pentane has the molecular formula C 5 H 12 . It has (a) 5 covalent bonds (b) 12 covalent bonds (c) 16 covalent bonds (d) 17 covalent bonds

Answer: (c) 16 covalent bonds

Question 3:

A homologous series is a series of organic compounds which belong to the same family (i.e. possess same functional group) and show similar chemical properties. The members of this series are called homologous and differ from each other by the number of CH 2  units in the main carbon chain.

3.1) Which of the following is not the property of a homologous series ? (a) They all contain double bond. (b) They differ by 14 units by mass. (c) They show similar chemical properties. (d) They can be represented by a general formula.

Answer: (a) They all contain double bond

3.2) Which of the following represent the name and formula of the 2nd member of homologous series having general formula C n H 2n + 2  ? (a) Methane CH 4 (b) Ethane C 2 H 6 (c) Ethyne C 2 H 6 (d) Ethene C 2 H 4

Answer: (b) Ethane C2H6

3.3) The chemical properties of which of the following compounds is similar to the butane ? (a) Propyne (b) Pentane (c) Butyne (d) Propene

Answer: (b) Pentane

3.4) The difference between two consecutive members in a homologous series in alkanes in terms of molecular mass and number of atoms of elements is : (a) 14 a.m.u and CH respectively (b) 12 a.m.u and CH respectively (c) 14 a.m.u and CH2 respectively (d) 12 a.m.u and CH3 respectively

Answer: (c) 14 a.m.u and CH2 respectively

3.5) Which of the following does not belong to the same homologous series ? (a) CH 4 (b) C 2 H 6 (c) C 3 H 8 (d) C 4 H 8

Answer: (d) C4H8

Question 4:

Some elements exist in various forms. These forms have different physical properties but have the same chemical properties. They are called allotropes of the element. Carbon, Phosphorous and sulphur have allotropes. Diamond and graphite are the allotropes of carbon. The differences in the physical properties of diamond and graphite are because of the manner in which the carbon atoms are arranged.

4.1) The hardest substance known which doesn’t conduct electricity is : (a) graphite (b) fullerence (c) diamond (d) methane

Answer:(c) diamond

4.2) Diamond is a : (a) three dimensional structure (b) one dimensional structure (c) two dimensional structure (d) none of these

Answer:(a) three dimensional structure

4.3) Graphite is used as a crucible to melt metals because : (a) it has low melting point (b) it has high boiling point (c) it has low boiling point (d) it has high melting point 

Answer:(d) it has high melting point

4.4) Which of the following is correct the structure of diamond ? (a) Carbon atoms are held together by single covalent bonds. (b) Carbon atoms conduct electricity in the molten state. (c) Layers of atoms slide easily over each other. (d) Electrons move freely through the structure.

Answer:(a) Carbon atoms are held together by single covalent bonds.

4.5) Diamond is not a good conductor of electricity because : (a) it is very hard. (b) it has no free electrons. (c) it is not water soluble. (d) its structure is very compact.

Answer:(b) it has no free electrons..

Hope the information shed above regarding Case Study and Passage Based Questions for Class 10 Science Chapter 4 Carbon and Its Compounds with Answers Pdf free download has been useful to an extent. If you have any other queries about CBSE Class 10 Science Carbon and Its Compounds Case Study and Passage Based Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible. By Team Study Rate

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CBSE Class 10th - SCIENCE : Chapterwise Case Study Question & Solution

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CBSE Class 10th - SCIENCE : Chapterwise Case Study Question & Solution

In board exams, students will find the questions based on assertion and reasoning. Also, there will be a few questions based on case studies. In that, a paragraph will be given, and then the MCQ questions based on it will be asked. For Science subjects, there would be 5 case-based sub-parts questions, wherein a student has to attempt 4 sub-part questions.

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PSEB Class 10 Science Question Paper 2024, All SETs Download PDF

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Punjab Board 10th Science Question Paper 2024: PSEB, the official education board of Punjab commenced its annual board examinations on February 13, 2024. The exam timings are 11:00 AM - 2:15 PM. On February 16, the board will conduct the PSEB 10th Science Board Exam 2024. All the aspirants might be eagerly waiting for their results. Since the board takes a sufficient amount of time to declare the official result, here’s the unofficial answer key of the same. Here students can find the PEB 10th Science Question Paper 2024 along with the answer key and PDF download links of the same. By using the answer key, students can check their expected marks and result, until the board releases the final one. 

Punjab Board Class 10 Exam 2024: Overview

PSEB Class 10 Science board exam 2024 highlights and important points have been provided in the table below. Check some important details here. 

PSEB Class 10 Science Exam Pattern 2024

Check the exam pattern followed in the PSEB Class 10 Science Board exam 2024. The question paper was completely based on the pattern provided to you below. 

Punjab Board Class 10 Science Question Paper 2024

The question paper for the PSEB Class 10 Science Board exam 2024 has been provided to you below. This is the exact same question paper solved by students in the exam and hence is authentic. Also, use the PDF download link provided below to download the question paper for future reference. 

Punjab Board Class 10 Science Answer Key 2024

(To be updated soon)

PSEB Class 10 Science Exam Analysis 2024

PSEB class 10 science exam analysis 2024 can be found in the link above. Here, students will get updates about the breakdown of the question paper, a detailed description on the difficulty level of the paper, students' reaction on the same and expert's opinion about it. 

PSEB Class 10 Science Question Paper 2024, All SETs Download PDF

CBSE Expert

CBSE Class 10 Social Science Case Study Questions Download Free PDF

If you are looking for the CBSE Class 10 Social Science Case Study Questions in PDF, then you are in the right place. CBSE 10th Class Case Study for the Social Science Subject is available here. These Case studies can help the students to solve the different types of questions that are based on the case study.

case study class 10 science pdf

The Social Science Subject case study for class 10th covers a wide range of chapters from the Social Science. Students willing to score good marks in their board exams can use it. The questions are highly interactive and it allows students to use their thoughts and skills to solve such kinds of questions.

CBSE 10th Social Science Exam 2022-23 : Case Study Questions With Answers

In class 10th board exams 2023, students will observe new types of case study questions. For the first time, the board introduced the case study questions in the board exam. we have provided the chapter-wise case study question with answers.

The above  Case studies for Class 10 Social Science  will help you to boost your scores as Case Study questions have been coming in your examinations. These CBSE Class 10 Social Science Case Study’s have been developed by experienced teachers of  cbseexpert.com  for benefit of Class 10 students.

  • Class 10th Maths Case Study Questions
  • Class 10th Science Case Study Questions

For CBSE Class 10, the board has decided to introduce a minimum of 30 percent competency-based questions in form of case study questions, MCQs, source-based integrated questions, etc. in the new exam pattern 2022-2023. Therefore, students should make themselves familiar with the case study questions to learn the right process for approaching these new types of questions with accuracy.

Case Study Type Questions in Social Science Class 10

Case Study Type Questions in Social Science Class 10 include the information or data. Students willing to solve them are required to read the passage carefully and then solve them. While solving the paragraph the ideal way is to highlight the key information or given data.

Because later it will ease them to write the final answers. Science Case study type questions consist of 4 to 5 questions that should be answered in an MCQ manner. 

While reading the paragraph students will get the clue in between about the possible answer of the question. They should definitely highlight those questions. This is the best way to solve such kind of Case study Type Questions.

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