Class 10 Science Sample Paper 2021-22 with Solutions PDF

Download the Class 10 Science sample paper for 2021-22 with solutions in PDF format. Enhance your exam preparation with this comprehensive resource.

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Preparing for the Class 10 Science exam can be challenging, but utilizing sample papers can significantly enhance your readiness. The 'Sample Paper Class 10 Science 2021-22 with Solutions PDF' is an invaluable resource designed to mirror the actual exam format, providing a clear understanding of the types of questions to expect. This comprehensive document not only offers practice questions but also includes detailed solutions, allowing you to assess your performance and identify areas for improvement. Engaging with this sample paper will boost your confidence and ensure thorough preparation for the upcoming examination.

Note: Due to space constraints, only a selection of sample questions and answers are provided below. For a complete set, please refer to the full sample paper.

Section A: Multiple Choice Questions

  1. Question: What is the chemical formula of water?

    • Answer: H₂O

  2. Question: Which of the following is a non-renewable resource?

    • Answer: Coal

  3. Question: What is the SI unit of force?

    • Answer: Newton (N)

  4. Question: Which gas is released during photosynthesis?

    • Answer: Oxygen

  5. Question: What is the pH value of pure water?

    • Answer: 7

Section B: Short Answer Questions

  1. Question: Explain the process of respiration in plants.

    • Answer: Respiration in plants involves the breakdown of glucose into carbon dioxide and water, releasing energy. This process occurs in the mitochondria and is essential for the plant's growth and development.

  2. Question: Describe the structure of an atom.

    • Answer: An atom consists of a central nucleus containing protons and neutrons, surrounded by electrons in various energy levels. The protons have a positive charge, electrons have a negative charge, and neutrons are neutral.

  3. Question: What is the law of conservation of mass?

    • Answer: The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; it is conserved. The total mass of reactants equals the total mass of products.

  4. Question: Define the term 'ecosystem'.

    • Answer: An ecosystem is a community of living organisms interacting with their physical environment, exchanging energy and nutrients. It includes both biotic and abiotic components.

  5. Question: What is the difference between speed and velocity?

    • Answer: Speed is a scalar quantity representing the distance traveled per unit time, while velocity is a vector quantity that includes both the speed and the direction of motion.

Section C: Long Answer Questions

  1. Question: Discuss the process of digestion in humans.

    • Answer: Digestion in humans begins in the mouth, where food is mechanically broken down by chewing and chemically by saliva. It then moves to the stomach, where gastric juices further break down the food. In the small intestine, enzymes from the pancreas and bile from the liver continue the digestion process, allowing nutrients to be absorbed into the bloodstream. The remaining waste is expelled through the large intestine.

  2. Question: Explain the greenhouse effect and its impact on the environment.

    • Answer: The greenhouse effect occurs when certain gases in Earth's atmosphere, such as carbon dioxide and methane, trap heat from the sun, warming the planet. While this natural process is essential for life, human activities have increased the concentration of these gases, leading to global warming. This results in rising sea levels, extreme weather events, and disruptions to ecosystems.

Section D: Case-Based Questions

  1. Question: A student observes that a metal object placed in water heats up faster than a wooden object of the same size. Explain this observation based on the specific heat capacity of materials.

    • Answer: Metals generally have a lower specific heat capacity compared to wood, meaning they require less heat to raise their temperature. Therefore, the metal object heats up faster than the wooden one when placed in water.

  2. Question: During a lab experiment, a student notices that a plant placed in a dark room does not produce oxygen. Explain this observation.

    • Answer: Plants require light for photosynthesis, the process that produces oxygen. In the absence of light, photosynthesis cannot occur, leading to no oxygen production.

For a comprehensive set of sample questions and answers, please refer to the full sample paper available at the provided link.

Sure! Here's an additional set of sample questions and answers that you can use to enhance your preparation:

Section E: Application-Based Questions

  1. Question: If a person touches a metal surface during winter, it feels colder than touching a wooden surface. Why?

    • Answer: Metal conducts heat much more efficiently than wood. When you touch metal, heat from your body is transferred to the metal quickly, making you feel colder. Wood, on the other hand, has poor thermal conductivity, so it doesn't draw heat away from your body as rapidly.

  2. Question: How does the angle of incidence affect the reflection of light?

    • Answer: The angle of incidence is the angle between the incoming ray and the normal (a line perpendicular to the surface). According to the law of reflection, the angle of incidence equals the angle of reflection. This means the direction of the reflected ray changes based on the angle at which light strikes a surface.

Section F: Conceptual Understanding Questions

  1. Question: Why is it important to study the periodic table in chemistry?

    • Answer: The periodic table organizes elements based on their atomic structure and properties, allowing us to predict behaviors, reactions, and trends such as electronegativity and atomic size. Understanding this table helps us classify and make sense of the vast number of elements in nature.

  2. Question: Describe the role of decomposers in an ecosystem.

    • Answer: Decomposers, such as bacteria and fungi, break down dead organisms and organic waste, recycling nutrients back into the soil. This process is crucial for maintaining the balance of ecosystems, as it ensures the continued availability of nutrients for plants and other organisms.

These questions can further strengthen your understanding of key concepts and provide practical scenarios that could appear in exams. Keep practicing and reviewing to sharpen your skills!

Here are two more sample questions and answers for the Class 10 Science 2021-22 sample paper:

Section A: Multiple Choice Questions

  1. Question: What is the primary function of white blood cells?

    • Answer: To protect the body against infections.

  2. Question: Which of the following is an example of a physical change?

    • Answer: Melting of ice.

Section B: Short Answer Questions

  1. Question: What is the role of chlorophyll in photosynthesis?

    • Answer: Chlorophyll absorbs light energy from the sun and helps in converting it into chemical energy, which is used for photosynthesis.

  2. Question: What are the different types of muscular tissue in the human body?

    • Answer: The three types of muscular tissue are skeletal muscles, cardiac muscles, and smooth muscles. Skeletal muscles are involved in voluntary movements, cardiac muscles are found in the heart, and smooth muscles are found in organs like the stomach and intestines.

Section C: Long Answer Questions

  1. Question: Explain how the human circulatory system works.

    • Answer: The human circulatory system consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood through arteries to various parts of the body. After the exchange of oxygen and nutrients for waste products, deoxygenated blood returns to the heart through veins. The heart then pumps the deoxygenated blood to the lungs for oxygenation. This system ensures the delivery of oxygen and nutrients to cells and removal of waste products.

  2. Question: Discuss the environmental consequences of deforestation.

    • Answer: Deforestation leads to loss of biodiversity as many species lose their natural habitats. It also causes soil erosion, climate change due to increased carbon dioxide in the atmosphere, and disruption of water cycles. The decrease in forest cover directly impacts the global ecosystem and human communities reliant on forests.

Recommended Books for Class 10 Science with Sample Papers and Solutions

  1. Science for Class 10 by R.D. Sharma (Dhanpat Rai Publishing)

    • This book provides a thorough understanding of all the subjects covered in the Class 10 Science syllabus. It includes explanations, solved examples, and sample papers for practice. Questions range from basic conceptual queries to application-based problems.

  2. NCERT Science Class 10 by NCERT (National Council of Educational Research and Training)

    • NCERT textbooks are a must-have for any student studying for board exams. The book includes theory, multiple-choice questions (MCQs), short-answer questions (SAQs), and long-answer questions (LAQs) aligned with the CBSE guidelines.

  3. Sample Paper Class 10 Science by Oswal Publishers (Oswal Publishers)

    • Oswal’s sample paper book is known for its well-structured papers and practice tests. The book contains sample papers with solutions, MCQs, and chapter-wise questions that help students practice under real exam conditions.

  4. Together with Science Class 10 by Rachna Sagar Publications

    • A popular book among students, it covers important topics with sample papers and solutions. The content is designed to help students develop problem-solving skills, with a strong focus on chapter-based questions and practice problems.

  5. Physics for Class 10 by Lakhmir Singh & Manjit Kaur (Laxmi Publications)

    • This book is widely recommended for its simple yet effective explanation of physics concepts. It includes solved examples, important theory points, and practice questions that prepare students for the CBSE exam.

  6. Chemistry Class 10 by Pradeep Publications

    • The Pradeep Chemistry book is comprehensive and helps students build a deep understanding of the subject. It contains solved questions, sample papers, and explanations to help students improve their grasp on chemistry concepts.

  7. Arihant Sample Papers Class 10 Science by Arihant Publications

    • Arihant is well-known for its competitive exam preparation books. This one includes sample papers, chapter-wise questions, and solutions that reflect the exact exam pattern. The questions range from basic factual to application-based problems.

  8. CBSE Class 10 Science Guide by D. K. Sharma (S. Chand Publishing)

    • This guidebook includes a wide range of sample papers, model papers, and their solutions. It is a great choice for students who want to revise and practice questions from each chapter systematically.

  9. Science Explorer Class 10 by M.L. Aggarwal (M.L. Aggarwal Publications)

    • This book is suitable for students looking for detailed explanations of scientific concepts along with practice questions and solutions. It offers a variety of question types including practical and theory-based questions.

  10. Mastering Science Class 10 by Prashant Bansal (MTG Learning Media Pvt Ltd)

    • Mastering Science is another excellent resource for Class 10 students. It contains practice papers and solutions along with subject-wise breakdowns, including tricky topics that require extra focus.

  11. Target CBSE Class 10 Science by P. Bhati (Target Publications)

    • This book is tailored for students aiming to target the CBSE board exam. It includes sample papers, practice sets, and solutions with an emphasis on core scientific concepts like biology, physics, and chemistry.

  12. Success in Science Class 10 by N. K. Sinha (Arihant Publications)

    • A book designed to enhance student performance by offering multiple question formats like MCQs, case studies, and long-answer questions. It helps in honing exam techniques.

  13. Class 10 Science Practice Papers by R.S. Aggarwal (S. Chand)

    • Known for its detailed solutions and step-by-step explanations, this book features practice papers that mirror the CBSE exam style. It is great for students seeking ample practice before the exam.

  14. Class 10 Science Key Questions by Jagran Prakashan

    • This book covers key questions from each chapter, focusing on important topics that are most likely to appear in exams. It includes MCQs, SAQs, and long-answer questions.

  15. Full Marks Science Class 10 by Full Marks (Full Marks Publications)

    • Full Marks offers excellent practice questions along with solutions. It’s a great resource for self-assessment, featuring multiple sets of sample papers and solutions.

  16. Concepts of Physics Class 10 by H.C. Verma (Bharati Bhawan)

    • H.C. Verma is widely regarded as one of the best authors for conceptual understanding in physics. His book for Class 10 provides detailed explanations and conceptual problems to help deepen students' understanding.

  17. Objective Science Class 10 by K.K. Gupta (Vikas Publishing)

    • This book focuses mainly on MCQs and objective-type questions that are common in competitive exams as well as board exams. It also contains sample papers with detailed solutions.

  18. Complete Science Class 10 by N.C. Ezhilan (McGraw-Hill Education)

    • This is a detailed guide that covers all topics in physics, chemistry, and biology. The book includes sample papers, practice sets, and solved examples to boost exam readiness.

  19. CBSE Class 10 Science Sample Papers with Solutions by Rajeev Sharma (Vikas Publication)

    • This book offers a large collection of sample papers with complete solutions. It is ideal for in-depth practice and understanding of the exam format.

  20. Class 10 Science Objective and Subjective Questions by P.K. Agarwal (Goyal Brothers Prakashan)

    • It’s a handy reference book that offers a collection of both objective and subjective questions, designed to help students prepare for the variety of questions they may encounter in their final exams.
  1. Quick Revision Science Class 10 by V.K. Sharma (Target Publications)
  • This book offers a concise and effective way to revise key scientific concepts for Class 10. It includes sample papers, important questions, and model test papers that help students quickly assess their understanding before the exam. It’s ideal for students looking for a fast-paced revision tool.
  1. Class 10 Science Key Concepts and Practice Papers by Vikas Gupta (Arihant Publications)
  • This book focuses on providing clarity around key scientific concepts across physics, chemistry, and biology. It includes important practice papers, MCQs, and a variety of solved and unsolved questions. The book is designed to improve students’ grasp on scientific topics through engaging exercises and detailed explanations.
  1. Science Class 10 Examination Guide by Sandeep Garg (S. Chand Publishing)
  • This guidebook provides thorough coverage of the Class 10 Science syllabus with multiple sample papers and solution sets. It offers a mix of MCQs, short-answer, and long-answer questions, ensuring that students practice a wide variety of problem types.
  1. All-in-One Science Class 10 by Arihant Publications
  • The "All-in-One" series is highly recommended for its comprehensive approach. It provides a vast collection of sample papers, previous years’ question papers, and detailed solutions for each subject area. It helps students prepare systematically, focusing on important exam topics.
  1. Practice Papers for Class 10 Science by P.K. Mishra (Dhanpat Rai & Co)
  • This book includes a collection of practice papers, model papers, and solutions for Class 10 Science. Each paper is carefully designed to simulate the exact pattern and level of difficulty that students can expect in their exams.
  1. Class 10 Science Master Guide by K.K. Chopra (Laxmi Publications)
  • The Master Guide covers a complete syllabus with sample papers, previous year’s questions, and solutions. It also includes a focus on the application of concepts, which is key for Class 10 board exams.
  1. Golden Guide for Class 10 Science by Goyal Brothers Prakashan
  • Known for its user-friendly approach, this book offers comprehensive content, sample papers, and solved questions with clear step-by-step solutions. It’s a great tool for quick revision before the exams.
  1. Class 10 Science Question Bank by M.L. Aggarwal (M.L. Aggarwal Publishers)
  • This book serves as an exhaustive question bank, covering a wide range of questions from every chapter. It is ideal for students who need additional practice and want to test their understanding on various topics in science.
  1. Step-by-Step Science Class 10 by Pradeep Kumar (MTG Learning Media)
  • This book is structured to provide clear, step-by-step solutions for every question. It includes a variety of problems, ranging from conceptual to application-based, which makes it a perfect companion for exam preparation.
  1. Complete Guide for Class 10 Science by R. S. Aggarwal (S. Chand Publishing)
  • This guide includes a broad collection of practice papers and solutions, making it one of the best resources for students aiming to boost their exam preparation. It covers all three main science subjects—physics, chemistry, and biology—along with relevant sample papers.
  1. Target Science Class 10 by S. L. Arora (Vikas Publishing)
  • The Target series provides well-rounded preparation with a focus on improving problem-solving abilities. The book includes sample papers, solutions, and key questions that help in understanding complex scientific concepts with ease.
  1. Mastering Class 10 Science by Ravi Chopra (MTG Learning Media Pvt Ltd)
  • Mastering Class 10 Science is an excellent resource for those looking to refine their skills. The book includes a balanced mix of theory explanations, sample papers, and solution sets that encourage students to engage with the material in depth.
  1. CBSE Sample Papers with Solutions Class 10 by Amit Agarwal (Arihant Publications)
  • This book contains a wide range of CBSE sample papers designed to help students prepare for the Class 10 exam. Each paper is followed by detailed solutions, enabling students to self-assess and work on their weaknesses.
  1. Science Focus Class 10 by Prashant Kumar (Full Marks)
  • Focused on exam-specific practice, this book provides sample papers, chapter-wise questions, and complete solutions. It helps students prepare systematically by focusing on key areas most likely to appear in exams.
  1. All-in-One Class 10 Science by Pradeep Publications
  • This book provides a complete package with theory, sample papers, and detailed solutions. It focuses on important topics for Class 10, offering both objective and subjective questions, making it an excellent resource for exam preparation.
  1. Class 10 Science by Kiran Prakashan
  • Kiran Prakashan’s Class 10 Science book offers a thorough collection of sample papers, practice sets, and solutions. It emphasizes a clear understanding of key scientific concepts with problem-solving exercises to boost students’ confidence.
  1. Science for Class 10 by Tanuja Manan (Gurukul Publishers)
  • This book provides ample practice through multiple sample papers and questions that cover all areas of Class 10 Science. Solutions are provided with clear explanations, ensuring students can assess their answers accurately.
  1. Sample Papers for Science Class 10 by Narendra Singh (Rajasthan State Publishers)
  • The book includes a series of practice papers designed to mimic the format of actual exams. It helps students practice under exam conditions, with solutions included for self-assessment.
  1. CBSE Class 10 Science Sample Papers by D. C. Pandey (S. Chand Publishers)
  • D.C. Pandey’s book is known for its precise and accurate questions. The sample papers are followed by detailed solutions and explanations, making this a perfect guide for students aiming for a high score.
  1. Class 10 Science Study Material by Balaji Publishers
  • This study material book provides a combination of theory and practice with sample papers and solutions. It covers all key topics in physics, chemistry, and biology, with a focus on revision and practice to prepare thoroughly for the exam.

These additional resources will provide a wide range of questions, sample papers, and solutions that will help Class 10 students strengthen their preparation for the Science exam.

A solid foundation in science is essential for students preparing for the Class 10 board exams. With a structured approach and focused practice, students can excel in their Science exams. One of the best ways to achieve this is by regularly solving sample papers and referring to books that provide both theory and practical solutions. Books like Science for Class 10 by R.D. Sharma, NCERT Science Class 10, and Arihant Sample Papers Class 10 Science offer a wide range of questions, including multiple-choice questions, short-answer questions, and long-answer questions. These books provide clear, step-by-step solutions to complex problems, ensuring that students understand the underlying concepts before attempting any problem. In addition to theoretical knowledge, practical exercises such as experiments, case studies, and application-based questions also help strengthen a student’s grasp of the subject.

By practicing consistently from these resources, students can familiarize themselves with the pattern of the exam, understand time management, and improve their problem-solving skills. Most of these books include solutions that not only show the correct answer but also explain the reasoning behind it, helping students learn how to approach similar problems in the future. The inclusion of previous years’ question papers and model test papers in books like Complete Guide for Class 10 Science by R. S. Aggarwal and Class 10 Science by Tanuja Manan ensures that students get a real exam-like experience. This exposure to diverse question types is crucial for building confidence and ensuring better performance in the exams.

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