CBSE Class 10 Science Boards 2021 Sample Paper Solved

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Read and download the CBSE Class 10 Science Boards 2021 Sample Paper Solved, designed by expert teachers according to the latest 2026-27 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 10 Science sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Model Papers: Class 10 Science (CBSE)

Every Class 10 Science student should use these model papers to check chapter-wise marks distribution and question trends. Solving these practice tests makes managing your exam time much easier. For even better results, pair them with our Class 10 Science Question Papers from past years.

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SECTION A
No. Questions Marks
1 List any two observations when Ferrous Sulphate is heated in a dry test tube?
OR
Identify the products formed when 1 mL of dil. Hydrochloric acid is added to 1g of Sodium metal?
 
2 Write the chemical name and chemical formula of the salt used to remove permanent hardness of water.
 
3 Which of the following is not observed in a homologous series? Give reason for your choice.
 
a) Change in chemical properties
 
b) Difference in -CH2 and 14u molecular mass
 
c) Gradation in physical properties
 
d) Same functional group
 
4 Why does the Sun appear white at noon?
 
5 Both a spherical mirror and a thin spherical lens have a focal length of (-)15 cm. What type of mirror and lens are these?
 
6 The image formed by a concave mirror is observed to be real, inverted and larger than the object. Where is the object placed?
OR
Name the part of a lens through which a ray of light passes without suffering any deviation.
 
7 In the arrangement shown in figure there are two coils wound on a nonconducting cylindrical rod. Initially the key is not inserted in the circuit. Later the key is inserted and then removed shortly after.
 CBSE Class 10 Science Boards 2021 Sample Paper Solved
8 Draw the magnetic field lines around a straight current carrying conductor. 
 
9 Two unequal resistances are connected in parallel. If you are not provided with any other parameters (eg. numerical values of I and R), what can be said about the voltage drop across the two resistors?
OR
Some work is done to move a charge Q from infinity to a point A in space. The potential of the point A is given as V. What is the work done to move this charge from infinity in terms of Q and V?
 
10 Veins are thin walled and have valves. Justify.
 
11 How is the wall of small intestine adapted for performing the function of absorption of food?
OR
Out of a goat and a tiger, which one will have a longer small intestine? Justify your answer.
 
12 Explain how ozone being a deadly poison can still perform an essential function for our environment.
OR
Give reason why a food chain cannot have more than four trophic levels.
 
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Exam Preparation Sample Paper for Class 10 Science CBSE Class 10 Science Boards 2021 Sample Paper Solved

Download Sample Paper: CBSE Class 10 Science Boards 2021 Sample Paper Solved (Class 10 Science)

Obtain the CBSE Class 10 Science Boards 2021 Sample Paper Solved directly from our site to boost your exam readiness. Learning the precise blueprint behind question creation is essential for Class 10 learners aiming for high grades. Working through these latest Science model sets exposes you to likely exam questions. Utilize the PDF format download for offline study, simulating real exam constraints at home.

Benefits of Practicing Class 10 Science Sample Papers

  • Updated Question Pool: Features brand new questions for Science distinct from past year archives.
  • Curriculum Insights: Regular practice clarifies chapter-wise marks distribution and formatting styles for Class 10.
  • Targeted Improvement: Track performance drops across sets to isolate specific Class 10 Science topics needing extra attention.
  • Time Efficiency: Practicing both MCQs and subjective problems for Class 10 Science builds critical pacing to finish papers timely.

Post-Practice Strategy for Class 10 Science

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Science Sample Paper PDF.
  2. Learn from Mistakes: Class 10 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you should refer to the NCERT book for Class 10 Science to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Science sample papers from our website to build confidence before the CBSE exams.

FAQs

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You can download the complete PDF for CBSE Class 10 Science Boards 2021 Sample Paper Solved for free from StudiesToday.com. Our resources for Class 10 Science are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 10 Science Boards 2021 Sample Paper Solved?

Yes, CBSE Class 10 Science Boards 2021 Sample Paper Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 10 understand correct methodology and marking scheme.

How can practicing CBSE Class 10 Science Boards 2021 Sample Paper Solved help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 10, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

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Yes, all our study materials for Class 10 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 10 Science Boards 2021 Sample Paper Solved on your mobile device.