CBSE Class 10 Science Boards 2021 Sample Paper Solved

Official CBSE Practice Papers for Class 10 Science

Review targeted exam resources with the CBSE Class 10 Science Boards 2021 Sample Paper Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 10 Science sample papers support effective revision and performance tracking.

Solved Model Papers for Science

Access the complete sample paper PDF for Class 10 Science below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.

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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Free study material for Science

Exam Preparation Sample Paper for Class 10 Science CBSE Class 10 Science Boards 2021 Sample Paper Solved

Get Started with CBSE Class 10 Science Boards 2021 Sample Paper Solved (CBSE)

Review model practice papers for Class 10 Science. Working through the CBSE Class 10 Science Boards 2021 Sample Paper Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Maximize Your Scores with Model Papers

  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 10.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 10 Science topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

How to Analyze Your Performance in CBSE Class 10 Science Boards 2021 Sample Paper Solved

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 10 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 10 Science when stuck before re-attempting problems.

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.