CBSE Class 10 Science Sample Paper Solved 2021 Set A

Read and download the CBSE Class 10 Science Sample Paper Solved 2021 Set A, designed by expert teachers according to the latest 2025-26 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.

Solved Sample Paper for Class 10 Science PDF

Our Class 10 Science model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 10 students can identify weak areas and improve time management. We also suggest referring to our Class 10 Science Question Papers of previous years to further strengthen your exam preparation.

Class 10 Science Sample Paper with Solutions

SECTION A
 
1 What is ‘blob’ known as in Blob on a stick structures of Rhizopus? 
 
2 Mention any one point of difference between Pepsin and Trypsin. 
 
3 An element ‘P’ has atomic number 13. What would be its position in the modern periodic table? Write the formula of its oxide.
 
4 Write any two advantages and any two limitations of harnessing wind energy on a large scale. 
 
5 How much current will an electric bulb draw from 220 V source if the resistance of the bulb is 1200 ohm? If in place of bulb, when a heater is used the current drawn is 2.2 A. Calculate the resistance of the heater.
 
6 An object of height 5 cm is placed perpendicular to the principal axis of a concave lens of focal length
 
10 cm.If the distance of the object from the lens is 20 cm, determine the position and magnification of the image.
 
7 (i) What is hypermetropia?
 
(ii) Write the cause of hypermetroipa?
 
(iii) Draw the ray diagram showing how hypermetropia is corrected?
 
8 a) Do basic solutions also have H+ (aq) ions? Then why are these basic?
 
b) Which of the given salts have pH more than 7?
 
i) washing soda ii) copper sulphate iii) sodium acetate iv) ammonium chloride
 
c) A dry pellet of a common base reacts with HCl to form salt and water. Define the type of reaction involved.
 
9 a) State Modern Periodic law.
 
b) Why did Mendeleev leave gaps in his periodic table?
 
c) Two elements ‘C’ and ‘D’ belong to group 17 and group 16 respectively. Which has smaller atomic size? Why?
 
10 Plants absorb water from the soil. Root hairs help in this process.
 
a) Name the structural components which help in the transport of water upwards.
 
b) Explain the process and forces which help in the transport of water in tall trees from the roots to the tree tops.
                                   OR
i) In human excretory system
 
a) Which part(s) produces urine.
 
b) Where is urine stored?
 
ii) Name the factors on which the amount of water reabsorbed along the tubular part of nephron depend on?
 
iii) On what principle, artificial kidney is working?
 
11 Name the hormone secreted by a) Thyroid gland b) Pancreas c) ovary and also state one function of each.
 
12 Name the device that converts electrical energy into mechanical energy. Draw the labeled diagram and explain the principle involved in this device.
                                               OR
(i) How is an ammeter connected in an electric circuit? Give reason.
 
(ii) List out advantages of parallel combination of appliances over series combination in domestic circuit.
 


Please click on below link to download CBSE Class 10 Science Sample Paper Solved 2021 Set A

How to download CBSE Class 10 Science Sample Paper Solved 2021 Set A in PDF?

Students can easily download the CBSE Class 10 Science Sample Paper Solved 2021 Set A from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 10 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Science and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 10 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 10 Science Sample Paper Solved 2021 Set A?

Practicing these model papers has several benefits for Class 10 students:

  • New Question Bank: This set has fresh questions for Science which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 10 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 10 Science for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 10 Science makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 10 Science Sample Paper Solved 2021 Set A?

  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 shoul refer to 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 studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 10 Science Sample Paper Solved 2021 Set A?

You can download the complete PDF for CBSE Class 10 Science Sample Paper Solved 2021 Set A 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 Sample Paper Solved 2021 Set A?

Yes, CBSE Class 10 Science Sample Paper Solved 2021 Set A 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 Sample Paper Solved 2021 Set A 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.

Is the CBSE Class 10 Science Sample Paper Solved 2021 Set A accessible on mobile and tablets?

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 Sample Paper Solved 2021 Set A on your mobile device.