CBSE Class 9 Science Sample Paper Set 21

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Official CBSE Practice Papers for Class 9 Science

Review targeted exam resources with the CBSE Class 9 Science Sample Paper Set 21. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 9 Science sample papers support effective revision and performance tracking.

Solved Model Papers for Science

Access the complete sample paper PDF for Class 9 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

1. State the characteristic of gas used in supplying oxygen cylinders to hospitals.

2. No force is required to move an object with a constant velocity. Why ?

3. Why do egg shells dissolve in dilute hydrochloric acid ?

4. Water is a compound and not a mixture. List two reasons to justify your answer.

5. State the universal law of gravitation. Why is G called the Universal gravitation Constant ? ‘

6. (a) What is DNA ? Where is it located ?

    (b) Name the functional segment of DNA. 

7. Name the connective tissue which helps in repair of tissues. State where this tissue is found. Mention its one more function. 

8. Give reasons for the following :

(a) The smell of baking cake from the kitchen reaches you in the bedroom.

(b) After your morning exercise you feel cold.

(c) A gas fills completely the vessel in which it is kept.

9. (a) Define element

    (b) Identify two non metals from the following elements. Carbon, Potassium, Silicon, Chlorine, Mercury

    (c) In what way is a mixture different from a compound ? 

10. Distinguish between uniform and non-uniform motion. Draw displacement - time graph for each.

11. When are the forces acting on a body said to be balanced ? Give an example. What type of change can the balanced forces bring about in an object ?

12. Assuming that the mass of Earth is 100 times larger than the mass of Moon and the radius of Earth is about 4 times as that of Moon. Show that the weight of an object on Moon is 1/6th of that on Earth.

13. State Newton’s first law of motion. What is inertia ? Why some of the leaves get detached from a tree if we vigorously shake its branches ?
 
14. State the source of centripetal force that a planet requires to revolve around the sun. On what factors does this force depend ? Suppose this force suddenly becomes zero, then in which direction will the planet begin to move if no other celestial body affects it ? Justify your answer.
 
15. Name the fat storing tissue in our body. Describe its structure and function with the help of a diagram.
 
16.Which permanent tissue :
(a) forms husk of coconut ?
(b) stores nutrients and water in stems and root ?
 
17. (a) State the two types of plastids ? Mention the functions of each.
(b) How do vacuoles help in ingestion and egestion in single celled organisms like amoeba ?
 
18. List any three methods adopted in farming for the health of the cattle.
 
19. What are weeds ? Why is removal of weeds essential ? Name any two measures of weed control.
 
20. What is sublimation ? With the help of an activity describe the sublimation of a solid substance.Name two substances from our daily life that sublime on heating.
                        OR
What is a homogenous mixture ? Name the method by which you can separate the components of air. Give a labeled flow diagram to show the steps of the process.

 

Please refer to attached file for CBSE Class 9 Science Sample Paper Set U

Free study material for Science

Model Practice Papers & Solutions for Class 9 Science

Get Started with CBSE Class 9 Science Sample Paper Set 21 (CBSE)

Access structured sample papers for Class 9 Science. Solving the CBSE Class 9 Science Sample Paper Set 21 provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.

Why Practice Class 9 Science Sample Papers?

  • Original Practice Material: Access unique questions for Science designed to challenge your understanding.
  • Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 9 Science.
  • Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.

How to Analyze Your Performance in CBSE Class 9 Science Sample Paper Set 21

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 9 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Science sample modules online to maximize preparedness for CBSE evaluations.

FAQs

Where can I download the PDF for CBSE Class 9 Science Sample Paper Set 21?

You can download the complete PDF for CBSE Class 9 Science Sample Paper Set 21 for free from StudiesToday.com. Our resources for Class 9 Science are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 9 Science Sample Paper Set 21?

Yes, CBSE Class 9 Science Sample Paper Set 21 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 9 understand correct methodology and marking scheme.

How can practicing CBSE Class 9 Science Sample Paper Set 21 help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 9, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 9 Science Sample Paper Set 21 accessible on mobile and tablets?

Yes, all our study materials for Class 9 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 9 Science Sample Paper Set 21 on your mobile device.