CBSE Class 8 Science Question Paper Set 3 Solved

Access and download CBSE Class 8 Science Question Paper Set 3 Solved, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 8 Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Science Question Papers for Class 8

Practicing these Class 8 Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 8 students can improve their speed and accuracy. Download the full CBSE Class 8 Science Question Paper Set 3 Solved to begin your self-assessment today.

Science Class 8 Question Paper PDF with Solutions

 
    SECTION ‘A’ 
 
Q.NO1 (a) The outer covering of the cell is the
 
i. nuclear membrane       ii.mitochondra      iii. Cell membrane     iv. ribosome
 
(b) A tadpole develops into an adult frog by the process of
 
i.fertilization ii.metamorphosis iii.embedding iv.budding
 
(c) In electrolytes, which of the following acts as carrier of charge?
 
i.protons      ii.electrons       iii.neutrons      iv.ions
 
(d) A body vibrating with a low frequency will
 
i.have a lower pitch      ii.have a higher pitch     iii.be louder iv.be softer
 
(e) Sound can travel in
 
i.solid       ii.liquid       iii.gas       iv.all of these
 
(f) Which of the following cannot be beaten into thin sheets?
 
i.zinc       ii.phosphorus       iii.aluminium      iv.iron
 
(g) Reproductive age in women starts when their
 
i.menstruation starts             ii.menopause starts.
 
iii.body weight increases        iv.height increases
 
(h) Power house of the cell.
 
i.nucleus ii.mitochondria iii.lysosome iv.Golgi body
 
(i) The least polluting fuel is
 
i.petrol        ii.CNG       iii.diesel         iv.coal
 
(j) Which of the following cannot be charged easily by friction?
 
i. a plastic scale       ii. a copper rod      iii.an inflated balloon      iv. a woollen cloth
 
(k) What are air pollutants?
 
(l) Why are the voices of men different from that of women?

(m) Name two diseases caused by virus.

(n) How does a vaccine work?
 
(o) Why are viruses considered to be on the border line between the living and the nonliving things?
 
(p) Name the vibrating part that produces sound in tabla. 
 
(q) In which female reproductive organ does the embryo get embedded? 
 
(r) Write the functions of the following hormones- Insulin, thyroxine.
 
(s) Give the location of adrenal glands and name the hormone secreted by it.
 
(t) I Identify the properties of metals that are used in a) making silver foil b) bells
 
 
SECTION ‘B’ 
 
Q.NOa. Why cells are the basic structural and functional unit of all living organisms?
 
b. List the functions of nerve cells.
 
(3) a.What are antibiotics?
 
b.List two precautions taken while taking antibiotics.
 
(4) a.The distance between the object and its image formed by a plane mirror appears to be 28cm.What is the distance between the mirror and the object?
 
b. State any three characteristics of the image formed.
 
(5) a. In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.
 
b.It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Give reason.
 
(6) a.Why do copper vessels turn green when exposed to moist air for a long time?
 
b.Write the word equation of the above reaction.
 
c. What is the nature of metallic oxides?
 
(7) a.A simple pendulum makes 10 oscillations in 20 seconds. What is the time period?
 
b.Saurav heard sound of thunderbolt 6 second after he saw flash of lightning. How far is he from the place where lightning occurs?(Speed of sound =330m/s)
 
                                   OR
 
a.We cannot hear the sound of the exploding meteor in the sky, though we can see them.Why?
 
b. What is meant by oscillatory motion?
 
 
(8) a.What is an electroscope?
 
b.List two safety measures that should be taken during lightning and thunder.




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CBSE Class 8 Science Question Paper Set 3 Solved

To understand the types of questions asked in past examinations, it is very important for Class 8 students to solve the CBSE Class 8 Science Question Paper Set 3 Solved provided above. You can easily download these past papers for Class 8 Science in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 8 Science Question Paper Set 3 Solved

Regularly practicing CBSE Class 8 Science Question Paper Set 3 Solved is the best way to improve your score in Class 8 Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Science paper within the allowed duration.

Benefits of downloading CBSE Class 8 Question Papers

Having the CBSE Class 8 Science Question Paper Set 3 Solved in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 8 Science Sample Papers and MCQ tests on studiestoday.com for a complete revision.

Where can I download the official PDF for CBSE Class 8 Science Question Paper Set 3 Solved?

The CBSE Class 8 Science Question Paper Set 3 Solved is available for download on StudiesToday.com. It includes complete set with all sections so that Class 8 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 8 Science Question Paper Set 3 Solved based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 8 Science Question Paper Set 3 Solved are prepared by subject matter experts as per official marking scheme. Class 8 students will understand the structure of answers and 'step-marks' methodology Science.

How does solving CBSE Class 8 Science Question Paper Set 3 Solved help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 8 Science Question Paper Set 3 Solved is important to understand repeat themes and question difficulty levels of Science. It helps Class 8 students to test their time management skills too.

Can I access CBSE Class 8 Science Question Paper Set 3 Solved in different languages?

Yes, where applicable, CBSE Class 8 Science Question Paper Set 3 Solved is available in both English and Hindi mediums. All students from Class 8 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 8 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 8 Science Question Paper Set 3 Solved, are provided free of charge in mobile-friendly PDF.