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CBSE Class 10th Science Sample Paper With Solution PDF Free Download
CBSE Class 10th Science Sample Paper With Solution
Class 10 has an intuitive syllabus that includes different subjects. These subjects have been included in the syllabus so that the students can develop their conceptual foundations accordingly and can choose the right subject they want to study at the Higher Secondary level.
This is why every subject is important for students to study. They will learn the new concepts described in the chapters and will develop their concepts for the particular subjects.
To check their conceptual foundation and preparation level, they will need a set of sample papers for each subject and solve.
To complete the study material students follow for each subject, the subject experts of Vedantu have compiled the sample papers accordingly.
These sample papers contain the fundamental questions framed by the experts after thoroughly following the latest syllabus. The standard of these questions has been set at the CBSE Class 10 level.
Science Sample Paper Class 10 2023
As CBSE Class 10 examinations have begun and students must go through the CBSE Class 10 Science Sample Paper 2023 released by CBSE for the academic year 2022-23.
The CBSE Class 10 Science Board Exam will be of descriptive nature for which the time allotted is 3 hours for 39 questions. The question paper consists of 39 questions divided into 5 sections.
1. Section A consists of 20 objective-type questions carrying 1 mark each.
2. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should be in the range of 30 to 50 words.
3. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should be in the range of 50 to 80 words
4. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answers to these questions should be in the range of 80 to 120 words.
5. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Science Sample Paper Class 10 2023 with Solutions
The students who are studying for CBSE Class 10 Science 2023 Examination can download the official Class 10 Science Sample Paper PDF from the below link and practice the questions as per the pattern released by CBSE along with the solution.
| Class 10 Science Sample Paper with Solutions | |
|---|---|
| Sample Paper | Solution |
| Class 10 Science Sample Paper 2023 [Official] | Solution Link |
Class 10 Science Sample Paper and Solution 2023
Section A
Section A consists of 20 objective-type questions carrying 1 mark each.
Select and write one most appropriate option out of the four options given for each of the questions
Question 1. The change in color of the moist litmus paper in the given setup is due to
i. presence of acid
ii. presence of base
iii. presence of H⁺(aq) in the solution
iv. presence of Litmus which acts as an indicator
(a) I and ii
(b) Only ii
(c) Only iii
(d) Only iv
Solution: (c) Only iii
Question 2. In the redox reaction
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
(a) MnO2 is reduced to MnCl2& HCl is oxidized to H2O
(b) MnO2 is reduced to MnCl2& HCl is oxidized to Cl2
(c) MnO2 is oxidized to MnCl2 & HCl is reduced to Cl2
(d) MnO2 is oxidized to MnCl2 & HCl is reduced to H2O
Solution: (b) MnO2 is reduced to MnCl2 & HCl is oxidized to Cl2
Question 3. Which of the following is the correct observation of the reaction shown in the above setup?
(a) Brown powder of Magnesium oxide is formed.
(b) Colourless gas which turns lime water milky is evolved.
(c) Magnesium ribbon burns with brilliant white light.
(d) Reddish brown gas with a smell of burning Sulphur has evolved.
Solution: (c) Magnesium ribbon burns with brilliant white light
Question 4. With the reference to four gases CO2, CO, Cl2, and O2, which one of the options in the table is correct?
| Option | Acidic oxide | Used in the treatment of water | Product of respiration | Product of incomplete combustion |
| (a) | CO | Cl2 | O2 | CO |
| (b) | CO2 | Cl2 | CO2 | CO |
| (c) | CO2 | O2 | O2 | CO2 |
| (d) | CO | O2 | CO2 | CO2 |
Solution: (b) CO2, Cl2, CO2, CO
Question 5. On placing a copper coin in a test tube containing green ferrous sulfate solution, it will be observed that the ferrous sulfate solution
(a) turns blue, and a grey substance is deposited on the copper coin.
(b) turns colorless and a grey substance is deposited on the copper coin.
(c) turns colorless and a reddish-brown substance is deposited on the copper coin.
(d) remains green with no change in the copper coin.
Solution: (d) Ferrous sulfate solution remains green with no change in the copper coin.
Question 6. Anita added a drop each of diluted acetic acid and diluted hydrochloric acid on pH paper and compared the colors. Which of the following is the correct conclusion?
(a) a pH of acetic acid is more than that of hydrochloric acid.
(b) a pH of acetic acid is less than that of hydrochloric acid.
(c) Acetic acid dissociates completely in an aqueous solution.
(d) Acetic acid is a strong acid
Solution: (a) Only i
Question 7. The formulae of four organic compounds are shown below.
Choose the correct option
(a) A and B are unsaturated hydrocarbons
(b) C and D are saturated hydrocarbons
(c) Addition of hydrogen in the presence of catalyst changes A to C
(d) Addition of potassium permanganate changes B to D
Solution: (c) Addition of hydrogen in the presence of a catalyst changes A to C
Question 8. In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.
(a) I, II
(b) II, III
(c) III, IV
(d) I, IV
Solution: (b) II, III
Question 9. Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.
(a) NaOH
(b) KOH
(c) Ca (OH)2
(d) K2CO3
Solution: (b)
Question 10. If a tall pea plant is crossed with a pure dwarf pea plant then, what percentage of F1 and F2 generation respectively will be tall?
(a) 25%, 25%
(b) 50%, 50%
(c) 75%,100%
(d) 100%, 75%
Solution: (d)
Question 11. Observe the three figures given below.
Which of the following depicts tropic movements appropriately?
(a) B and C
(b) A and C
(c) B only
(d) C only
Solution: (d) C only
Question 12. The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.
(a) A, B, and C
(b) B and D
(c) B, C, and D
(d) A and C
Solution: (b) B and D
Question 13. A complete circuit is left on for several minutes, causing the connecting copper wire to become hot. As the temperature of the wire increases, the electrical resistance of the wire
(a) decreases.
(b) remains the same.
(c) increases.
(d) increases for some time and then decreases.
Solution: (c) increases
Question 14 A copper wire is held between the poles of a magnet The current in the wire can be reversed. The pole of the magnet can also be changed over. In how many of the four directions shown can the force act on the wire?
(a) 1
(b) 2
(c) 3
(d) 4
Solution: (b) 2 (Either North or South)
Question 15. Plastic insulation surrounds a wire having diameter d and length l as shown above. A decrease in the resistance of the wire would be produced by an increase in the
(a) length l of the wire
(b) diameter d of the wire
(c) the temperature of the wire
(d) the thickness of the plastic insulation
Solution: (b) diameter d of the wire
Question 16 Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
(a) straight lines perpendicular to the wire.
(b) straight lines parallel to the wire.
(c) radial lines originating from the wire.
(d) concentric circles centered around the wire.
Solution: (d) The field consists of concentric circles centered around the wire
Q. no 17 to 20 are Assertion – Reasoning based questions.
These consist of two statements – Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true and R is not the correct explanation of A
(c) A is true but R is false
(d) A is False but R is true
Question 17. Assertion: Silver bromide decomposition is used in black-and-white photography.
Reason: Light provides energy for this exothermic reaction.
Solution: (c) A is true but R is false
Question 18 Assertion: Height in pea plants is controlled by the efficiency of enzymes and is thus genetically controlled.
Reason: Cellular DNA is the information source for making proteins in the cell.
Solution: (a) Both A and R are true and R is the correct explanation of A
Question 19. Assertion: Amphibians can tolerate the mixing of oxygenated and deoxygenated blood.
Reason: Amphibians are animals with a two-chambered heart
Solution: (c) A is true but R is false
Question 20. Assertion: On freely suspending a current–carrying solenoid, it comes to rest in a geographical N-S direction.
Reason: One end of the current carrying a straight solenoid behaves as a North pole and the other end as a South pole, just like a bar magnet.
Solution: (a) Both A and R are true and R is the correct explanation of A
Section B
Question 21. A clear solution of slaked lime is made by dissolving Ca(OH)2in an excess of water. This solution is left exposed to air. The solution slowly goes milky as a faint white precipitate form. Explain why faint white precipitate forms, and support your response with the help of a chemical equation.
Solution: Calcium hydroxide reacts with Carbon dioxide present in the atmosphere to form Calcium carbonate which results in milkiness/white ppt / Formation of Calcium carbonate
Ca(OH)₂ + CO₂ → CaCO₃ + H₂O
OR
Keerti added dilute Hydrochloric acid to four metals and recorded her observations as shown in the table given below
| Metal | Gas Evolved |
| Copper | Yes |
| Iron | Yes |
| Magnesium | No |
| Zinc | Yes |
Select the correct observation(s) and give chemical equation(s) of the reaction involved
Solution: Fe + HCl → FeCl₂/ FeCl₃ + H₂ (1mark) (No deduction for balancing/ states) Zn + HCl → ZnCl₂ + H₂
| Language | English |
| No. of Pages | 7 |
| PDF Size | 0.08 MB |
| Category | Education |
| Source/Credits | www.careerpower.in |
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