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CBSE Class 10 Science 2023 — Paper 31/4/1

80 marks · 3 hours · 39 questions (46 with the OR choices)

35 of its 46 questions also appear in 31/4/2 or 31/4/3; 11 are only in this paper.

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Free with an account: the board's time limit, marking at the end, and the answer to every question.

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Questions 1–20 · 1 mark each

  1. Q1 1 mark

    Also in 31/4/2 (Q7), 31/4/3 (Q2)

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  2. Q2 1 mark

    Also in 31/4/2 (Q6), 31/4/3 (Q1)

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  3. Q3 1 mark

    Also in 31/4/2 (Q5), 31/4/3 (Q4)

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  4. Q4 1 mark

    Also in 31/4/2 (Q4), 31/4/3 (Q3)

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  5. Q5 1 mark

    Also in 31/4/2 (Q3), 31/4/3 (Q7)

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  6. Q6 1 mark

    Also in 31/4/2 (Q2), 31/4/3 (Q5)

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  7. Q7 1 mark

    Also in 31/4/2 (Q1), 31/4/3 (Q6)

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  8. Q8 1 mark

    Also in 31/4/2 (Q12)

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  9. Q9 1 mark

    Also in 31/4/3 (Q8)

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  10. Q10 1 mark

    Also in 31/4/3 (Q12)

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  11. Q11 1 mark

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  12. Q12 1 mark

    Also in 31/4/2 (Q8)

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  13. Q13 1 mark

    Also in 31/4/3 (Q14)

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  14. Q14 1 mark

    Also in 31/4/2 (Q15), 31/4/3 (Q13)

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  15. Q15 1 mark

    Also in 31/4/2 (Q14), 31/4/3 (Q16)

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  16. Q16 1 mark

    Also in 31/4/2 (Q13)

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  17. Q17 1 mark

    Also in 31/4/2 (Q20), 31/4/3 (Q18)

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  18. Q18 1 mark

    Also in 31/4/2 (Q19), 31/4/3 (Q17)

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  19. Q19 1 mark

    Also in 31/4/2 (Q18), 31/4/3 (Q20)

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  20. Q20 1 mark

    Also in 31/4/2 (Q17), 31/4/3 (Q19)

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Questions 21–26 · 2 marks each

  1. Q21(a) 2 marks

    Also in 31/4/2 (Q26(a)), 31/4/3 (Q22(a))

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    Q21(b) 2 marks

    Also in 31/4/2 (Q26(b)), 31/4/3 (Q22(b))

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  2. Q22(a) 2 marks

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    OR
    Q22(b) 2 marks

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  3. Q23 2 marks

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  4. Q24 2 marks

    Also in 31/4/2 (Q23), 31/4/3 (Q23)

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  5. Q25(a) 2 marks

    Also in 31/4/2 (Q22(a)), 31/4/3 (Q26(a))

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    OR
    Q25(b) 2 marks

    Also in 31/4/2 (Q22(b)), 31/4/3 (Q26(b))

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  6. Q26 2 marks

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Questions 27–33 · 3 marks each

  1. Q27 3 marks

    Also in 31/4/2 (Q33), 31/4/3 (Q28)

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  2. Q28 3 marks

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  3. Q29(a) 3 marks

    Also in 31/4/2 (Q31(a)), 31/4/3 (Q30(a))

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    OR
    Q29(b) 3 marks

    Also in 31/4/2 (Q31(b)), 31/4/3 (Q30(b))

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  4. Q30(a) 3 marks

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    OR
    Q30(b) 3 marks

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  5. Q31 3 marks

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  6. Q32(a) 3 marks

    Also in 31/4/2 (Q28(a)), 31/4/3 (Q31(a))

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    OR
    Q32(b) 3 marks

    Also in 31/4/2 (Q28(b)), 31/4/3 (Q31(b))

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  7. Q33 3 marks

    Also in 31/4/2 (Q27), 31/4/3 (Q32)

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Questions 34–36 · 5 marks each

  1. Q34(a) 5 marks

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    OR
    Q34(b) 5 marks

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  2. Q35 5 marks

    Also in 31/4/2 (Q35), 31/4/3 (Q34)

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  3. Q36 5 marks

    Also in 31/4/2 (Q34), 31/4/3 (Q35)

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Questions 37–39 · 4 marks each

  1. Q37 4 marks

    Also in 31/4/2 (Q39), 31/4/3 (Q39)

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  2. Q38 4 marks

    Also in 31/4/2 (Q38), 31/4/3 (Q37)

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  3. Q39 4 marks

    Also in 31/4/2 (Q37), 31/4/3 (Q38)

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