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CBSE Class 10 Science 2020 — Paper 31/4/3

80 marks · 3 hours · 30 questions (39 with the OR choices)

28 of its 39 questions also appear in 31/4/1, 31/4/2 and other papers; 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 1–2 · 1 mark each

  1. Q1 1 mark

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  2. Q2 1 mark

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Questions 3–4 · 4 marks each

  1. Q3 4 marks

    Also in 31/4/1 (Q3), 31/4/2 (Q3)

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  2. Q4 4 marks

    Also in 31/4/1 (Q4), 31/4/2 (Q4)

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Questions 5–14 · 1 mark each

  1. Q5 1 mark

    Also in 31/4/1 (Q12), 31/4/2 (Q12)

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  2. Q6 1 mark

    Also in 31/4/1 (Q11)

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  3. Q7 1 mark

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  4. Q8(a) 1 mark

    Also in 31/4/1 (Q6(a))

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    OR
    Q8(b) 1 mark

    Also in 31/4/1 (Q6(b))

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  5. Q9 1 mark

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  6. Q10(a) 1 mark

    Also in 31/4/1 (Q10(a)), 31/4/2 (Q8(a))

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    OR
    Q10(b) 1 mark

    Also in 31/4/1 (Q10(b)), 31/4/2 (Q8(b))

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  7. Q11 1 mark

    Also in 31/4/1 (Q5), 31/4/2 (Q7)

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  8. Q12(a) 1 mark

    Also in 31/4/1 (Q8(a)), 31/4/2 (Q9(a))

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    OR
    Q12(b) 1 mark

    Also in 31/4/1 (Q8(b)), 31/4/2 (Q9(b))

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  9. Q13 1 mark

    Also in 31/4/1 (Q14)

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  10. Q14 1 mark

    Also in 31/4/1 (Q13)

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Questions 15–24 · 3 marks each

  1. Q15 3 marks

    Also in 31/4/1 (Q19), 31/4/2 (Q21)

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  2. Q16 3 marks

    Also in 31/4/1 (Q18)

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  3. Q17 3 marks

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  4. Q18(a) 3 marks

    Also in 31/4/1 (Q15(a))

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    Q18(b) 3 marks

    Also in 31/4/1 (Q15(b)), 31/C/1 (Q15), 31/C/3 (Q17)

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  5. Q19(a) 3 marks

    Also in 31/4/1 (Q16(a)), 31/4/2 (Q19(a))

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    Q19(b) 3 marks

    Also in 31/4/1 (Q16(b)), 31/4/2 (Q19(b))

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  6. Q20(a) 3 marks

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    Q20(b) 3 marks

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  7. Q21 3 marks

    Also in 31/4/1 (Q24), 31/4/2 (Q23)

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  8. Q22 3 marks

    Also in 31/4/1 (Q21), 31/4/2 (Q16)

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  9. Q23 3 marks

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  10. Q24 3 marks

    Also in 31/4/1 (Q22)

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Questions 25–30 · 5 marks each

  1. Q25(a) 5 marks

    Also in 31/4/1 (Q25(a)), 31/4/2 (Q28(a))

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    Q25(b) 5 marks

    Also in 31/4/1 (Q25(b)), 31/4/2 (Q28(b))

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  2. Q26 5 marks

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  3. Q27 5 marks

    Also in 31/4/1 (Q30)

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  4. Q28(a) 5 marks

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    Q28(b) 5 marks

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  5. Q29 5 marks

    Also in 31/4/1 (Q27), 31/4/2 (Q29)

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  6. Q30(a) 5 marks

    Also in 31/4/1 (Q29(a)), 31/4/2 (Q27(a))

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    Q30(b) 5 marks

    Also in 31/4/1 (Q29(b)), 31/4/2 (Q27(b))

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Other 2020 papers

All CBSE Class 10 Science papers →