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CBSE Class 10 Science 2019 — Paper 31/3/1

80 marks · 3 hours · 27 questions (37 with the OR choices)

27 of its 37 questions also appear in 31/3/2 or 31/3/3; 10 are only in this paper.

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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 3–5 · 2 marks each

  1. Q3 2 marks

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  2. Q4(a) 2 marks

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    OR
    Q4(b) 2 marks

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  3. Q5 2 marks

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Questions 6–15 · 3 marks each

  1. Q6 3 marks

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  2. Q7(a) 3 marks

    Also in 31/3/2 (Q13(a)), 31/3/3 (Q10(a))

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    OR
    Q7(b) 3 marks

    Also in 31/3/2 (Q13(b)), 31/3/3 (Q10(b))

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  3. Q8 3 marks

    Also in 31/3/2 (Q15)

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  4. Q9 3 marks

    Also in 31/3/2 (Q7)

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  5. Q10 3 marks

    Also in 31/3/2 (Q6), 31/3/3 (Q14)

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  6. Q11 3 marks

    Also in 31/3/3 (Q15)

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  7. Q12(a) 3 marks

    Also in 31/3/2 (Q9(a)), 31/3/3 (Q13(a))

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    OR
    Q12(b) 3 marks

    Also in 31/3/2 (Q9(b)), 31/3/3 (Q13(b))

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  8. Q13(a) 3 marks

    Also in 31/3/2 (Q10(a)), 31/3/3 (Q8(a))

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    OR
    Q13(b) 3 marks

    Also in 31/3/2 (Q10(b)), 31/3/3 (Q8(b))

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  9. Q14 3 marks

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  10. Q15 3 marks

    Also in 31/3/3 (Q7)

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Questions 16–21 · 5 marks each

  1. Q16(a) 5 marks

    Also in 31/3/2 (Q21(a)), 31/3/3 (Q17(a))

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    OR
    Q16(b) 5 marks

    Also in 31/3/2 (Q21(b)), 31/3/3 (Q17(b))

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  2. Q17 5 marks

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  3. Q18(a) 5 marks

    Also in 31/3/2 (Q19(a)), 31/3/3 (Q21(a))

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    OR
    Q18(b) 5 marks

    Also in 31/3/2 (Q19(b)), 31/3/3 (Q21(b))

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  4. Q19 5 marks

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  5. Q20(a) 5 marks

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

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    OR
    Q20(b) 5 marks

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

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  6. Q21 5 marks

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

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Questions 22–27 · 2 marks each

  1. Q22(a) 2 marks

    Also in 31/3/2 (Q25(a)), 31/3/3 (Q27(a))

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    OR
    Q22(b) 2 marks

    Also in 31/3/2 (Q25(b)), 31/3/3 (Q27(b))

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  2. Q23 2 marks

    Also in 31/3/2 (Q24), 31/3/3 (Q26)

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  3. Q24 2 marks

    Also in 31/3/2 (Q27), 31/3/3 (Q23)

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  4. Q25(a) 2 marks

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

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    OR
    Q25(b) 2 marks

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

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  5. Q26(a) 2 marks

    Also in 31/3/2 (Q23(a)), 31/3/3 (Q25(a))

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    OR
    Q26(b) 2 marks

    Also in 31/3/2 (Q23(b)), 31/3/3 (Q25(b))

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  6. Q27 2 marks

    Also in 31/3/2 (Q22), 31/3/3 (Q24)

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Other 2019 papers

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