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CBSE Class 10 Science 2020 — Paper 31/2/3

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

28 of its 39 questions also appear in 31/2/1, 31/2/2 and other papers; 11 are only in this paper.

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Questions 1–12 · 1 mark each

  1. Q1 1 mark

    Also in 31/2/1 (Q13), 31/2/2 (Q14)

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  2. Q2 1 mark

    Also in 31/2/1 (Q14), 31/2/2 (Q13)

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  3. Q3 1 mark

    Also in 31/2/1 (Q1), 31/2/2 (Q2)

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  4. Q4 1 mark

    Also in 31/2/1 (Q2), 31/2/2 (Q1)

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  5. Q5 1 mark

    Also in 31/2/1 (Q6), 31/2/2 (Q10)

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  6. Q6 1 mark

    Also in 31/2/1 (Q7), 31/2/2 (Q12)

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  7. Q7(a) 1 mark

    Also in 31/2/1 (Q5(a)), 31/2/2 (Q11(a))

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    OR
    Q7(b) 1 mark

    Also in 31/2/1 (Q5(b)), 31/2/2 (Q11(b))

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  8. Q8(a) 1 mark

    Also in 31/2/1 (Q12(a)), 31/2/2 (Q5(a))

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    OR
    Q8(b) 1 mark

    Also in 31/2/1 (Q12(b)), 31/2/2 (Q5(b))

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  9. Q9 1 mark

    Also in 31/2/1 (Q11), 31/2/2 (Q6)

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  10. Q10 1 mark

    Also in 31/2/1 (Q10), 31/2/2 (Q7)

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  11. Q11 1 mark

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

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  12. Q12(a) 1 mark

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

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    OR
    Q12(b) 1 mark

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

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Questions 13–14 · 4 marks each

  1. Q13 4 marks

    Also in 31/2/1 (Q3), 31/2/2 (Q4)

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  2. Q14 4 marks

    Also in 31/2/1 (Q4), 31/2/2 (Q3)

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Questions 15–24 · 3 marks each

  1. Q15 3 marks

    Also in 31/2/1 (Q17)

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  2. Q16 3 marks

    Also in 31/2/1 (Q15), 31/2/2 (Q16)

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  3. Q17(a) 3 marks

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    OR
    Q17(b) 3 marks

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  4. Q18(a) 3 marks

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    OR
    Q18(b) 3 marks

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  5. Q19 3 marks

    Also in 31/2/1 (Q19), 31/2/2 (Q18)

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  6. Q20 3 marks

    Also in 31/2/1 (Q21), 2017 · 31/1/1/C (Q17), 2017 · 31/1/2/C (Q13)

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  7. Q21 3 marks

    Also in 31/2/1 (Q20)

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  8. Q22 3 marks

    Also in 31/2/1 (Q22)

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  9. Q23(a) 3 marks

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    OR
    Q23(b) 3 marks

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  10. Q24 3 marks

    Also in 31/2/1 (Q23), 31/2/2 (Q22)

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Questions 25–30 · 5 marks each

  1. Q25(a) 5 marks

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    OR
    Q25(b) 5 marks

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  2. Q26 5 marks

    Also in 31/2/1 (Q26), 31/2/2 (Q25)

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  3. Q27(a) 5 marks

    Also in 31/2/1 (Q28(a)), 31/2/2 (Q27(a))

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    OR
    Q27(b) 5 marks

    Also in 31/2/1 (Q28(b)), 31/2/2 (Q27(b))

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  4. Q28 5 marks

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  5. Q29(a) 5 marks

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    Q29(b) 5 marks

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  6. Q30 5 marks

    Also in 31/2/1 (Q29)

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Other 2020 papers

All CBSE Class 10 Science papers →