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CBSE Class 10 Science 2020 — Paper 31/4/2

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

27 of its 39 questions also appear in 31/4/1 or 31/4/3; 12 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

    Also in 31/4/1 (Q2)

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Questions 3–4 · 4 marks each

  1. Q3 4 marks

    Also in 31/4/1 (Q3), 31/4/3 (Q3)

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  2. Q4 4 marks

    Also in 31/4/1 (Q4), 31/4/3 (Q4)

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Questions 5–14 · 1 mark each

  1. Q5 1 mark

    Also in 31/4/1 (Q7)

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  2. Q6(a) 1 mark

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    OR
    Q6(b) 1 mark

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  3. Q7 1 mark

    Also in 31/4/1 (Q5), 31/4/3 (Q11)

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  4. Q8(a) 1 mark

    Also in 31/4/1 (Q10(a)), 31/4/3 (Q10(a))

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    OR
    Q8(b) 1 mark

    Also in 31/4/1 (Q10(b)), 31/4/3 (Q10(b))

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  5. Q9(a) 1 mark

    Also in 31/4/1 (Q8(a)), 31/4/3 (Q12(a))

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    OR
    Q9(b) 1 mark

    Also in 31/4/1 (Q8(b)), 31/4/3 (Q12(b))

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  6. Q10 1 mark

    Also in 31/4/1 (Q9)

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  7. Q11 1 mark

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  8. Q12 1 mark

    Also in 31/4/1 (Q12), 31/4/3 (Q5)

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  9. Q13 1 mark

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  10. Q14 1 mark

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Questions 15–24 · 3 marks each

  1. Q15(a) 3 marks

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    OR
    Q15(b) 3 marks

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  2. Q16 3 marks

    Also in 31/4/1 (Q21), 31/4/3 (Q22)

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  3. Q17(a) 3 marks

    Also in 31/4/1 (Q20(a))

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    OR
    Q17(b) 3 marks

    Also in 31/4/1 (Q20(b))

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  4. Q18 3 marks

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  5. Q19(a) 3 marks

    Also in 31/4/1 (Q16(a)), 31/4/3 (Q19(a))

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    OR
    Q19(b) 3 marks

    Also in 31/4/1 (Q16(b)), 31/4/3 (Q19(b))

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  6. Q20 3 marks

    Also in 31/4/1 (Q17)

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  7. Q21 3 marks

    Also in 31/4/1 (Q19), 31/4/3 (Q15)

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  8. Q22 3 marks

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  9. Q23 3 marks

    Also in 31/4/1 (Q24), 31/4/3 (Q21)

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  10. Q24 3 marks

    Also in 31/4/1 (Q23)

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Questions 25–30 · 5 marks each

  1. Q25 5 marks

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  2. Q26(a) 5 marks

    Also in 31/4/1 (Q28(a))

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    OR
    Q26(b) 5 marks

    Also in 31/4/1 (Q28(b))

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  3. Q27(a) 5 marks

    Also in 31/4/1 (Q29(a)), 31/4/3 (Q30(a))

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    OR
    Q27(b) 5 marks

    Also in 31/4/1 (Q29(b)), 31/4/3 (Q30(b))

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  4. Q28(a) 5 marks

    Also in 31/4/1 (Q25(a)), 31/4/3 (Q25(a))

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    OR
    Q28(b) 5 marks

    Also in 31/4/1 (Q25(b)), 31/4/3 (Q25(b))

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  5. Q29 5 marks

    Also in 31/4/1 (Q27), 31/4/3 (Q29)

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  6. Q30 5 marks

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