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CBSE Class 10 Science 2018 — Paper 31(B)

80 marks · 3 hours · 27 questions (33 with the OR choices)

1 of its 33 questions has been set in other papers too (each one says where); the other 32 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 2 marks

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  3. Q5 2 marks

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Questions 6–15 · 3 marks each

  1. Q6(a) 3 marks

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    OR
    Q6(b) 3 marks

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  2. Q7 3 marks

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  3. Q8 3 marks

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  4. Q9(a) 3 marks

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    OR
    Q9(b) 3 marks

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  5. Q10 3 marks

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  6. Q11(a) 3 marks

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    OR
    Q11(b) 3 marks

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  7. Q12 3 marks

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  8. Q13 3 marks

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  9. Q14 3 marks

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  10. Q15 3 marks

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Questions 16–21 · 5 marks each

  1. Q16 5 marks

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  2. Q17(a) 5 marks

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    OR
    Q17(b) 5 marks

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  3. Q18 5 marks

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  4. Q19 5 marks

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  5. Q20(a) 5 marks

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    Q20(b) 5 marks

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  6. Q21 5 marks

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Questions 22–27 · 2 marks each

  1. Q22 2 marks

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  2. Q23 2 marks

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  3. Q24 2 marks

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  4. Q25 2 marks

    Also in 2017 · 31(B)/C (Q35)

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  5. Q26(a) 2 marks

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    Q26(b) 2 marks

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  6. Q27 2 marks

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Other 2018 papers

All CBSE Class 10 Science papers →