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Science [1 Marks Each] M.C.Q.

Air Around Us · Gujarat Board (GSEB) STD 6 (GSEB - English Medium). 10 questions.

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[1 Marks Each] M.C.Q.

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10 questions · timed · auto-graded

MCQ 11 Mark
The main constituent of the air is.
  • ✓
     nitrogen
  • B
    oxygen
  • C
     carbon dioxide
  • D
     hydrogen
Answer
Correct option: A.
 nitrogen
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MCQ 21 Mark
The ratio of nitrogen to oxygen in the air is
  • A
    $0.044444444444444$
  • ✓
    $0.16736111111111$
  • C
    $0.12569444444444$
  • D
    $0.043055555555556$
Answer
Correct option: B.
$0.16736111111111$
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MCQ 31 Mark
Which is not a property of air?
  • A
    It occupies space.
  • B
     It is transparent,
  • C
    It is a solution.
  • ✓
     It is a compound.
Answer
Correct option: D.
 It is a compound.
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MCQ 41 Mark
Envelope of air that surrounds the earth is known as
  • A
    biosphere
  • ✓
    atmosphere
  • C
    environment
  • D
    ecosystem
Answer
Correct option: B.
atmosphere
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MCQ 51 Mark
Air is
  • ✓
    a mixture
  • B
    a pure substance
  • C
    an element
  • D
    anything, that depends on the place where it is found
Answer
Correct option: A.
a mixture
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MCQ 61 Mark
Air is present in
  • A
    atmosphere
  • B
    soil
  • C
    water of ponds, lakes and seas
  • ✓
    everywhere
Answer
Correct option: D.
everywhere
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MCQ 81 Mark
Which of the following gas we use in breathing?
  • A
    Carbon dioxide
  • B
    Nitrogen
  • ✓
    Oxygen
  • D
    None of these
Answer
Correct option: C.
Oxygen
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MCQ 91 Mark
Which of the following gas helps in burning? ,
  • A
     Nitrogen
  • ✓
    Oxygen
  • C
    Carbon dioxide
  • D
     Carbon monoxide
Answer
Correct option: B.
Oxygen
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MCQ 101 Mark
Major part of the air is constituted by
  • ✓
    nitrogen
  • B
    oxygen
  • C
    carbon dioxide
  • D
    inert gases
Answer
Correct option: A.
nitrogen
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[1 Marks Each] M.C.Q. - Science STD 6 Questions - Vidyadip