MCQ
Which of the following organisms has a backbone?
- ASpider.
- BStarfish.
- ✓Snake.
- DSnail.
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S.No.
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Column$-I$
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S.No.
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Column$-II$
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$a.$
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Aquatic animals
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$1.$
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Sail boat
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$b.$
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Mountaineers
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$2.$
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Soot and dust
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$c.$
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Factories
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$3.$
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Oxygen cylinders
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$d.$
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Wind
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$4.$
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Dissolved oxygen
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Statement $1$
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The displacement of a body may be zero, though distance can be finite.
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Statement $2$
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If a body moves such that finally it arrives at initial point, then displacement is zero while distance is finite.
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Bar
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Part $P$
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Part $Q$
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$I$
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Pushed
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Pulled
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$II$
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Nothing happened
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Nothing happened
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$III$
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Pulled
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Pushed
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$IV$
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Pulled
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Pulled
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