MCQ
Which of the following is a prey?
- ALion.
- BTiger.
- ✓Deer.
- DPolar bear.
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S.No.
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Column-$I$
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Column-$II$
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$A.$
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Burning of carbon in air to produce carbon dioxide.
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$(p)$
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Endothermic change.
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$B.$
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Melting of wax.
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$(q)$
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Exothermic change.
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$C.$
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A change accompanied by absorption of heat.
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$(r)$
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Physical change.
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$D.$
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A change accompanied by evolution of heat.
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$(s)$
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Chemical change.
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S.No.
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Column $I$
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Column $II$
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$P$
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Digestion of food in our body.
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$(i)$
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Fast change.
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$Q$
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Earthquake.
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$(ii)$
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Natural, desirable change.
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$R$
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Falling of stone.
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$(iii)$
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Natural, undesirable change.
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$S$
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Change of seasons.
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$(iv)$
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Slow change.
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