Question
State two differences between a convex and a concave lens.

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Column $I$
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Column $II$
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$(a)$
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Butterfly
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$(i)$
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lungs
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$(b)$
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Earthwarms
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$(ii)$
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gills
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$(c)$
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Sparrow
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$(iii)$
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spiracles
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$(d)$
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Fish
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$(iv)$
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skin
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Column $I$
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Column $II$
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$(a)$
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Red-eyed frog
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$(i)$
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Very sensitive hearing
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$(b)$
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Penguin
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$(ii)$
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Stremlined body
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$(c)$
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Tiger
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$(iii)$
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Silver-white mane
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$(d)$
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Lion-tailed macaque
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$(iv)$
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Sticky pads on free
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