Consider the four statements (a-d) about the phenomenon of industrial melanism in England and select the option which includes incorrect statements only.
(a) Before industrialization white winged moths were more than dark winged moths.
(b) After industrialization dark winged moths were more than white winged moths.
(c) Predators can’t spot a moth against a contrasting background.
(d) Dark winged moths survived due to thick growth of white coloured lichen on trees.

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Statements (b) and (c)

Statements (a) and (c)

Statements (c) and (d)

Statements (a) and (b)

answer is D.

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Detailed Solution

Predators spot the prey easily in a contrasting background. Predators spotted white moths easily when they sat on soot covered tree trunks. Dark winged moths survived due to soot covered tree trunks. They had the advantage of camouflage unlike white winged moths.

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