Assertion (A): People living in temperate zones usually have a lighter skin colour than those living in the tropical zone.
Reason (R): The skin produces a greater amount of melanin on greater exposure to sunlight.
A
Both A and R are true but R is not the correct explanation of A.
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B
A is true but R is false.
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C
Both A and R are true and R is the correct explanation of A.
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D
A is false but R is true.
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Solution
The correct option is C Both A and R are true and R is the correct explanation of A. The correct answer is option A.