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Question
Assertion (A): Children from disadvantaged homes, when adopted into families with higher socio-economic status, exhibit a large increase in their intelligence scores.
Reason (R): Environmental deprivation lowers intelligence while rich nutrition, good family background and quality of schooling increases intelligence.
Options
Both Assertion (A) and Reason (R) are true, and Reason (R) is correct explanation of Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
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Solution
Both Assertion (A) and Reason (R) are true, and Reason (R) is correct explanation of Assertion (A).
Explanation:
Both hereditary and environmental variables affect intelligence. Studies suggest that poor children's IQ scores rise significantly in enriched surroundings (better socio-economic situations, quality education, and decent nutrition). Environmental disadvantage (undereducation, poor nutrition, and ill families) can harm cognitive development. Thus, the Reason (R) accurately explains the Assertion (A) by emphasizing the importance of a stimulating and supportive environment for intelligence.
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