Which statement best describes the influence of heredity on human intelligence?

Intelligence MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Intelligencepsychology-mcqs › intelligence
Published
26 Aug 2023
Last updated
28 May 2026

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Explanation

The correct answer is A because heredity can place an upper boundary on intelligence, meaning genetics may limit the highest level of intellectual ability achievable. Other options are incorrect since heredity does not necessarily set a lower limit, intelligence is not almost entirely genetic, and IQ similarities do not consistently favor maternal over paternal relatives.

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