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GATE 2025 XH5 (Psychology) – Question 45

Development Across the Life Span · Moral Development and Theories of Aging · 2 marks · Multiple choice

Match the following theories of ageing.

Column IColumn II
PCellular-Clock TheoryiOxygen molecule with unstable electron
QWear-and-Tear TheoryiiElderly person who remain active in some way adjust more positively to ageing
RFree-radical TheoryiiiCells are limited in number of times they can reproduce to repair damage
SActivity TheoryivBody organs and cell tissues wear out with repeated use and abuse
  1. P-ii; Q-iv; R-i; S-iii
  2. P-iv; Q-i; R-iii; S-ii
  3. P-iii; Q-ii; R-i; S-iv
  4. P-iii; Q-iv; R-i; S-ii

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Correct answer: (D) P-iii; Q-iv; R-i; S-ii

Explanation

The cellular-clock theory says cells can divide only a limited number of times (iii). The wear-and-tear theory says organs and tissues wear out with use (iv). The free-radical theory points to unstable oxygen molecules that damage cells (i). The activity theory says that active elderly people adjust better (ii).