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Q.Which one of the following is the characteristic of 'Phase-III' of population growth in India ? (A) High female literacy and declining population (B) Improvisation in medical facilities and living conditions (C) Great Economic Depression and effects of World War II (D) Low population growth and low net increase

CBSECBSE Class XII Board 2025MCQ· 1mImportance★★★★★
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Phase-III of India’s population growth (1951–1981) is defined by a sharp drop in death rates due to better healthcare and living conditions, while birth rates remained high — leading to rapid population increase. The correct characteristic is improvisation in medical facilities and living conditions.

The question asks about the demographic transition in India. Population growth doesn’t happen in a straight line — it passes through distinct stages as a country develops. India’s demographic history is usually divided into four phases, and Phase-III (1951–1981) is the most dramatic.

The key idea: In Phase-III, death rates fell steeply because of better medical care, control of epidemics, and improved sanitation. But birth rates stayed high because people’s habits and social norms hadn’t changed yet. The result? A huge gap between births and deaths — the population exploded. This is the classic “population explosion” phase.

Let’s walk through the phases to see why only one option fits.

  1. Phase-I (before 1921): Stagnant growth. Both birth and death rates were very high. Population grew very slowly, sometimes even declining during famines or epidemics. This was a pre-modern, high-mortality, high-fertility stage.

  2. Phase-II (1921–1951): Slow but steady growth. Death rates began to fall slightly, but birth rates remained high. Population growth picked up a little. This period also included the Great Economic Depression and World War II — but those events slowed growth, they didn’t define Phase-III.

  3. Phase-III (1951–1981): Rapid growth — the population explosion. After independence, India invested heavily in public health. Malaria was controlled, smallpox was eradicated, hospitals expanded, and life expectancy rose from about 32 years (1951) to 54 years (1981). Death rates crashed from around 27 per 1000 to about 12 per 1000. But birth rates only fell from about 40 to 34 per 1000 — still very high. The natural increase (births minus deaths) soared. This is exactly what option (B) describes: “Improvisation in medical facilities and living conditions.” …

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