28. The World’s Population - World History: Modern

📖 From World History: Modern • 191 questions available

Practice MCQs for 28. The World’s Population. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-25

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📝 Sample Questions

Q1. If a region reduces its annual growth from \(3\%\) to \(1\%\), how many years does the doubling time increase, using the rule of 70?

🔹 A. From \(23\) to \(70\) years, an increase of \(47\) years

🔹 B. From \(23\) to \(70\) years, an increase of \(30\) years

🔹 C. From \(23\) to \(70\) years, an increase of \(70\) years

🔹 D. FROM \(23\) TO \(70\) YEARS, AN INCREASE OF \(23\) YEARS

💡 Difficulty: easy | ✅ Correct: A

Q2. What primary factor caused the global “population explosion” after 1960?

🔹 A. Improved agricultural yields

🔹 B. A sharp decline in mortality rates

🔹 C. A sudden rise in fertility rates

🔹 D. Mass international migration

💡 Difficulty: medium | ✅ Correct: B

Q3. A policy analyst argues that increasing contraceptive use from 35 % to 55 % will reduce a region's birth‑rate by \(1.2\%\) over five years. If the current birth‑rate is \(4.5\%\), what will it be after five years?

🔹 A. \(3.3\%\)

🔹 B. \(3.0\%\)

🔹 C. \(2.5\%\)

🔹 D. \(4.0\%\)

💡 Difficulty: hard | ✅ Correct: A

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