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Question
What was directly responsible for the rapid rise of world population in the twentienth century?
Options
Increased food production
Better transport facilities
Better education and job prospects
Use of antibiotics and prophylactic vaccinations
Solution
Use of antibiotics and prophylactic vaccinations
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RELATED QUESTIONS
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| No | Column A | Column B |
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| Birth rate | Hyperglycemia | |
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the biological/technical terms for the number of persons living per square kilometre at any given time.
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Given below are hypothetical figures in regard to population (in crores) of two countries A and B during the last three decades.
|
Country |
1971 |
1981 |
1991 |
|
A |
6.4 |
9.6 |
10.6 |
|
B |
15.7 |
15.7 |
15.3 |
Fill in the blanks :
The country _________ shows zero population growth between years __________ and __________.
