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Question
What was directly responsible for the rapid rise of world population in the twentieth century?
Options
Better education and jobs
Religious and social customs
Better healthcare
Increased food production
Solution
Better healthcare
Explanation:
Improved healthcare facilities reduce mortality rates and boost population growth.
RELATED QUESTIONS
Define the following:
Deforestation
Present human population growth is following arithmetic progression.
Name any two renewable resources for the mankind.
Petroleum is a resource of the same category as that of ______.
List any three consequences of high population density.
Match the terms given in column A with those in column B.
| Column A | Column B | ||
| (a) | Forest | (i) | Arithmetic progression |
| (b) | Food | (ii) | Geometric progression |
| (c) | Population | (iii) | Deforestation |
| (d) | Coal | (iv) | Afforestation |
| (e) | Flash floods | (v) | Renewable source of energy |
| (vi) | Non-renewable source of energy |
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Cutting down of forests : Deforestation :: Planting more trees : ______.
Define the following term:
Resources
Distinguish between the following pair:
Deforestation and Afforestation.
What do you mean by the 3Rs in the context of sustainable development?
