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प्रश्न
What was directly responsible for the rapid rise of world population in the twentieth century?
पर्याय
Better education and jobs
Religious and social customs
Better healthcare
Increased food production
उत्तर
Better healthcare
Explanation:
Improved healthcare facilities reduce mortality rates and boost population growth.
संबंधित प्रश्न
Present human population growth is following arithmetic progression.
Name any two Non-renewable resources of energy.
Coal and iron are inexhaustible resources.
List any three consequences of high population density.
Which of the following is not a non-conventional source of energy?
Which of the following is an exhaustible source of energy?
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 : ______.
Distinguish between the following pair:
Exhaustible and Inexhaustible resources.
Distinguish between the following pair:
Deforestation and Afforestation.
