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प्रश्न
List any three consequences of high population density.
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उत्तर
- Natural resources like land minerals, wood fuel, etc., will decrease.
- Decrease in per capita income.
- General health and overall quality of life will go down.
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संबंधित प्रश्न
Present human population growth is following arithmetic progression.
Explain briefly the idea contained in the following statement. There will be increasing dependence on sources of energy other than coal and petroleum in the future.
Name any two renewable resources for the mankind.
What was directly responsible for the rapid rise of world population in the twentieth century?
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:
Conventional and Non-conventional sources of energy.
