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प्रश्न
What was directly responsible for the rapid rise of world population in the twentienth century?
पर्याय
Increased food production
Better transport facilities
Better education and job prospects
Use of antibiotics and prophylactic vaccinations
उत्तर
Use of antibiotics and prophylactic vaccinations
APPEARS IN
संबंधित प्रश्न
Match the items given in Column A with the most appropriate ones in Column B and rewrite the correct matching pairs.
| No | Column A | Column B |
| Sacculus | dynamic body balance | |
| Birth rate | Hyperglycemia | |
| DNA and histomes | Hypoglycemia | |
| Euro norms | Natality | |
| Diabetes mellitus | static body balance | |
| vehicular standards | ||
| nucleosome |
Demography and Population density [Definition]
the biological/technical terms for the number of persons living per square kilometre at any given time.
Explain Natality.
Give biological explanations for Education is very important for population control.
Give the technical term for the statistical study of human population of a region.
Define the terms Death rate.
Define the terms Rate of growth of population.
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 negative population growth between years __________ and ___________.
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 __________.
