| Which of the following factors result in population growth of an area? |
| I. Births alone |
| II. Deaths alone |
| III. Excess of births over deaths |
| IV. Immigration. |
A) I and II
B) II and III
C) III and IV
D) I and IV
Correct Answer: C
Solution :
Neither births alone nor deaths alone can lead to population growth. Population grows only when there is excess of births over deaths. Similarly, population growth takes place when people migrate from other areas.
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