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Population - The increasing numbers and rising problems — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyPopulation - The increasing numbers and rising problems1 Mark
MCQ
Positive growth of population occurs when:
  • ✓
    birth rate is more than the death rate.
  • B
    birth rate falls below the death rate.
  • C
    people migrate to other countries.
  • D
    when both birth rate and death rate are same.
✓

Answer

Correct option: A.
birth rate is more than the death rate.
(a) birth rate is more than the death rate.
Explanation:
Positive Growth of Population: This happens when the birth rate is more than the death rate between two points of time or when people from other countries migrate permanently to a region.
Negative Growth of Population: If the population decreases between two points of time it is known as negative growth of population. It occurs when the birth rate falls below the death rate or people migrate to other countries.

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