Numerical: Population Growth
Mediumbiology
A population of 500 grows to 620 in one year. What is the annual growth rate (%)?
Select the correct option:
Solution
Incorrect! Answer:
24%
- Define Growth Rate: The percentage change in population size over a period of time.
- Formula:
- Growth Rate (%)=InitialFinal − Initial×100
- Calculation:
- Change in size=620−500=120.
- Growth Rate=500120×100
- Growth Rate=5120%=24%.
- Conclusion: The population increased by 24% during that year.
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About This Question
- Subject
- biology
- Chapter
- ecology and environment
- Topic
- numerical: population growth
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
24%
- Define Growth Rate: The percentage change in population size over a period of time.
- Formula:
- Growth Rate (%)=InitialFinal − Initial×100
- Calculation:
- Change in size=620−500=120.
- Growth Rate=500120×100
- Growth Rate=5120%=24%.
- Conclusion: The population increased by 24% during that year.
This medium difficulty biology question is from the chapter ecology and environment, covering the topic of numerical: population growth. It appeared in the 2025 exam.
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