Igcse Model Questions Vol1 2025 Biology Question 24

Practice objective / multiple choice question 24 from the 2025 Igcse Model Questions Vol1 Biology examination.

Igcse Model Questions Vol1 2025 Biology Objective / Multiple Choice Hard Difficulty
Question 24 IGCSE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • objective

A rabbit population follows the logistic growth model \(N(t)=\dfrac{K}{1+\left(\dfrac{K-N_{0}}{N_{0}}\right)e^{-rt}}\) where \(K=2000\) individuals, intrinsic rate \(r=0.8\) month⁻¹ and initial size \(N_{0}=200\). Estimate the time (in months) required for the population to reach 1500 individuals. Give your answer to one decimal place.

Answer Options

A. 2.8 months (approximately)
B. 3.2 months (approximately)
Correct Answer C. 4.1 months (approximately)
D. 5.6 months (approximately)
Correct Answer
C
Correct Option:
4.1 months (approximately)

About This Question

This is Igcse Model Questions Vol1 2025 Biology Question 24. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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