NEET Solved Paper 2016 Question 65
Question: When does the growth rate of a population following the logistic model equal zero? The logistic model is given as $ dN/dt=rN(1-N/K) $ :
Options:
A) When $ N/K $ is exactly one
B) When $ N $ nears the carrying capacity of the habitat
C) When $ N/K $ equals zero
D) When death rate is greater than birth rate
Show Answer
Answer:
Correct Answer: A
Solution:
- $ \frac{dN}{dt}=rN( 1-\frac{N}{K} ) $ $ \frac{dN}{dt}=rN(1-1)=0 $