Logistic Growth Equation

Q.

When the population size (N) approaches the carrying capacity (K). The value of dN/dt approaches

1. prey

2. predator

3. moth

4. both b and c

Q. Which of the following equations relating to logistic population growth is correct?

1. 
2. 
3. 
4. 

Q. In a population that exhibits logistic growth, increment in the population size at each point in time is calculated by the formula $\frac{dN}{dt}=rN\left(\frac{K-N}{K}\right)$.

1. True
2. False

Q. When does the growth rate of a population following the logistic model equal zero? The logistic model is given as $\frac{DN}{dt}$ $=rN(1-\frac{N}{K})$

1. When $\frac{N}{K}$ is exactly one
2. When N nears the carrying capacity of the habitat
3. When death rate is greater than birth rate
4. When $\frac{N}{K}$ equals zero

Q. A population of bacteria is growing initially in a lag phase, followed by phases of acceleration and decerelation and finally an sationary phase. Which of the following equation describes this type of population growth?

1. $\frac{dN}{dt}=rN$
2. $N_t=N_0{e}^{rt}$
3. $r=b-d$
4. $\frac{dN}{dt}=rN\left(\frac{K-N}{K}\right)$

Q. Which growth represents the following given equation?
$\frac{dN}{dt}=rN\left(\frac{K-N}{K}\right)$

1. Log growth
2. Logistic growth
3. Exponential growth
4. Linear growth

Q.

With the help of suitable diagram describe the logistic population growth curve.

Q.

When the population size (N) approaches the carrying capacity (K). The value of dN/dt approaches

1. 1

2. infinity

3. K

4. 0

Q. When does the growth rate of a population following the logistic model equal zero? The logistic model is given as $\frac{DN}{dt}$ $=rN(1-\frac{N}{K})$

1. When $\frac{N}{K}$ is exactly one
2. When N nears the carrying capacity of the habitat
3. When $\frac{N}{K}$ equals zero
4. When death rate is greater than birth rate

Q. A population of bacteria is growing initially in a lag phase, followed by phases of acceleration and decerelation and finally an sationary phase. Which of the following equation describes this type of population growth?

1. $\frac{dN}{dt}=rN$
2. $N_t=N_0{e}^{rt}$
3. $r=b-d$
4. $\frac{dN}{dt}=rN\left(\frac{K-N}{K}\right)$