Exponential Growth Graph

Q.

The intrinsic rate of natural increase is a measure of the:

1. inherent potential of a population to grow

2. inherent potential of a population to decline

3. carrying capacity of the environment

4. None of these

Q.

Human population growth curve is a

1. S shaped curve

2. parabola curve

3. zig zag curve

4. J shaped curve

Q. Study the image given below related to the pattern of population growth. Identify A and B and choose the correct option.

1. A - dN/dt = rN, B - dN/dt = rN (K - N)/K
2. A - dN/dt = rN (K - N/K), A - dN/dt = rN
3. A - dN/dt = KN, B - dN/dt = rN (K - N/K)
4. A - dN/dt = rN (K - N/K), B - dN/dt = KN

Q.

In a population, if the rate of addition of new members is higher than the rate of individuals lost, it shows:

1. Exponential growth

2. Declined growth

3. Zero population growth

4. none of these

Q. In a habitat having limited food resource for geometric growth of a population, deceleration of density occurs once population reaches its maximum carrying capacity. This is best depicted by which of the following equations?

1. dN/dt = rtN
2. dN/dt = rN (N-K)/N
3. $\mathrm{dN}/\mathrm{dt}=\mathrm{rN}\left(\frac{K-N}{K}\right)$
4. dt/dN = rN (K-N)/K

Q. State true (T) or false (F) for the following statements and select the correct option.

A. Natality and immigration contribute to an increase in population density.
B. Growth pattern is logistic type if resources are limiting.

A B

1. T F
2. T T
3. F F
4. F T

Q. Study the image given below and identify the equation that correctly represents the curve shown in the diagram.

1. $\frac{dN}{dt}=rN$
2. $\frac{dN}{dt}=\frac{rN\left[\right(K-N)}{K}$
3. $\frac{dN}{dt}=KN$
4. $\frac{dN}{dt}=rN[K-(\frac{N}{K}\left)\right]$

Q.

Human population growth curve is a

1. S shaped curve

2. Parabola curve

3. J shaped curve

4. zig zag curve

Q.

what is intrinsic rate of natural increase or "r" ?

Q. In a population per capital birth rate is 0.15 and per capital death rate is 0.08 during a unit time period. What is the value of r (intrinsic rate of natural increase ) for the given population?

1. 0.23
2. 0.07
3. 0.05
4. 0.25

Q.

In a population, if the rate of addition of new members is higher than the rate of individuals lost, it shows:

1. Exponential growth

2. Declined growth

3. Zero population growth

4. none of these

Q.

In a population, if the rate of addition of new members is higher than the rate of individuals lost, it shows:

1. Exponential growth

2. Declined growth

3. Zero population growth

4. none of these

Q. In a population, the condition at which the rate of addition of new members is more than the rate of individuals lost, indicates

1. Fluctuating growth
2. Zero population growth
3. Exponential growth
4. None of the above
5. Declining growth

Q. Large gap between natality and mortality will result in

1. More old people in population
2. Less old persons in relation to children
3. Low dependency ratio
4. Prosperous country

Q.

Human population growth curve is a

1. S shaped curve

2. Parabola curve

3. J shaped curve

4. zig zag curve

Q.

The intrinsic rate of natural increase is a measure of the:

1. Birth rate - Death rate

2. Rate of population increase per capita

3. Carrying capacity of the environment

4. (Births - Deaths)/generation time

Q.

The intrinsic rate of natural increase is a measure of the:

1. Birth rate - Death rate

2. Rate of population increase per capita

3. Carrying capacity of the environment

4. (Births - Deaths)/generation time

Q. Assertion :Realised natality is always less than potential natality. Reason: Their ratio determines the normal growth rate of population.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

how does the increase or decrease in the value of r (intrinsic rate of natural increase) affect population size ?