- 1(current)
Q. No.All the following are correct about the exponential growth of population except:
| 1. | It is represented by the equation dt/dN = rN |
| 2. | Resources in the habitat are unlimited |
| 3. | The rate of natural increase is represented by “r” |
| 4. | In 1981, the ‘r’ value for human population in India was 0.0205 |
Subtopic: Population: Exponential Growth Model | Population: Logistic Growth Model |
62%
Level 2: 60%+
Hints
The Verhulst – Pearl equation represents what type of population growth?
| 1. | Exponential | 2. | Logistic |
| 3. | Decline | 4. | Stable |
Subtopic: Population: Logistic Growth Model |
87%
Level 1: 80%+
Hints
In the logistic growth equation given below, the carrying capacity is represented by:
\(\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}-\mathrm{N}}{\mathrm{K}}\right)\)
| 1. | N | 2. | r |
| 3. | K | 4. | K – N / K |
Subtopic: Population: Logistic Growth Model |
91%
Level 1: 80%+
Hints
The growth rate of a natural population will exactly be zero when:
| 1. | The population size and carrying capacity are exactly equal. |
| 2. | The population size nears the carrying capacity of the habitat. |
| 3. | The ratio of population size and carrying capacity is zero. |
| 4. | Mortality is greater than natality. |
Subtopic: Population: Logistic Growth Model |
81%
Level 1: 80%+
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | The logistic growth model is more realistic for most animal populations in nature. |
| Reason (R): | Resources for growth for most animal populations are finite and become limiting sooner or later in the nature. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True but (R) does not explain (A). |
Subtopic: Population: Exponential Growth Model | Population: Logistic Growth Model |
90%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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