| 1. | Total number of individuals in a population |
| 2. | Per capita availability of resources |
| 3. | Intrinsic rate of natural increase |
| 4. | Total birth and death rates combined |
Which of the following is the correct equation of exponential growth?
1. \(N_t = N_0 ~e^{rnt}\)
2. \(N_t = N_0 ~e^{rpt}\)
3. \(N_t = N_0 ~e^{rst}\)
4. \(N_t = N_0 ~e^{rt}\)
| List-I | List-II | ||
| A. | Logistic growth | I. | Unlimited resource availability condition |
| B. | Exponential growth | II. | Limited resource availability condition |
| C. | Expanding age pyramid | III. | The percent individuals of pre-reproductive age is largest followed by reproductive and post reproductive age groups |
| D. | Stable age pyramid | IV. | The percent individuals of pre-reproductives and reproductive age group are same |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | II | I | III | IV |
| 3. | II | III | I | IV |
| 4. | II | IV | I | III |
| Assertion (A): | When resources in the habitat are unlimited, the population grows in an exponential or geometric fashion. |
| Reason (R): | When resources in the habitat are unlimited, each species has the ability to realise its innate potential fully and grow in number. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is True |
| 1. | 'a' represents exponential growth when responses are not limiting the growth; and 'b' represents logistic growth when responses are limiting the growth. |
| 2. | 'a' represents logistic growth when responses are not limiting the growth; 'b' represents exponential growth when responses are limiting the growth. |
| 3. | 'a' represents carrying capacity and 'b' shows logistic growth when responses are limiting the growth. |
| 4. | 'a' represents exponential growth when responses are not limiting the growth and 'b' shows carrying capacity. |