| 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 |
Consider the following statements (A)-(D) each with one or two blanks:
| (A) | Bears go into ________ (1) _ during winter to ________ (2) _ cold weather. |
| (B) | A conical age pyramid with a broad base represents _________ (3) human population. |
| (C) | A wasp pollinating a fig flower is an example of ________ (4) _ . |
| (D) | An area with high levels of species richness is known as _________ (5) . |
Which of the following options, gives the correct fill-ups for the respective blank numbers from(1) to (5) in the statements?
| 1. | (1) - hibernation, (2) - escape, (3) - expanding, (5) - hot spot |
| 2. | (3) - stable, (4) - commensalism, (5) - marsh |
| 3. | (1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism |
| 4. | (3) - expanding, (4) - commensalism, (5) - biodiversity park |
In a growing population of a country:
| 1. | pre-reproductive individuals are more than reproductive individuals. |
| 2. | reproductive individuals are less than post-reproductive individuals. |
| 3. | reproductive and pre-reproductive individuals are equal in number. |
| 4. | pre-reproductive individuals are less than reproductive individuals. |
What is correctly explained using the given age pyramid?
1. A stable population, where post reproductive individuals are minimum
2. A growing population, where young individuals are maximum
3. A declining population, where post reproductive individuals are maximum
4. A population showing negative growth
What type of human population is represented by the following age pyramid?
1. Expanding population
2. Vanishing population
3. Stable population
4. Declining population