Q. No.| I. | Ramdeo Misra is revered as the Father of Ecology in India. |
| II. | Ecology studies the interactions among organisms and between the organism and its physical [abiotic] environment. |
| III. | The study of Ecology begins at cellular biological organisation level. |
| IV. | Ecology at the organism level is essentially physiological ecology. |
| 1. | Only I and II | 2. | All except III |
| 3. | Only II, III and III | 4. | I, II, III and IV |
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For the purpose of ecological studies, the term population is applicable to individuals reproducing:
| 1. | Asexually | 2. | Sexually |
| 3. | Both 1 and 2 | 4. | Neither 1 nor 2 |
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Unlike a population, an individual has:
| 1. | Birth and death | 2. | Birth rate |
| 3. | Death rate | 4. | Sex ratio |
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| Assertion (A): | Population ecology links ecology to population genetics and evolution. |
| Reason (R): | It is at the population level that natural selection operates to evolve the desired traits. |
| 1. | Both (A) and (R) are true and (R) explains (A). |
| 2. | Both (A) and (R) are true but (R) does not explain (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
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In a pond, there were 20 lotus plants last year. If through reproduction 4 new lotus plants are added, the number of offspring per lotus per year would be:
| 1. | 0.2 | 2. | 0.4 |
| 3. | 2.0 | 4. | 4.0 |
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The given age pyramid represents a:
| 1. | Fast expanding population | 2. | Slowly expanding population |
| 3. | Stable population | 4. | Declining population |
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Carefully observe the shape of the age-sex population pyramid for four countries. Which of them most likely represents the pyramid for Indian population?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
A population with a population pyramid that has an extremely broad base will most likely be:
| 1. | a rapidly expanding population |
| 2. | a stable population |
| 3. | a population where the birth rate equaled the death rate |
| 4. | a population where there were more old than young individuals |
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The tiger census in our national parks and tiger reserves is often based on:
| 1. | Pug marks | 2. | Cub count |
| 3. | Area allocation | 4. | Collar position |
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| I. | The ecological role of the banyan tree in this community is negligible when compared to that of carrot grass. |
| II. | In this community, the percent cover or biomass is a more meaningful measure of the population size. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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