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 |
I: | the level of biological organization, where the study is begun, is the organism. |
II: | a group of individuals resulting from asexual reproduction is also considered a population. |
Statement I: | An individual may have births and deaths, but a population has birth rates and death rates. |
Statement II: | An individual is either a male or a female but a population has a sex ratio. |
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 |
1. | 8 offspring per lotus per year |
2. | 12 offspring per lotus per year |
3. | 0.8 offspring per lotus per year |
4. | 0.4 offspring per lotus per year |
1. | Birth | 2. | Death |
3. | Sex | 4. | Sex ratio |
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 |