Organisms and Populations questions
349 published questions with worked solutions.
- On the rocky sea coasts of Scotland, the larger and competitively superior barnacle Balanus dominates the intertidal areas and...
- Level of competition between species depends on
- Gause's principle of competitive exclusion states that
- Species facing competition might evolve mechanism that promotes coexistence rather than exclusion. One such mechanism is
- An interaction in which one organism is benefitted and other is unaffected
- Between which among the following, the relationship is not an example of commensalism?
- The plant-animal interaction often involve coevolution of the mutualists, so that
- Under normal conditions positive growth or rapid increase in the population is indicated by
- Zero growth of population is indicated by
- In some cases, population density is measured in terms of biomass rather than in terms of number because
- Read the following statements. 1. In a population, birth rate and death rate refer to per capita births and deaths, respectively....
- Which of the following statements regarding species interdependence are true?
- Which of the following would necessarily decrease the density of a population in a given habitat?
- If a population of 50 Paramecium present in a pool increases to 150 after an hour, what would be the growth rate of population?
- What would be the per cent growth or birth rate per individual per hour for the same population mentioned in the previous...
- A population has more young individuals compared to the older individuals. What would be the status of the population after some...
- The principle of competitive exclusion was stated by
- A population growing in a habitat with limited resources shows four phases of growth in following sequence.
- Which one of the following is NOT an example of commensalism? [MHTCET 2023]
- One of the following is a positive interaction in a population. [MHT CET 2016]
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