CUET UG · Biology / Biological Studies (Domain)
Organisms & Populations
Ecology basics, population attributes, growth models, population interactions.
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Take a full mock →Q1 · Organisms & Populations · MEDIUM
In a population exhibiting exponential growth, if the intrinsic rate of natural increase (r) is 0.05 per year and the initial population size is 1000 individuals, what will be the approximate population size after 2 years?
Q2 · Organisms & Populations · EASY
Which of the following population interactions is represented when a sea anemone is attached to the shell of a hermit crab, where the anemone gets transported to new feeding grounds while the crab is protected from predators?
Q3 · Organisms & Populations · MEDIUM
A population of deer in a forest shows the following characteristics: birth rate = 120 per year, death rate = 80 per year, immigration = 30 per year, and emigration = 20 per year. If the current population size is 500 individuals, what will be the population size after one year?
Q4 · Organisms & Populations · HARD
In logistic growth model, when a population reaches its carrying capacity (K), which of the following statements is correct regarding the growth rate?
Q5 · Organisms & Populations · EASY
Which type of population interaction is represented when one species benefits while the other is harmed?