Population Of animal Biology MCQs January 8, 2026March 13, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. . What is population biology? (A) The study of individual organisms (B) The study of communities of organisms (C) The study of interactions between organisms and their environment (D) The study of groups of individuals of the same species in a particular area 2. . What is a population? (A) A group of organisms of different species living together (B) A group of organisms sharing the same habitat (C) A group of organisms that can interbreed (D) A group of organisms with similar characteristics 3. . What is population density? (A) The total number of individuals in a population (B) The number of different species in a habitat (C) The number of individuals per unit area or volume (D) The number of individuals per trophic level 4. . Which of the following factors does not influence population density? (A) Birth rate (B) Death rate (C) Immigration rate (D) Habitat type 5. . What is population dispersion? (A) The movement of individuals out of a population (B) The pattern of spacing among individuals within a population (C) The seasonal fluctuations in population size (D) The total area covered by a population 6. . Which of the following is a type of population dispersion? (A) Uniform dispersion (B) Constant dispersion (C) Random dispersion (D) Linear dispersion 7. . What is the term for the maximum number of individuals of a species that an environment can support indefinitely? (A) Carrying capacity (B) Population density (C) Population growth rate (D) Environmental resistance 8. . Which of the following is not a density-dependent factor affecting population size? (A) Competition for resources (B) Predation (C) Disease outbreaks (D) Natural disasters 9. . What is a survivorship curve? (A) A graph showing the number of individuals of each age in a population (B) A graph showing the birth rate of a population over time (C) A graph showing the death rate of a population over time (D) A graph showing the proportion of individuals surviving to different ages 10. . Which of the following is characteristic of a Type I survivorship curve? (A) High mortality rate early in life (B) Constant mortality rate throughout life (C) High mortality rate later in life (D) Low mortality rate at all ages 11. . Which of the following is characteristic of a Type II survivorship curve? (A) High mortality rate early in life (B) Constant mortality rate throughout life (C) High mortality rate later in life (D) Low mortality rate at all ages 12. . Which of the following is characteristic of a Type III survivorship curve? (A) High mortality rate early in life (B) Constant mortality rate throughout life (C) High mortality rate later in life (D) Low mortality rate at all ages 13. . What is population growth rate? (A) The rate at which individuals immigrate into a population (B) The rate at which individuals emigrate out of a population (C) The rate at which a population increases or decreases in size over time (D) The rate at which individuals are born in a population 14. . Which of the following is not a factor influencing population growth rate? (A) Birth rate (B) Death rate (C) Immigration rate (D) Habitat destruction 15. . What is exponential growth? (A) Growth that occurs when resources are limited (B) Growth that occurs when the birth rate exceeds the death rate (C) Growth that occurs at a constant rate over time (D) Growth that occurs when individuals reproduce at a constant rate 16. . Which of the following is a characteristic of exponential growth? (A) The population size remains constant over time (B) The population size increases rapidly over time (C) The population size decreases rapidly over time (D) The population size fluctuates randomly over time 17. . What is logistic growth? (A) Growth that occurs when resources are limited (B) Growth that occurs when the birth rate exceeds the death rate (C) Growth that occurs at a constant rate over time (D) Growth that occurs when individuals reproduce at a constant rate 18. . Which of the following is a characteristic of logistic growth? (A) The population size remains constant over time (B) The population size increases rapidly over time (C) The population size decreases rapidly over time (D) The population size reaches a stable equilibrium over time 19. . What is the term for the maximum population size that can be sustained by an environment? (A) Carrying capacity (B) Population density (C) Population growth rate (D) Environmental resistance 20. . Which of the following is true regarding a population at carrying capacity? (A) Birth rate exceeds death rate (B) Death rate exceeds birth rate (C) Birth rate equals death rate (D) Birth rate and death rate fluctuate