Q1. Which type of species interaction benefits one species while harming the other?A. MutualismB. CommensalismC. ParasitismD. Amensalism
Q2. Which of the following statements about population dispersion patterns is correct?A. Uniform dispersion is the most common in nature.B. Clumped dispersion occurs when resources are evenly distributed.C. Random dispersion occurs when individuals are neither attracted to nor repelled by one another.D. Species never show more than one type of dispersion pattern.
Q3. What is carrying capacity (K) in population ecology?A. Total population at a given timeB. Maximum population a habitat can supportC. Total number of births in a yearD. The ratio of males to females
Q4. Which type of population growth is represented by a sigmoid (S-shaped) curve?A. Exponential growthB. Logistic growthC. Arithmetic growthD. Geometric growth
Q5. Which of the following is an example of commensalism?A. Barnacles on a whaleB. Bee pollinating a flowerC. Lion hunting a zebraD. Mosquito biting a human
Q6. Which of the following statements about biotic potential is incorrect?A. Biotic potential is the maximum reproductive capacity of a population.B. It is always reached under natural conditions.C. Environmental resistance prevents populations from reaching biotic potential.D. r-selected species have a higher biotic potential than K-selected species.
Q8. Which species interaction is most important for pollination?A. PredationB. MutualismC. AmensalismD. Competition
Q9. Which of the following is a correct statement about predator-prey relationships?A. Predators always eliminate their prey completely.B. Prey populations are unaffected by predator numbers.C. Predator and prey populations often fluctuate in cycles.D. Predators only affect prey populations, but prey do not influence predator populations.
Q10. Which of the following factors directly affects population density?A. NatalityB. MortalityC. ImmigrationD. All of the above