Which one of the following is incorrect?

Question

Which one of the following is incorrect? (A) Biological control methods adopted in agricultural pest control are based on the ability of the predator to regulate prey population (B) Predators also help in maintaining species diversity in a community by increasing the intensity of competition among competing prey species (C) In the rocky intertidal communities of the American Pacific Coast the starfish pisaster is an important predator (D) In a field experiment, when all the starfish were removed from an enclosed intertidal area, more than 10 species of invertebrates became extinct within a year, because of interspecific competition

Tardigrade Admin · Accepted Answer

Correct answer is (b) Predators also help in maintaining species diversity in a community by increasing the intensity of competition among competing prey species

Q. Which one of the following is incorrect?

Biological control methods adopted in agricultural pest control are based on the ability of the predator to regulate prey population

Predators also help in maintaining species diversity in a community by increasing the intensity of competition among competing prey species

In the rocky intertidal communities of the American Pacific Coast the starfish pisaster is an important predator

In a field experiment, when all the starfish were removed from an enclosed intertidal area, more than $10$ species of invertebrates became extinct within a year, because of interspecific competition

Correct answer is (b) Predators also help in maintaining species diversity in a community by increasing the intensity of competition among competing prey species