Multiple choice

Which of the following statements are INCORRECT on ecological point of view? P. Primary succession involving xerosere is initiated in a wet habitat. Q. Halones commonly found in electronic equipment are one of the active force destroying the protective ozone layer in the stratosphere. R. Sympatric speciation occurs when the new species evolves in geographic isolation from the parent species. S. $\alpha$-Diversity is the diversity of species within a habitat or community.

  1. P, Q

  2. P, R

  3. Q, R

  4. Q, S

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement P is incorrect because primary succession via a xerosere starts in an extremely dry habitat, not a wet one. Statement R is incorrect because sympatric speciation occurs without geographic isolation, whereas allopatric speciation involves geographic isolation. Statements Q and S are correct descriptions of halons and alpha-diversity.