Biology Exam 1 2025 Questions and Answers 100% Pass

Biology Exam 1 2025 Questions and Answers 100% Pass Which of the following was derived from an ancestral cyanobacterium? A) mitochondrion B) chloroplast C) hydrogenosome D) mitosome E) Two of the responses above are correct. - B The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence? A) red algae → brown algae → green algae → land plants B) cyanobacteria → red algae → green algae → land plants C) cyanobacteria → green algae → land plants D) cyanobacteria → green algae → fungi → land plants - C The chloroplasts of all of the following are thought to be derived from ancestral red algae, except those of 2COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED A) green algae. B) diatoms. C) brown algae. D) golden algae. E) dinoflagellates. - A A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group? A) red algae B) golden algae C) dinoflagellates D) green algae E) brown algae - A Green algae differ from land plants in that many green algae A) are heterotrophs. B) have alternation of generations. C) have cell walls containing cellulose. D) have plastids. E) are unicellular. - E 3COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED If the Archaeplastidae are eventually designated a kingdom, and if land plants are excluded from this kingdom, then what will be true of this new kingdom? A) It will be polyphyletic. B) It will be a true clade. C) It will be paraphyletic. D) It will be monophyletic. E) It will more accurately depict evolutionary relationships than does the current taxonomy. - C Plastids that are surrounded by more than two membranes are evidence of A) fusion of plastids. B) secondary endosymbiosis. C) budding of the plastids from the nuclear envelope. D) origin of the plastids from archaea. E) evolution from mitochondria. - B Which protists are in the same eukaryotic supergroup as land plants? A) red algae B) both red algae and green algae C) green algae D) brown algae 4COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED E) dinoflagellates - B In life cycles with an alternation of generations, multicellular haploid forms alternate with A) multicellular diploid forms. B) unicellular haploid forms. C) multicellular haploid forms. D) multicellular polyploid forms. E) unicellular diploid forms. - A Select the correct statement about photosynthesis by