Exam 28: Green Algae and Land Plants

You want to get rid of your cough and stuffy nose, and a friend offers you a cup of tea. After you drink the tea, you realize that you are feeling relief from your symptoms. What plant compound was most likely found in the tea?

Which of the following is a land plant that has flagellated sperm and a sporophyte-dominated life cycle?

As you stroll through a moist forest, you are most likely to see a ________.

In plants, which of the following are produced by meiosis?

Some green algae exhibit alternation of generations. All land plants exhibit alternation of generations. No charophytes (stoneworts) exhibit alternation of generations. Keeping in mind the recent evidence from molecular systematics, the correct interpretation of these observations is that ________.

Which of the following is TRUE of the life cycle of mosses?

If humans had been present to build log structures during the Carboniferous period (though they were not!), which plant types would have been suitable sources of logs?

The functional role of sporopollenin is primarily to ________.

Which plant group is notable for the independence of gametophyte and sporophyte generations from each other?

Which of the following statements is TRUE of the pine life cycle?

Which of the following features of how seedless land plants get sperm to egg are the same as for some of their algal ancestors?

Why are seedless vascular plants considered paraphyletic rather than monophyletic?

Use the following information to answer the question(s) below. Harold and Kumar are pre-med and pre-pharmacy students, respectively. They complain to their biology professor that they should not have to study about plants because plants have little relevance to their chosen professions. -Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm?

Use the following information to answer the question(s) below. Harold and Kumar are pre-med and pre-pharmacy students, respectively. They complain to their biology professor that they should not have to study about plants because plants have little relevance to their chosen professions. -Which adaptations of land plants are likely to provide Harold with future patients? I. sporophyte dominance II. defenses against herbivory III. adaptations related to wind dispersal of pollen

Which of the following statements correctly describes a portion of the pine life cycle?

Which of the following should have had gene sequences most similar to the charophyte (stonewort) that was the common ancestor of land plants?

Archegonia ________.

Liverworts, hornworts, and mosses are grouped together as Bryophytes. Besides not having vascular tissue, what do they all have in common?

Researchers tested nitrogen loss from soil where the moss Dawsonia was growing and compared it to soil from which Dawsonia had been removed. The data are presented in the accompanying figure. -In the figure, which graph of soil nitrogen loss over time most strongly supports the hypothesis that if the 20-cm-tall Dawsonia acts as a physical buffer, then it reduces water's ability to erode the soil and carry away its nitrogen?