26
practice examMultiple Choice

Practice Exam

Question 26 • TPS EdX Biology

Which two statements correctly describe the life cycles of mosses and angiosperms? I. Both life cycles have protected seeds. II. Both life cycles involve meiosis. III. Moss fertilization occurs in the air; angiosperm fertilization occurs in a pool of water. IV. Mosses release haploid spores into the surrounding environment; angiosperms release haploid pollen grains into the surrounding environment.

Answer
A
I and III
B
I and IV
C
II and III
D
II and IV

Explanation

Both mosses and angiosperms use meiosis to produce haploid cells. Mosses release haploid spores, while angiosperms release haploid pollen grains, so statements II and IV are correct. Statement I is false because mosses do not make seeds, and statement III reverses where fertilization takes place: moss sperm need water to reach the egg, while angiosperm fertilization does not occur in a pool of water.

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