BIOL 117 EXAM 3 PRACTICE QUESTIONS WITH DETAILED EXPLANATIONS 2026

BIOL 117 EXAM 3 PRACTICE QUESTIONS WITH
DETAILED EXPLANATIONS 2026

◉ Are all plants eukaryotic?
Answer: Yes, all plants are eukaryotic.


◉ What are plant cell walls made of?
Answer: Cellulose


◉ In what molecule do plants store energy?
Answer: Starch


◉ Are plants monophyletic? What is their MRCA?
Answer: Yes; green algae (charophytes)


◉ What are the major taxa of land plants?
Answer: Bryophytes, seedless vascular plants, gymnosperms,
angiosperms


◉ Which plant groups are seedless?
Answer: Bryophytes and seedless vascular plants

,◉ Which plant group produces fruit?
Answer: Angiosperms


◉ Which plant groups produce pollen?
Answer: Gymnosperms and angiosperms


◉ Which plant groups produce spores?
Answer: Bryophytes and seedless vascular plants


◉ What is the function of the cuticle?
Answer: Prevents water loss


◉ What is the function of stomata?
Answer: Regulate gas exchange and water loss


◉ What is the function of water-conducting cells?
Answer: Transport water and provide support


◉ What is the function of gametangia?
Answer: Protect gametes and embryo

, ◉ What does it mean to be an embryophyte?
Answer: Embryo is retained and nourished


◉ What is alternation of generations?
Answer: Life cycle with haploid gametophyte and diploid sporophyte
stages


◉ Is a gametophyte haploid or diploid?
Answer: Haploid


◉ Does a gametophyte produce gametes or spores?
Answer: Gametes


◉ What process creates gametes?
Answer: Mitosis


◉ Is a sporophyte haploid or diploid?
Answer: Diploid


◉ Does a sporophyte produce gametes or spores?
Answer: Spores