GCU BIO 182 EXAM 2 WITH QUESTIONS
AND 100% CORRECT ANSWERS|
VERIFIED BY EXPERT| NEWLY
UPDATED 2025| WITH A+ GUARANTEED.
Green Algae
Q: What are the closest relatives of land plants called?
A: Charophytes ✔✔
Q: Which four key traits do land plants share only with charophytes?
A:
• Rings of cellulose-synthesizing complexes
• Peroxisome enzymes
• Structure of flagellated sperm
• Formation of a phragmoplast ✔✔
Sporopollenin
Q: What durable polymer in charophytes prevents exposed zygotes from drying out?
A: Sporopollenin ✔✔
Q: Where else is sporopollenin found besides charophytes?
A: In plant spore walls ✔✔
Q: What four key traits appear in nearly all land plants but are absent in charophytes?
A:
• Alternation of generations and multicellular, dependent embryos
• Walled spores produced in sporangia
• Multicellular gametangia
• Apical meristems ✔✔
,Alternation of Generations
Q: What is the reproductive cycle called in which plants alternate between two multicellular
stages?
A: Alternation of generations ✔✔
Gametophyte
Q: Which stage is haploid and produces haploid gametes by mitosis?
A: Gametophyte ✔✔
Placental transfer cells
Q: Through what are nutrients transferred from parent to embryo?
A: Placental transfer cells ✔✔
Embryophytes
Q: Why are land plants called embryophytes?
A: Because of the dependency of the embryo on the parent ✔✔
Sporangia
Q: What organs produce spores in the sporophyte?
A: Sporangia ✔✔
Sporocytes
Q: What diploid cells undergo meiosis to generate haploid spores?
A: Sporocytes ✔✔
Sporopollenin
, Q: What makes spore walls resistant to harsh environments?
A: Sporopollenin ✔✔
Gametangia
Q: Within what organs are gametes produced?
A: Gametangia ✔✔
Archegonia
Q: What are the female gametangia called that produce eggs and are the site of fertilization?
A: Archegonia ✔✔
Antheridia
Q: What are the male gametangia called that produce and release sperm?
A: Antheridia ✔✔
Apical meristems
Q: Where do plants sustain continual growth?
A: Apical meristems ✔✔
Cuticle
Q: What is the waxy covering of the epidermis called?
A: Cuticle ✔✔
Vascular tissue
Q: Land plants can be grouped based on the presence or absence of what?
A: Vascular tissue ✔✔
AND 100% CORRECT ANSWERS|
VERIFIED BY EXPERT| NEWLY
UPDATED 2025| WITH A+ GUARANTEED.
Green Algae
Q: What are the closest relatives of land plants called?
A: Charophytes ✔✔
Q: Which four key traits do land plants share only with charophytes?
A:
• Rings of cellulose-synthesizing complexes
• Peroxisome enzymes
• Structure of flagellated sperm
• Formation of a phragmoplast ✔✔
Sporopollenin
Q: What durable polymer in charophytes prevents exposed zygotes from drying out?
A: Sporopollenin ✔✔
Q: Where else is sporopollenin found besides charophytes?
A: In plant spore walls ✔✔
Q: What four key traits appear in nearly all land plants but are absent in charophytes?
A:
• Alternation of generations and multicellular, dependent embryos
• Walled spores produced in sporangia
• Multicellular gametangia
• Apical meristems ✔✔
,Alternation of Generations
Q: What is the reproductive cycle called in which plants alternate between two multicellular
stages?
A: Alternation of generations ✔✔
Gametophyte
Q: Which stage is haploid and produces haploid gametes by mitosis?
A: Gametophyte ✔✔
Placental transfer cells
Q: Through what are nutrients transferred from parent to embryo?
A: Placental transfer cells ✔✔
Embryophytes
Q: Why are land plants called embryophytes?
A: Because of the dependency of the embryo on the parent ✔✔
Sporangia
Q: What organs produce spores in the sporophyte?
A: Sporangia ✔✔
Sporocytes
Q: What diploid cells undergo meiosis to generate haploid spores?
A: Sporocytes ✔✔
Sporopollenin
, Q: What makes spore walls resistant to harsh environments?
A: Sporopollenin ✔✔
Gametangia
Q: Within what organs are gametes produced?
A: Gametangia ✔✔
Archegonia
Q: What are the female gametangia called that produce eggs and are the site of fertilization?
A: Archegonia ✔✔
Antheridia
Q: What are the male gametangia called that produce and release sperm?
A: Antheridia ✔✔
Apical meristems
Q: Where do plants sustain continual growth?
A: Apical meristems ✔✔
Cuticle
Q: What is the waxy covering of the epidermis called?
A: Cuticle ✔✔
Vascular tissue
Q: Land plants can be grouped based on the presence or absence of what?
A: Vascular tissue ✔✔
