Question 1

Which of the following is a key derived trait that distinguishes land plants (embryophytes) from their closest algal relatives, the charophytes?

Accepted Answer

Alternation of generations with multicellular, dependent embryos

Question 2

Which structure in plants is responsible for the continual growth in length and differentiation into various tissues?

Accepted Answer

Apical meristem

Question 3

A botanist discovers a plant with the following characteristics: dominant gametophyte generation, no vascular tissue, and reproduction via spores. To which group does this plant most likely belong?

Accepted Answer

Nonvascular plants (bryophytes)

Question 4

Which of the following best describes the alternation of generations in land plants?

Accepted Answer

A diploid sporophyte produces haploid spores by meiosis, which grow into haploid gametophytes

Question 5

Which of the following is NOT a function of the cuticle in land plants?

Accepted Answer

Providing structural support against gravity

Question 6

Which of the following statements about mosses is TRUE?

Accepted Answer

Their gametophyte is larger and longer-living than the sporophyte

Question 7

Which of the following best explains why peatlands are important in the global carbon cycle?

Accepted Answer

They store large amounts of organic carbon, slowing decomposition

Question 8

Which of the following is a correct pairing of plant group and its dominant generation?

Accepted Answer

Ferns – sporophyte

Question 9

Which of the following is a real-world consequence of overharvesting Sphagnum (peat moss)?

Accepted Answer

Release of stored CO$$_2$$ into the atmosphere

Question 10

Which of the following is TRUE regarding the evolution of vascular tissue in plants?

Accepted Answer

It allowed plants to grow taller and transport water and nutrients efficiently

Question 11

A plant produces two types of spores: megaspores and microspores. What is this condition called?

Accepted Answer

Heterosporous

Question 12

Which of the following is a function of stomata in land plants?

Accepted Answer

Allowing gas exchange between the plant and the environment

Question 13

Which of the following best describes the role of mycorrhizae in early land plants?

Accepted Answer

They helped plants without true roots obtain nutrients from the soil

Question 14

Which of the following is a distinguishing feature of megaphylls compared to microphylls?

Accepted Answer

Megaphylls have a highly branched vascular system

Question 15

Which of the following statements about the oxygen cycle is supported by the provided materials?

Accepted Answer

Marine microbes are responsible for about 50% of Earth's oxygen production

Question 16

Which of the following is TRUE about the reproductive structures of nonvascular plants?

Accepted Answer

Archegonia produce eggs and antheridia produce sperm

Question 17

Which of the following best explains why seedless vascular plants are typically found in moist environments?

Accepted Answer

Their sperm are flagellated and require water to swim to the egg

Question 18

Which of the following is a correct sequence of evolutionary events in plant history, from earliest to most recent?

Accepted Answer

Origin of land plants → origin of vascular plants → origin of seed plants

Question 19

Which of the following is a real-world application of peat moss (Sphagnum) discussed in the materials?

Accepted Answer

It is used as a fuel source and in the flavoring of scotch whisky

Question 20

Which of the following best describes the relationship between sporopollenin and plant adaptation to land?

Accepted Answer

Sporopollenin is a durable polymer that prevents desiccation of spores and zygotes

Plant Diversity I: How Plants Colonized Land

Guida di studio - Domande di pratica

Study guide - Flashcard