Question 1

Which of the following adaptations is unique to angiosperms among land plants?

Accepted Answer

Production of flowers and fruits

Question 2

What is the primary function of xylem in vascular plants?

Accepted Answer

Transport of water and minerals from roots to leaves

Question 3

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

Accepted Answer

Plants alternate between a multicellular diploid sporophyte and a multicellular haploid gametophyte

Question 4

Which equation correctly represents the process by which a sporophyte produces spores?

Accepted Answer

$$2n \xrightarrow{meiosis} n$$

Question 5

Why do non-vascular plants, such as mosses, require moist environments for survival and reproduction?

Accepted Answer

They rely on osmosis and diffusion for water transport and require water for sperm to swim to eggs

Question 6

Which adaptation first appeared in seedless vascular plants and allowed them to grow taller than non-vascular plants?

Accepted Answer

Development of vascular tissues (xylem and phloem)

Question 7

A botanist discovers a plant with the following characteristics: presence of cones, vascular tissue, and seeds not enclosed in fruit. To which group does this plant most likely belong?

Accepted Answer

Gymnosperms

Question 8

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

Accepted Answer

Protection of DNA from UV radiation

Question 9

In the life cycle of a fern, which process leads directly to the formation of a zygote?

Accepted Answer

Fertilization

Question 10

Which of the following best explains why seeds are considered a major evolutionary innovation in gymnosperms and angiosperms?

Accepted Answer

Seeds protect the embryo from desiccation and provide a food source

Question 11

Which structure in vascular plants is primarily responsible for transporting sugars produced during photosynthesis?

Accepted Answer

Phloem

Question 12

A student observes a plant that produces spores in cones, has vascular tissue, and does not produce flowers. Which group does this plant belong to?

Accepted Answer

Gymnosperms

Question 13

Which of the following is NOT a characteristic of non-vascular plants?

Accepted Answer

Presence of vascular tissue

Question 14

Which process is responsible for the production of gametes in the gametophyte generation of land plants?

Accepted Answer

Mitosis

Question 15

Which of the following correctly matches a plant group with a representative example?

Accepted Answer

Angiosperms – Sunflowers

Question 16

Which adaptation allows gymnosperms to be less dependent on water for reproduction compared to seedless vascular plants?

Accepted Answer

Production of pollen grains

Question 17

Which of the following best describes the role of stomata in land plants?

Accepted Answer

Regulating gas exchange and water loss

Question 18

A seedless vascular plant is placed in a dry environment. Which aspect of its life cycle would be most directly affected?

Accepted Answer

Sperm swimming to egg during sexual reproduction

Question 19

Which of the following is a key difference between gymnosperms and angiosperms?

Accepted Answer

Angiosperms produce flowers and fruits, gymnosperms do not

Question 20

Which of the following equations best represents the process of fertilization in the plant life cycle?

Accepted Answer

$$n + n \rightarrow 2n$$

Ch.28 Pt2 Diversification of Land Plants: Adaptations and Evolutionary Innovations

Guida di studio - Domande di pratica

Study guide - Flashcard