Question 1

Which of the following best describes the alternation of generations in land plants, as illustrated in the first diagram (fern life cycle)?

Accepted Answer

The sporophyte produces spores by meiosis, and the gametophyte produces gametes by mitosis.

Question 2

In the moss life cycle (third diagram), which structure is diploid?

Accepted Answer

Sporophyte

Question 3

Which of the following structures is responsible for nutrient transport in vascular plants?

Accepted Answer

Phloem

Question 4

What is the main function of the cuticle and stoma in land plants?

Accepted Answer

Cuticle prevents water loss, and stoma allows gas exchange.

Question 5

Which of the following is a gametangium?

Accepted Answer

Archegonium

Question 6

Which of the following structures evolved at the first branch point in the plant phylogenetic tree?

Accepted Answer

Cuticle and stomata

Question 7

Which of the following is a shared derived character of embryophytes?

Accepted Answer

Alternation of generations with multicellular, dependent embryos

Question 8

Which equation correctly represents the process of meiosis in the plant life cycle?

Accepted Answer

$$2n \rightarrow n$$

Question 9

Which equation correctly represents fertilization in the plant life cycle?

Accepted Answer

$$n + n \rightarrow 2n$$

Question 10

Which of the following is NOT a function of roots in vascular plants?

Accepted Answer

Producing gametes

Question 11

Which of the following plants contain lignin?

Accepted Answer

Ferns

Question 12

Which of the following structures allows plants to grow taller and why is this advantageous?

Accepted Answer

Xylem; it provides structural support and efficient water transport

Question 13

Which of the following is the most important function of plant leaves?

Accepted Answer

Photosynthesis

Question 14

Which of the following structures is haploid in the moss life cycle?

Accepted Answer

Gametophyte

Question 15

Which of the following is a non-vascular plant?

Accepted Answer

Hornwort

Question 16

Which of the following structures play an important role in plant’s gas exchange?

Accepted Answer

Stoma

Question 17

Which of the following clades is the plant kingdom?

Accepted Answer

Embryophyta

Question 18

Which of the following structures is NOT matched correctly with its function?

Accepted Answer

Xylem: nutrient transport

Question 19

Which of the following includes the earliest plants?

Accepted Answer

Non-vascular plants

Question 20

Which of the following structures/cells are diploid?

Accepted Answer

Zygotes

Guided Study for Plant Life Cycles and Structures (Chapter 29)

Guida di studio - Domande di pratica