Question 1

Which group of algae is believed to be the closest ancestor of land plants?

Accepted Answer

Charophytes

Question 2

Sporopollenin is a key adaptation for terrestrial life in plants. What is its primary function?

Accepted Answer

Prevents desiccation of spores and zygotes

Question 3

In the alternation of generations in plants, which process directly produces spores?

Accepted Answer

Meiosis

Question 4

If a gametophyte has 16 chromosomes, how many chromosomes are in the sporophyte?

Accepted Answer

$$32$$

Question 5

Which of the following is produced by the gametophyte generation in plants?

Accepted Answer

Gametes

Question 6

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

Accepted Answer

Prevents water loss

Question 7

Which of the following best describes a clade?

Accepted Answer

A group of organisms that share a common ancestor

Question 8

In mosses, where does meiosis occur?

Accepted Answer

In the sporangium

Question 9

How do mosses primarily absorb water?

Accepted Answer

Through leaves and surface cells

Question 10

Which generation is dominant in ferns?

Accepted Answer

Sporophyte (diploid)

Question 11

Why can vascular plants grow taller than nonvascular plants?

Accepted Answer

They have lignified vascular tissue for support and transport

Question 12

Which of the following is a function of roots in vascular plants?

Accepted Answer

Water and nutrient absorption

Question 13

What adaptation allows plants to prevent desiccation of their embryos?

Accepted Answer

Seeds

Question 14

Which of the following is true about the dispersal of spores in mosses?

Accepted Answer

Spores are dispersed by wind

Question 15

Which two types of vascular tissue are found in seedless vascular plants, and what do they transport?

Accepted Answer

Xylem (water) and phloem (sugars)

Question 16

What is the main function of leaves in vascular plants?

Accepted Answer

Photosynthesis

Question 17

Which of the following is an example of a gymnosperm?

Accepted Answer

Pine tree

Question 18

In the life cycle of a fern, what is produced by the sporophyte generation?

Accepted Answer

Spores

Question 19

Which adaptation allows plants to increase surface area for photosynthesis?

Accepted Answer

Leaves

Question 20

Which process in the plant life cycle restores the diploid number of chromosomes?

Accepted Answer

Fertilization

Guided Study: Plant Diversity and Life Cycles

Guida di studio - Domande di pratica