Ch. 20 Quiz

Question 1

The cells responsible for water and mineral transport in some mosses are called ___.

Answer 1

Hydroids

Question 2

The cells that transport sugars in some mosses are similar to sieve-tube elements because

Answer 2

All of the above

Question 3

Moss leaves are usually

Answer 3

One cell thick with a cuticle on the upper surface and no stomata

Question 4

The gametophyte of leafy liverworts resembles the gametophyte of a miss because both have

Answer 4

A stem with three rows of leaves

Question 5

The most common way that sperm cells travel from antheridia to archegonia in Marchantia is by

Answer 5

Being splashed by raindrops

Question 6

The gametophyte of thallose liverworts has

Answer 6

Air chambers that open to the upper surface by large pores

Question 7

One of the major ways hornworts differ from liverworts is their

Answer 7

Lack of oil bodies in their cells

Question 8

On some soil samples, you have found filaments that contain chloroplasts. How would you know if they are algae or the protonema of a moss?

Answer 8

A protonema has numerous small chloroplasts in each cell; algae have one or two large chloroplasts

Question 9

You come across a mosslike plant in the woods. With a hand lens you notice that is has lobed leaves that appear to have grown from two apical points, no midrib, and a basal pouch. You conclude that this plant is a:

Answer 9

Leafy liverwort

Question 10

Moss spores are released from a capsule when..

Answer 10

Cells of the peristome respond to humidity, bending the peristome teeth outward