Question 1

The are the most diverse seedless vascular plants.

Accepted Answer

ferns

Question 2

A mature pine tree is part of the generation.

Accepted Answer

sporophyte or diploid

Question 3

Conifer seeds develop in reproductive structures called .

Accepted Answer

cones

Question 4

The cells of a gametophyte are

Accepted Answer

A)   diploid.
B)   tetraploid.
C)   triploid.
D)   haploid.
E)   unable to divide by mitosis.

Question 5

The only seedless vascular plants with broad leaves are ferns.

Accepted Answer

A) True 
 B)False

Question 6

Which group of land plants is most restricted to moist environments?

Accepted Answer

A)   Angiosperms
B)   Bryophytes
C)   Anthophyta
D)   Tracheophytes
E)   Vascular plants

Question 7

In the 1800s, northern Minnesota was covered with heavy forests. After the forests were logged off, the land was sold for farms. The majority of the farms failed because the land became waterlogged. Why did this happen?

Accepted Answer

The answer of In the 1800s, northern Minnesota was covered...

Question 8

Which of the following supports the idea that land plants arose from green algae?

Accepted Answer

A)   Both contain lignin in their cell walls.
B)   Both utilize chlorophylls a and b.
C)   Both are multicellular.
D)   Both photosynthesize.
E)   Green algae live in freshwater environments, and plants require fresh water.

Question 9

How does photosynthesis benefit nonphotosynthetic organisms such as humans?

Accepted Answer

The answer of How does photosynthesis benefit nonphotosynthetic organisms such...

Question 10

What characteristics allow conifers to dominate cold, dry habitats?

Accepted Answer

The answer of What characteristics allow conifers to dominate cold,...

Question 11

Which of these is an advantage shared by early plants that invaded land?

Accepted Answer

A)   Fewer predators
B)   Increased sunlight availability
C)   Increased support against gravity
D)   A and B
E)   All of the above

Question 12

To limit water loss, land plants developed

Accepted Answer

A)   stomata.
B)   a cuticle.
C)   flowers.
D)   vascular tissue.
E)   lignin.

Question 13

In some areas of the world where there are large numbers of pine trees, in the spring everything is covered with a yellow dust that turns out to be pine pollen. Why must conifers produce so much pollen, and why doesn't a field of flowers produce so much pollen?

Accepted Answer

The answer of In some areas of the world where...

Question 14

Cycads are classified as

Accepted Answer

A)   angiosperms.
B)   bryophytes.
C)   seedless vascular plants.
D)   gymnosperms.
E)   ferns.

Question 15

Horsetails are classified as

Accepted Answer

A)   angiosperms.
B)   bryophytes.
C)   seedless vascular plants.
D)   gymnosperms.
E)   ferns.

Question 16

You discover a new species of plant in a tropical rain forest. You observe that it has flagellated sperm and the sporophyte emerges from the gametophyte; however, seeds and xylem tissue is lacking. This plant is probably a(n)

Accepted Answer

A)   bryophyte.
B)   alga.
C)   gymnosperm.
D)   angiosperm.
E)   fern.

Question 17

-Based on the evolutionary tree, angiosperms are most closely related to

Accepted Answer

A)   liverworts.
B)   gymnosperms.
C)   green algae.
D)   ferns.
E)   mosses.

Question 18

The generation of a plant is diploid.

Accepted Answer

The answer of The generation of a plant is diploid....

Question 19

If you were hiking and wanted to show off your understanding of the differences between gymnosperms and angiosperms, what characteristics could you see with your naked eye that would help you impress your friends?

Accepted Answer

A)   Size of the male gametophyte
B)   Presence or lack of spores
C)   Presence or lack of vascular tissues
D)   Presence or lack of seeds
E)   Flowers or cones

Question 20

Which group of plants was the first to produce seeds?

Accepted Answer

A)   Lycophytes
B)   Gymnosperms
C)   Angiosperms
D)   Chlorophytes
E)   Bryophytes

Exam 22: The Diversity of Plants