Types of Plants Answers

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Which of these gymnosperms are known to be important in maintaining the balance of carbon in an ecosystem?

A
garden flowering plants
B
ferns and liverworts
C
mosses and horsetails
D
redwood tree forests
2
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This plant is Malva assurgentiflora, an endangered plant found in California. Based on the photo, which type of plant is Malva assurgentiflora?

Question illustration
A
bryophyte
B
gymnosperm
C
monocot
D
dicot
3

A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm?

A
Its seeds have one or two cotyledons.
B
Its stems' vascular bundles are scattered.
C
It does not depend on insect pollination.
D
It is a seeded vascular plant.
4

Why are seeds an evolutionary advantage for seed plants?

A
Seeds allow for the transport of water and nutrients.
B
Seeds develop into adults without sexual reproduction.
C
Seeds protect the plant embryo and its food source.
D
Seeds provide the materials for photosynthesis.
5

Your teacher is describing a plant that bears seeds and flowers, has five flower petals, and has seeds that are enclosed by fruits. What kind of plant is he describing?

A
gymnosperm
B
angiosperm
C
bryophyte
D
monocot
6

Citrus trees are angiosperms and dicots. Which characteristic would citrus trees have?

A
flower petals in multiples of three
B
herbaceous or woody stems
C
parallel veins on the leaves
D
one cotyledon in the seed
7

This diagram shows how seed plants are grouped. Which is the missing label?

Question illustration
A
Bryophytes
B
Angiosperms
C
Pteridophytes
D
Monocots
8

Which is an innovation of gymnosperms?

A
Gymnosperms are the first seed plants.
B
Gymnosperms are the first flowering plants.
C
Gymnosperms are the first vascular plants.
D
Gymnosperms are the first spore-bearing plants.
9

Which best describes plant classification?

A
Nonvascular plants are grouped into seedless and seeded plants.
B
Seedless plants are grouped into gymnosperms and angiosperms.
C
Gymnosperms are grouped into monocots and dicots.
D
Angiosperms are grouped into monocots and dicots.
10

A newly discovered tree species has cone-like structures that are covered with exposed seeds. Which plant group does it most likely belong to?

A
pteridophytes
B
gymnosperms
C
angiosperms
D
bryophytes

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