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Types of Plants — Quiz Answers

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1
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Orchids are a recently evolved plant that have a novel feature known as aerial roots. What is the most likely function of an orchid's specialized roots?

A
Aerial roots are the site of energy synthesis.
B
Aerial roots produce food for the orchid through photosynthesis.
C
Aerial roots allow the orchid to attach itself to trees.
D
Aerial roots anchor the orchid to the ground.
2
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Which best describes plant classification?

A
Angiosperms are grouped into monocots and dicots.
B
Seedless plants are grouped into gymnosperms and angiosperms.
C
Gymnosperms are grouped into monocots and dicots.
D
Nonvascular plants are grouped into seedless and seeded plants.
3

Which is an innovation of gymnosperms?

A
Gymnosperms are the first flowering plants.
B
Gymnosperms are the first spore-bearing plants.
C
Gymnosperms are the first seed plants.
D
Gymnosperms are the first vascular plants.
4

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

A
herbaceous or woody stems
B
one cotyledon in the seed
C
flower petals in multiples of three
D
parallel veins on the leaves
5

Which evolutionary adaptations helped plants succeed and spread on land?

A
spores and pine cones
B
vascular tissue and seeds
C
small size and small seeds
D
cotyledons and nonvascular tissue
6

Which best explains the evolution of gymnosperm plants?

A
They evolved before the seedless nonvascular plants.
B
They evolved at the same time as monocots and dicots.
C
They evolved after the seeded flowering plants.
D
They evolved after the seedless vascular plants.
8

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.
10

Mosses are classified as bryophytes. Which best describes mosses?

A
Mosses bear fruit and flowers.
B
Mosses have one cotyledon in a seed.
C
Mosses are seedless plants.
D
Mosses bear flowers, but no fruit.

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