Types of Plants Answers

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1
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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
3

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 allow the orchid to attach itself to trees.
C
Aerial roots produce food for the orchid through photosynthesis.
D
Aerial roots anchor the orchid to the ground.
5

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.
6

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.
7

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.
9

Mosses are classified as bryophytes. Which best describes mosses?

A
Mosses are seedless plants.
B
Mosses bear fruit and flowers.
C
Mosses bear flowers, but no fruit.
D
Mosses have one cotyledon in a seed.
10

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

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