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End of Chapter Quiz
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1
Sexual reproduction in angiosperms requires
A)pollen.
B)runners.
C)rhizomes.
D)suckers.
2
Angiosperm flowers that contain both male and female structures are called
A)dioecious.
B)monoecious.
C)parthenogenetic.
D)incomplete.
3
The flower shape, scent, and color and presence of nectar in the flowers of some angiosperms are related to the plant's
A)predators.
B)animal pollinators.
C)insect pests.
D)symbionts.
4
For a seed to germinate, the dormant plant embryo must get
A)carbon dioxide and water.
B)nitrogen and water.
C)oxygen and nitrogen.
D)oxygen and water.
5
Fruit forms from a flower's
A)ovary.
B)sepals.
C)carpels.
D)stigma.
6
Meristematic tissue regulates plant growth and development through the use of
A)carbohydrates.
B)amount of available water.
C)hormones.
D)phototropism.
7
The hormone auxin causes
A)plant stem cells to shorten by releasing water.
B)fruit to ripen.
C)plant stem cells to elongate through absorption of water.
D)increase of plant diameter through growth of more lateral branches.
8
The hormone ethylene causes
A)plant stem cells to shorten by releasing water.
B)fruit to ripen.
C)increase in fruit size.
D)increase of plant diameter through growth of more lateral branches.
9
Angiosperm flower production is controlled by
A)temperature.
B)gibberellins.
C)photoperiod.
D)magnesium.
10
Sensitivity of plants to touch is known as
A)thigmotropism.
B)photoperiodism.
C)phototropism.
D)gravitropism.





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