Biology (Raven), 9th Edition

Chapter 37: Vegetative Plant Development

Post-Test

1
In plant embryo development, the bulk of the embryonic interior is
A)epidermal cells.
B)ground tissue.
C)mesodermal tissue.
D)vascular tissue.
E)endodermal tissue.
2
What is necessary for seed germination?
A)Light has to hit it to induce photosynthesis.
B)Water and oxygen need to contact it.
C)Water has to erode away the seed coat.
D)Carbon dioxide levels around the seed need to increase so it can perform the Calvin cycle.
E)The fruit must be peeled away.
3
Which of the following fruits is correctly matched with its description?
A)Multiple fruit; has a wing formed from outer tissues
B)Legume; individual flowers form fruits around a single stem
C)Berry; two carpels with seeds attached to edges
D)Aggregate fruit; derived from many ovaries of a single flower
E)Samara; fleshy pericarp with a thin skin
4
What effect does exposure of gibberelic acid to the aleurone cause?
A)Production of alpha amylase
B)Emergence of the radicle
C)Reorientation of the seed so the root grows down and the shoot grows up
D)Splitting of the seed coat
E)Expansion of cotyledons
5
In the asymmetric division that occurs in the angiosperm zygote, the larger cell gives rise to ________ while the smaller cell becomes the ___.
A)the seed coat; nucellus
B)nucellus; seed coat
C)embryo; suspensor
D)suspensor; embryo
E)nucellus, suspensor
6
All of the following are advantages plants receive from the ability to make seeds, EXCEPT:
A)Seeds allow dormancy for the embryo under unfavorable conditions.
B)Seeds have food reserves for the embryo.
C)Seeds allow compaction of the embryo so it can be dispersed efficiently.
D)Seeds allow efficient dispersal of embryos.
E)The sporophyte can contribute resources to the seed.
7
The fruit arises from a thickened, differentiated ovary wall. From what is the fruit created?
A)The sporophyte which accepted pollen from another partner
B)The gametophyte which accepted pollen from another partner
C)The sporophyte created by accepting pollen from another partner
D)The gametophyte created by accepting pollen from another partner
E)The zygote
8
Which feature defines whether germination has occurred?
A)A change in color in the seed coat
B)Cracking of the seed coat
C)Expansion of the cotyledons
D)Emergence of the radicle
E)Thickening of the ovary wall to become a fruit
9
In the angiosperm embryo, the cells near the suspensor are destined to form
A)cotyledons.
B)a root.
C)endosperm.
D)the plumule.
E)a shoot.
10
The outermost cells in the plant embryo become
A)vascular tissue.
B)ovule.
C)ground tissue.
D)dermal tissue.
E)apical meristem.
11
In stm mutants,
A)a root forms but shoots do not.
B)shoots form but roots do not.
C)neither roots nor shoots form.
D)shoots form but do not produce leaves.
E)the stem formed lacks chlorophyll.
12
Cotyledons are derived from
A)nonmeristem embryo tissue.
B)shoot apical meristem.
C)protoderm.
D)procambium.
E)lateral meristem.
13
Water makes up about ____% of a mature seed.
A)1-3
B)5-20
C)25-40
D)45-60
E)75
14
When the seed coat forms, most of the metabolic activity
A)slows down.
B)accelerates.
C)fluctuates.
D)ceases.
E)continues as before.
15
The seed coat forms from the
A)cotyledons.
B)ovary.
C)hypocotyl.
D)embryo dermal tissue.
E)ovule.
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