Tennessee Science Grade 7

Chapter 7: Plant Reproduction

Plant Reproduction

1
What are the three main parts of a seed?
A)cone, zygote, and seed coat
B)seed coat, stored food, and an embryo
C)pollen grain, sperm, and egg
D)stored food, flower, and pollen grain
2
What special types of cells are produced during the gametophyte stage of a plant's life cycle?
A)seed cells
B)spores
C)sex cells
D)zygotes
3
Why can't you go to a garden store and buy fern seeds?
A)Fern seeds are very rare.
B)Fern seeds must stay moist.
C)Fern seeds are too small to package.
D)Ferns do not produce seeds.
4
Why might a seed be covered in prickly hooks?
A)to attract insects
B)to aid in seed dispersal
C)to keep it from being eaten
D)to help in germination
5
In gymnosperms and angiosperms, the egg is produced in a female structure called __________.
A)a seed
B)a stamen
C)an ovule
D)a pollen grain
6
Spores are produced during the __________ stage of a plant's life cycle.
A)asexual
B)sporophyte
C)gametophyte
D)sexual
7
What is the gametophyte plant of a fern called?
A)frond
B)capsule
C)prothallus
D)rhizome
8
Sexual reproduction in plants, as in all organisms, requires__________.
A)only a female
B)only a male
C)only small parts of the plant
D)a male and female
9
If someone gives you a plant and tells you that it is an angiosperm, you know that sometime during its life cycle it will produce __________.
A)swimming sperm
B)a prothallus
C)flowers
D)cones
10
Some seeds, like those in tomatoes and apples, are found inside __________ and pass through an animal's digestive system when they are eaten.
A)roots
B)cones
C)fruits
D)flowers
11
The transfer of pollen grains to the female part of the plant is called __________.
A)germination
B)reproduction
C)pollination
D)fertilization
12
In fern plants, spores are produced in structures called _________.
A)fronds
B)prothallus
C)sori
D)capsules
13
__________ is a series of events that results in the growth of a plant from a seed.
A)Pollination
B)Reproduction
C)Germination
D)Fertilization
14
The production of new plants from underground stems is an example of __________ reproduction.
A)sexual
B)zygote
C)asexual
D)two parent
15
A plant produces small flowers that do not have a strong odor and are not brightly colored. The plant probably is pollinated by __________.
A)bees
B)bats
C)flies
D)the wind
16
One difference between sexual reproduction in plants and animals is that in plants, sex cells __________.
A)unite to form a zygote
B)are produced in structures made of haploid cells
C)are called sperm and egg
D)join in a process called fertilization
17
Which one of the following reproductive structures would be found only in gymnosperms?
A)cones
B)sori
C)flowers
D)pistils
18
Which one of the following is an example of a nonvascular seedless plant?
A)horsetail
B)fern
C)moss
D)flowering plant
19
Which one of the following is the male reproductive part of a flower?
A)stamen
B)sepal
C)petal
D)pistils
20
In seed plants, sperm travel down a(n) __________ to reach the egg.
A)stigma tube
B)ovule tube
C)pollen tube
D)stamen tube
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