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Science Chapter 2

True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

The process by which plants use energy from the sun to make food is called chloroplasticity.
 

 2. 

Most familiar plants are nonvascular.
 

 3. 

An angiosperm stores its seeds inside its flower and fruits.
 

Completion
Complete each sentence or statement.
 
 
Reviewing Vocabulary
Complete each sentence with the correct vocabulary word.
stomata
wind
xylem
self-pollination
chlorophyll
pollination
animals
water
 

 4. 

The pigment responsible for the characteristic green coloring in most plants is __________.
 

 

 5. 

Small openings called __________ are found on the underside of most leaves and allow water vapor and other gases to enter or leave the plant cells.
 

 

 6. 

Vascular tissue that transports water and minerals upwards from a plant’s roots is known as __________.
 

 

 7. 

__________ is the process by which egg cells are fertilized.
 

 

 8. 

Polllen can be dispersed by __________, ____________, __________, and _________.
 

 

 9. 

Seeds can be dispersed by _________, ___________, and ____________.
 

 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 
 
Checking Main Ideas
Choose the best answer.
 

 10. 

Plants could not survive without
a.
water and oxygen
b.
water and carbon dioxide
c.
water and roots
d.
oxygen and carbon dioxide
 

 11. 

Which of the following is a nonvascular plant?
a.
palm tree
b.
rose
c.
moss
d.
diatom
 

 12. 

During photosynthesis, ________ and __________ combine to make _________.
a.
carbon dioxide, hydrogen, water
c.
oxygen, hydrogen, sugar
b.
oxygen, carbon dioxide, sugar
d.
carbon dioxide, hydrogen, sugar
 

 13. 

The sugar becomes the plants _________.
a.
life cycle
c.
food
b.
pollen
d.
seed
 

 14. 

What part of the plant holds most of the chlorplasts?
a.
stem
c.
flower
b.
roots
d.
leaves
 

 15. 

The outer layer of the leaf is called __________.
a.
skin
c.
cell tissue
b.
epidermis
d.
cell membrane
 

 16. 

The stomatas are open during the __________ and closed during the ________.
a.
summer; winter
c.
daylight; night
b.
night; daylight
d.
summer; fall
 

 17. 

The long, thin structures running through the leaves is called ___________.
a.
arteries
c.
veins
b.
capillaries
d.
platelets
 

 18. 

Which type of plant lacks true leaves, stems, and roots?
a.
nonvascular
c.
angiosperm
b.
vascular
d.
gymnosperm
 

 19. 

Which tissues conduct food materials downward from the leaves to the rest of the plant?
a.
mitrochondrion
c.
lyosome
b.
vacuole
d.
phleom
 

 20. 

During ________, evaporation occurs through the leaves of a plant.
a.
condensation
c.
percipitaiton
b.
transpiration
d.
none
 

 21. 

The plant’s _________ is its pattern of generation, growth, and reproduction.
a.
seed cycle
c.
reproduction cycle
b.
life cycle
d.
plant cycle
 

 22. 

The most common gymnosperm are the _________.
a.
conifers
c.
oak trees
b.
apple trees
d.
rose
 

 23. 

Plants that are classified in the angiosperm family are ______.
a.
conifers
c.
flowering plants
b.
oak trees
d.
grass
 

 24. 

Pollination occurs in the _________.
a.
spring
c.
fall
b.
summer
d.
winter
 

 25. 

Which group make of the largest group of plants?
a.
gymnosperm
c.
trees
b.
angiosperm
d.
none of these
 

 26. 

The _________ are the reproduction part of an angiosperm.
a.
cones
c.
flowers
b.
leaves
d.
roots
 

 27. 

On both gymnosperm and angiosperm, the ________ produces the pollen, and the female produces the __________.
a.
seed; pollen
c.
pollen; flower
b.
seed; flower
d.
pollen; seed
 

 28. 

The ________ forms to protect the seed.
a.
fruit
c.
pollen
b.
spores
d.
cone
 

 29. 

The seedless plants reproduce through _______.
a.
stamen
c.
spores
b.
stigma
d.
style
 

 30. 

When pollen fertilizes the seed, it becomes a __________.
a.
tree
c.
pedal
b.
zygote
d.
flower
 

Short Answer
 
 
Thinking Critically
 

 31. 

Label the ovary, antherstigma, stalk, and style.  List them in order as you would see them going from the top down.  (I could not draw a line to the part of the flower I wanted you to label. If you don’t understand, ask me.)

                                    __________
                                         
_____________                              _____________
_____________science_chapter_2_files/i0380000.jpg___________
 

 32. 

Stomata comes from the Greek word stoma. What does the word mean?
 

 33. 

What percent of water are taken in by the roots?
 

 34. 

What is a common seedless plant?
 

 35. 

________ out of ________ plants are flowering plants.
 



 
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