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- 1. Multiple Choice
What carbohydrate strengthens plant cell walls?
cellulose
cambium
chlorophyll
mesophyll
- 2. Multiple Choice
Which of the following are special leaves?
spines
stolons
tendrils
both a and c
- 3. Multiple Choice
Which group of trees produces winged fruits called samaras?
birches
maples
magnolias
oaks
- 4. Multiple Choice
Which of the following is an abscission layer involved in?
growth of roots
loss of leaves
development of stems
production of leaves
- 5. Multiple Choice
What is the purpose of cellular respiration?
manufacturing food
releasing energy from food
providing carbon dioxide for the plant
providing oxygen for the plant
- 6. Multiple Choice
Which of the plant families is known for its poisonous members?
mint
lily
mustard
cashew
- 7. Multiple Choice
What type of tissue are cork and parenchyma?
structural tissue
meristematic tissue
vascular tissue
epidermal tissue
- 8. Multiple Choice
What are the largest deciduous trees in America?
ashes
oaks
maples
sycamores
- 9. Multiple Choice
Which of the following is not a cereal grass?
oats
rye
barley
sugar cane
- 10. Multiple Choice
What is the creeping, above ground stem of a grass plant?
sheath
stolon
blade
petiole
- 11. Multiple Choice
What is the pressure produced by water within cells?
turgor pressure
diffusion pressure
barometric pressure
capillary pressure
- 12. Fill in the Blank
Which of the two types of flowers in a composite flower head do the long petals represent in the picture?
- 13. Fill in the Blank
Name the process by which water vapor is lost from the leaves of plants.
- 14. Fill in the Blank
What term refers to trees that lose their leaves each fall?
- 15. Fill in the Blank
What is the other name for flowering seed plants?
- 16. Fill in the Blank
Name the liquid found in the roots, stems, and leaves of plants.
- 17. Fill in the Blank
What is the bushy head of a tree called?
- 18. Fill in the Blank
Is the pictured leaf most likely from a monocot or from a dicot?
- 19. Fill in the Blank
Leaves, stems, and flowers are part of the ______?_______ system
- 20. Fill in the Blank
The place where an organism lives is its______?_________
- 21. Multiple Choice
The stacks of chlorophyll-containing disks inside chloroplast are called _?_
chloroplasts
mitochondria
cellulose
thylakoids
- 22. Multiple Choice
A leaf that lacks a leafstalk is a(n) ? ___ leaf.
sessile leaf
unstalk leaf
petioles leaf
stipules leaf
- 23. Fill in the Blank
The term used to refer to nonwoody plants is _?_
- 24. Fill in the Blank
A leaf having more than one blade on the leafstalk is a(n) ____?_______ leaf.
- 25. Multiple Choice
Based on their life cycles, all trees are classified as _?_.
biennials
perennials
annuals
- 26. Multiple Choice
Nitrogen in the soil is returned to the air by _?_ bacteria.
ammonium ions
nitrates
nitrifying bacteria
denitrifying bacteria
- 27. Multiple Choice
What type of venation is shown below?
pinnate
sessile
parallel
palmate
- 28. Multiple Choice
The leaves of a particular plant wilt during the day but recover at night. Which of the following statements describes the most likely cause of this behavior?
A long period of drought causes the plant to receive inadequate water.
The plant receives adequate water, but hot temperatures cause insufficient transpiration during the day.
The plant receives adequate water, but hot temperatures cause rapid transpiration during the day.
A long period of heavy rains causes the plant to receive excessive water.
- 29. Multiple Choice
Why are plants considered autotrophs?
Plants conduct photosynthesis.
Plants contain chlorophyll.
Plants convert carbon dioxide to oxygen.
Plants provide food for other organisms
- 30. Multiple Choice
Which of the following would be most likely to result if a plant's meristematic tissue is damaged?
The plant cannot absorb water from the soil.
The plant cannot grow or repair tissue damage
The plant cannot conduct photosynthesis.
The plant cannot transport sap through its stems
- 31. Fill in the Blank
The onion plant is typically harvested after its first season of growth; if it is allowed to continue growing, it produces flowers in the second dying. What type of plant is the onion?
- 32. Multiple Choice
Which of the following best explains why grasses are one of the most important groups of plants?
Grasses can be used to cover and decorate lawns, playgrounds, golf courses etc.
Many different types of grass can often be found growing in a relatively small area
Man and many animals depend directly or indirectly on grasses for most of their food.
A grass plant can keep growing even if most of its stem is cut off.
- 33. Fill in the Blank
A biologist is trying to determine what types of plants a certain species of frog prefers to eat; in what field of biology is he working?
- 34. Fill in the Blank
When placed in pure water, the cells of humans and animals absorb water and swell until they burst; but the cells of plants absorb water and become firmer without bursting. What part of plant cells is responsible for this difference?
- 35. Fill in the Blank
What type of leaf arrangement is shown
- 36. Multiple Choice
Stalk that attaches leaf to stem
mesophyl
petiole
stomata
epidermis
- 37. Multiple Choice
openings in the leaf
petiole
mesophyl
stomata
epidermis
- 38. Multiple Choice
Protects and covers the leaf
petiole
mesophyl
mid rib
epidermis
- 39. Multiple Choice
middle layer of leaf where majority of photosynthesis occurs
petiole
mesophyl
mid rib
stomata
- 40. Multiple Choice
large, central vein
petiole
mesophyl
mid rib
stomata
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