WorksheetsPlants (Review for DCP 3)
Total questions: 20
Worksheet time: 28mins
Which of the following molecules has the greatest effect on the growth of a plant in response to an environmental stimulus?
carbon dioxide
auxin
chlorophyll
potassium nitrate
The diagram shows how a plant grows in relation to gravity.
Which of the following describes the growth patterns of its organ systems?
The roots show positive geotropism; the shoots show positive geotropism
The roots show negative geotropism; the shoots show negative geotropism
The roots show positive geotropism; the shoots show negative geotropism
The roots show negative geotropism; the shoots show positive geotropism
Redvines (Brunnichia ovate) have specialized stems called tendrils that grow around the branches of other plants. The tendrils allow redvines to wrap themselves around these plants for support. This pattern of growth is best described as
thigmotropism
phototropism
hydrotropism
geotropism
Every cell in a plant requires water. Xylem tissue carries this water and composes most of the woody tissue found inside the tree. What must happen before water can be distributed through the xylem of a woody plant?
The xylem must compete with the phloem for energy reserves
Water vapor must be created by enzymes in the leaves of the plant
Sugars stored in root vegetables are converted into water
The water must be absorbed by the root system of the plant
What service do decomposers provide to an ecosystem?
the synthesis of new elements
the production of food energy
the recycling of nutrients
the predation of animals
Carbon is removed from the air and converted into organic compounds. What type of organism is capable of completing this conversion?
decomposers
consumers
producers
predators
Stomata are tiny holes in the leaves of plants. These are critical to a plant’s ability to perform photosynthesis because they
distribute sugar to the leaf cells
provide the plant with nitrogen
absorb the sun’s solar energy
allow gases to enter and leave
Sugars created during photosynthesis are distributed through the plant inside of which of the following types of tissue?
xylem
phloem
mesophyll
epidermis
The cuticle is a waxy covering found on the upper surface of leaves. The primary purpose of the cuticle is to
prevent water loss from leaves
absorb sunlight for the plant
capture carbon dioxide from the air
distribute water to all leaf cells
What is the female sex cell in the flower?
Anther
Ovule
Pollen
Stigma
Where does pollen first land on a flower?
Ovule
Anther
Style
Stigma
Where are pollen grains produced in the flower?
Carpel
Filament
Anther
Ovule
Animals and wind can both be used in _________________.
pollination
creating of new pollen
asexual reproduction
immediate fertilization of an ovary
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B
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D
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D
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B
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F
G
H
J
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D
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