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Plant Unit Multiple choice
30 multiple choice questions and answers for plant test
35
Biology
10th Grade
11/10/2015

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Term
What are some characteristics of nonvascular plants?
Definition
nonvascular plants need water for reproduction and has no vascular tissue.
Term
What are some examples of nonvascular plants?
Definition
moss and liverworts
Term
What are the three types of vascular plants?
Definition
Seedless plants, gymnosperms, and angiosperm
Term
What are some characteristics of vascular plants?
Definition
vascular tissue, some reproduce by spores, and some have enclosed seeds
Term
What are Gymnosperms? What are some Characteristics?
Definition
gymnosperms are a type of Vascular plant. It has “naked” seeds, meaning seed is exposed
Term
What are Angiosperms? What are some Characteristics?
Definition
angiosperm are a type of vascular plant. It has enclosed seeds meaning seeds are enclosed by fruit
Term
What are two types of angiosperms? What is the difference between the two?
Definition
monocot and Dicots are two types of Angiosperm. Monocots has only one cotyledon and dicots have two. Monocots have parallel veins and florals parts are in multiples of 3’s. Dicots have braided veins and floral parts are in multiples of 4-5.
Term
What are two types of roots? What is an example of each?
Definition
two types of roots are fibrous and taproot examples: taproot= carrot, fibrous= tomato plant
Term
What are the functions of roots?
Definition
absorb water and nutrients, anchors plants, stores energy, and houses bacteria.
Term
What are root hairs and why are they important?
Definition
roots that increase the surface area of the root so the plant can get more water and nutrients
Term
How does water come into the root?
Definition
diffusion/osmosis
Term
What are the two types of stems?
Definition
Herbaceous and woody
Term
What are the functions of stems?
Definition
support the plant, transport water and nutrition, store nutrition, and some may photosynthesis
Term
What does vascular tissue do?
Definition
transports water and minerals or nutrition
Term
What is vascular tissue called in the stem?
Definition
Xylem and Phloem
Term
What is the main function of leaves?
Definition
make food using photosynthesis
Term
What are the reactants of photosynthesis?
Definition
Co2, H2O, and light energy
Term
What are the products of photosynthesis?
Definition
C6, H12, and O8
Term
Where does photosynthesis occur?
Definition
in the chloroplasts (anywhere the plant is green)
Term
What are stomata? Where are they located?
Definition
stomata are the breathing holes. Located on the underside of leaves. The role of stomata is gas exchange
Term
How does water travel up the stem?
Definition
by transpiration
Term
What is transpiration? Why is it important?
Definition
it is an “engine” that pulls water up from the roots and cools the plant, protecting it from overheating
Term
What is the function of the flower?
Definition
to reproduce
Term
Do all plants have flowers?
Definition
No, only angiosperms
Term
Why are petals important?
Definition
they attract pollinators
Term
What do the sepals do for the plant?
Definition
protect flower before the blossom opens
Term
What is the female part of the flower? What are the three parts of the female called?
Definition
female part of the flower is pistil.The parts are stigma, style, and the ovary
Term
What is the male part of the flower called? What are the two parts of the male called?
Definition
Stamen is the male part of the flower; it consists of the anther and filament
Term
Describe what happens during plant sex.
Definition
plant sex starts with cells in the Anther produce grains. Then pollen lands on the sticky tip of the stigma. A tube grows from each pollen grain down the style towards the ovule in the ovary. Two sperm cells go in: one fertilizes an eggshell - embryo, one fuses with female gametophyte and supplies food to embryo - endosperm)
Term
What is the purpose of the fruit?
Definition
protect and help disperse seeds
Term
List three ways seeds are dispersed.
Definition
wind, water, and animals
Term
name the parts of a seed.
Definition
embryo, endosperm, and seed coat
Term
What is it called when the embryo begins growing again?
Definition
embryo begins to grow again, it is called germination
Term
What is self-pollination? Cross-pollination?
Definition
Self pollination is when the pollen from one plant goes to the stigma of the same plant. Cross pollination is when the pollen from one plant goes to the stigma of a different plant.
Term
How do plants impact your life?
Definition
Plant not only provide the world with food, but they also hold the dirt down to slow the process of erosion. Plants produce oxygen which is needed for our human existence to continue.
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