Which of these is the MOST ACCURATE difference between gymnosperms and angiosperms?
Angiosperms can have broad, flat leaves; gymnosperms never do
Gymnosperms produce cones for reproduction; angiosperms don’t
Angiosperms produce flowers for reproduction; gymnosperms don’t
Gymnosperms have leaves that are reduced in size, forming needles; angiosperms don’t
Which of the following plants produces a seed with only one cotyledon?
Pea
Corn
Peanut
Sunflower
Which of the following is the BEST description of a tissue?
Part of an organ
set of cells that function together
cluster of cells all in the same place
set of identical cells that have a unified function
The tissue type in a plant that is capable of cell division is called
parenchyma
collenchyma
meristematic
sclerenchyma
Where on a plant would one look to find an apex?
In a flower
Along the stem
Under the leaves
At the tip of a branch
In which growing conditions would you find xerophytes, hydrophytes, and halophytes (respectively)?
Mineral-rich, aquatic, dry
Aquatic, dry, mineral-rich
Dry, aquatic, mineral-rich
Dry, mineral-rich, aquatic
A boring tool is used to drill a hole into a tree. Which sequence of tissues would it encounter?
Phloem — xylem — vascular cambium
Phloem — vascular cambium — xylem
Xylem — vascular cambium — phloem
Xylem — phloem — vascular cambium
What accounts for the movement of water into a root hair and on to the xylem?
The pressure exerted on the roots by the surrounding soil
Diffusion due to the difference in concentration of minerals
Osmosis due to the osmotic pressure created by the surrounding ground
The active transport of minerals into the root tissues creating osmotic pressure
Which of the following is the BEST description of the structure and function of the Casparian strip?
set of cells that allows water into the xylem from the root hairs
waxy layer around the xylem that prevents water from leaving once it is there
protein-rich layer that enzymatically controls water movement in a vascular bundle
specialized tissue that conducts water in the xylem of roots to the xylem above the ground
Under which conditions would the chance of transpiration be the greatest?
Hot and dry
Cold and dry
Hot and humid
Cold and humid
The dark lines forming the annular rings of a tree are made out of dense
xylem cells that formed in poor growing conditions
xylem cells that formed in good growing conditions
phloem cells that formed in poor growing conditions
phloem cells that formed in good growing conditions
The cones of a gymnosperm that are involved in reproduction during a spring season are a
one-year male cone and a one-year female cone
one-year male cone and a three-year female cone
three-year male cone and a one-year female cone
three-year male cone and a three-year female cone
Which of the following is the BEST description of pollen?
Multicellular male reproductive structure
Multicellular female reproductive structure
Multinucleated male reproductive structure
Multinucleated female reproductive structure
Select the FALSE statement regarding the fertilization process in angiosperms.
A pollen nucleus fertilizes the ovum to produce the embryo
A pollen nucleus causes the ovule to develop and produce fruit
A pollen nucleus fertilizes a polar body to produce the endosperm
A pollen nucleus causes the growth and elongation of the pollen tube
What are the location and function of endosperm?
In a flower to attract pollen
In fruit to protect the embryo
In a seed to feed the embryo
Part of pollen required for fertilization
Which of the following statements about flower parts is CORRECT?
Sepals are photosynthetic
The female parts surround the central male part
Pistils are male parts, while stamens are female parts
The style is the source of energy and fragrance for the flower
What features would you expect to find associated with both a maple and an oak leaf?
Parallel vein pattern and a petiole
Parallel vein pattern, but no petiole
Branching vein pattern and a petiole
Branching vein pattern, but no petiole
What causes leaves to change color and fall from trees?
Increased photosynthesis coupled with a build-up of cells in the petiole
Decreased photosynthesis coupled with a build-up of cells in the petiole
Increased photosynthesis coupled with a deterioration of the cells in the petiole
Decreased photosynthesis coupled with a deterioration of the cells in the petiole
What is the function of a cotyledon?
Store water absorbed by root hairs to use later, when water is less available
Facilitate gas exchange for both photosynthesis and respiration until stomata develop
Promote the growth of roots in a downward direction and the growth of shoots upwards
Provide nutrients to a plant embryo until it can conduct enough photosynthesis to make its own
Which of the following describes a monocotyledon?
Six petals per flower with parallel veins in leaves
Six petals per flower with branching veins in leaves
Twelve petals per flower with parallel veins in leaves
Twelve petals per flower with branching veins in leaves
Which of the following combinations of organisms contains only radially symmetrical animals?
Jellyfish, sponges, and roundworms
Roundworms, hydra, and sea anemones
Sponges, jellyfish, and Portuguese man-o-war
Portuguese man-o-war, roundworms, and flukes
Cephalization MOST ACCURATELY refers to the development of
brain
head
scolex
anterior end
Which pattern of digestive system allows for the greatest organ development?
Sac-like pattern
Tube-like system
Gastrovascular cavity
Intracellular digestion by lysosome activity
Which of the following combinations of organisms contains only sessile animals?
Flukes and tapeworms
Sponges, hydras, and sea anemones
Jellyfishes, planaria worms, and tapeworms
Flukes, tapeworms, and planaria worms
Animals are diploid (2N) and produce gametes that are haploid (N). This statement is
never true
usually true
always true
occasionally true
Sessile aquatic animals are more likely to be
radially symmetrical, have separate sexes and reproduce by mating
radially symmetrical, hermaphroditic and reproduced by broadcasting
bilaterally symmetrical, have separate sexes and reproduce by mating
bilaterally symmetrical, hermaphroditic and reproduce by broadcasting
Which of the following correctly describes the water flow through a sponge?
In and out through the osculum
In and out through the porocytes
In through porocytes and out the osculum
In through the osculum and out through the porocytes
Which of the following is the most complete list of functions that occur by diffusion in a jellyfish?
Excretion and circulation
Respiration and excretion
Respiration and circulation
Respiration, excretion, circulation
Which of the following is true about stinging cells and collar cells?
They are homologous structures associated with the digestive system
Stinging cells are specializations of the ectoderm; collar cells are specializations of endoderm
Collar cells are specializations of the ectoderm; stinging cells are specializations of endoderm
Collar cells are members of colonies of cells; stinging cells are specializations of the ectoderm
What are the functions of a gastrovascular cavity?
Digestion and excretion only
Excretion and circulation only
Digestion and circulation only
Digestion, excretion, and circulation
Which of the following animals has a nerve net?
Sponge
Jellyfish
Planaria
Tapeworm
Which of the following animals is a member of Class Scyphozoa?
Hydra
Sea anemone
Which of the following correctly describes the tissue layers in the animals indicated?
Jellyfish — 2 layers; tapeworm —3 layers; round worm — 3 layers
Jellyfish — 2 layers; tapeworm — 3 layers; round worm — 4 layers
Jellyfish — 2 layers; tapeworm — 2 layers; round worm — 3 layers
Jellyfish — 3 layers; tapeworm — 3 layers; round worm — 4 layers
What system do flame cells and nephridiopores belong to?
Excretory system of planaria
Circulatory system of planaria
Excretory system of roundworms
Circulatory system of roundworms
What is the advantage to a parasitic worm of having multiple hosts during its life cycle?
Finding a mate
Distributing their young
Infecting a wider range of animals
Sampling a wider range of nutrient sources
A parasitic worm that has a dormant stage in a mammal can usually be found in a
cyst
snail
proglottid
A human with a tapeworm most likely got it by consuming
raw snails
unsanitary water
poorly cooked meat
unwashed leafy vegetables
If a pin were poked into a nematode from the outside into the intestine, what would it pass through?
Ectoderm, mesoderm, pseudocoelom, then endoderm
Ectoderm, pseudocoelom, mesoderm, then endoderm
Ectoderm, mesoderm, pseudocoelom, mesoderm, then endoderm.
Ectoderm, mesoderm, endoderm, pseudocoelom, mesoderm, then endoderm
Which of the following best describes the movement of a nematode?
Crawling
Swimming
Ciliated gliding
Whipping back and forth
The development of a coelom is coupled with the earliest specialization of a/an
nervous system
excretory system
circulatory system
respiratory system