BIO 1040 TEST QUESTIONS AND ANSWERS
LATEST UPDATE
What is thought to have played the most important role in restricting the
colonization of land by the first land plants?
The first land plants produced swimming sperm cells that needed water to reach eggs.
In plant biology, the phrase "alternation of generations" most correctly means
that . . .
A. some plants can switch between sexual & asexual reproduction during their
life cycles.
B. many plants have both a haploid life form and a diploid life form that are both
required for sexual reproduction.
C. many plants produce a gametophyte life form that mates with a sporophyte life
form.
D. most plants have both a haploid gametophyte stage and a diploid sporophyte
stage that exist during their life cycles.
E. most plants are able to alternate between producing male reproductive
structures & female reproductive structures.
most plants have both a haploid gametophyte stage and a diploid sporophyte stage that
exist during their life cycles.
3. Technically speaking (botanically or biologically), which of the following
statements about the various parts of plants is true (or correct)?
A. An onion bulb is a type of stem.
B. A sunflower seed is a type of fruit.
C. A celery stalk is a type of stem.
D. A potato tuber is a type of root.
E. None of the above (i.e. all are false).
A sunflower seed is a type of fruit.
Monocot leaf shapes are
long and narrow
5. Plants can sense and actively respond to all of the following except . . .
A. the availability of soil water.
B. the electrochemical activity of nearby plants.
C. the changing seasonal period of daylight.
D. tissue damage from herbivores and pathogens.
E. the different wavelength(s) of available sunlight.
the electrochemical activity of nearby plants.
The pollination of most angiosperms is carried out primarily by _______.
- water
,- wind
- bright, attractive flowers
- birds, bats, and insects
- small mammals
birds, bats, and insects
How does caffeine in the nectar of some plants help ensure pollen transfer
between members of the same species?
A. Caffeine enhances the memory of birds for the scent of that particular nectar.
B. Caffeine changes the viscosity of the nectar, making it more likely to adhere to
pollinators.
C. Caffeine enhances the memory of honeybees for the scent of that particular
nectar.
D. Caffeine is toxic to most pollinators, enabling only the preferred species to
pollinate.
E. Caffeine speeds up the metabolism of the pollinators, enabling them to visit
more plants.
Caffeine enhances the memory of honeybees for the scent of that particular nectar.
Which of the following events helped create the "coal forests" of the
Carbiniferous era?
A. Plants fixed smaller amounts of CO2 into organic matter, increasing CO2 levels
in the atmosphere, which led to global cooling.
B. Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in
the atmosphere, which led to global cooling.
C. Plants fixed smaller amounts of CO2 into organic matter, increasing CO2 levels
in the atmosphere, which led to global warming.
D. Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in
the atmosphere, which led to global warming.
E. Plants fixed large amounts of CO2 into organic matter, increasing CO2 levels in
the atmosphere, which led to global warming.
Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in the
atmosphere, which led to global cooling.
Which of the following best summarizes how fertilization occurs in mosses?
A. A single-celled spore is dispersed by wind and is fertilized by a sperm.
B. A single-celled spore is dispersed by animals and is fertilized by a sperm.
C. Haploid eggs float through water to reach sperm.
D. Haploid sperm swim through a film of water to reach the egg.
E. Haploid sperm are dispersed by wind to reach the egg.
Haploid sperm swim through a film of water to reach the egg.
The plant life cycle is characterized by alternation of generations. The
gametophyte generation produces _______. The sporophyte generation produces
_______. The ______ generation undergoes meiosis.
A. gametes: spores; gametophyte
, B. spores: gametes; sporophyte
C. spores: gametes; gametophyte
D. gametes: zygotes; sporophyte
E. gametes: spores; sporophyte
gametes: spores; sporophyte
Sugars are transported throughout most plants by which of the following?
A. hyphae
B. phloem tissue
C. meristems
D. xylem tissue
E. sporangia
phloem tissue
Which of the following statements is NOT true of bryophytes?
A. They produce seeds.
B. Their embryos are retained on the parent plant.
C. They are nonvascular.
D. They lack true roots and leaves.
E. They have apical meristems.
They produce seeds.
In gymnosperms, which of the following must occur after pollination in order for
fertilization to take place?
A. The ovule must grow a channel to receive the sperm nucleus.
B. Each ovule must produce a seed.
C. The pollen grain must grow a tube to release the sperm nucleus into the ovule.
D. The ovule must develop a seed coat.
E. The anther must release pollen into the stigma.
The pollen grain must grow a tube to release the sperm nucleus into the ovule.
When you come home from a hike with burrs attached to your hiking socks, you
are doing a favor for the plant from which the burrs came. What is the favor?
A. dispersing the plant's seeds
B. promoting fertilization of the plant
C. removing seeds from potential predators
D. reducing leaf clutter on the forest floor
E. protecting the plant from consumption
dispersing the plant's seeds
Which parts of a plant have apical meristems?
A. leaves
B. roots only
C. roots and stems
D. stems only
E. flowers
LATEST UPDATE
What is thought to have played the most important role in restricting the
colonization of land by the first land plants?
The first land plants produced swimming sperm cells that needed water to reach eggs.
In plant biology, the phrase "alternation of generations" most correctly means
that . . .
A. some plants can switch between sexual & asexual reproduction during their
life cycles.
B. many plants have both a haploid life form and a diploid life form that are both
required for sexual reproduction.
C. many plants produce a gametophyte life form that mates with a sporophyte life
form.
D. most plants have both a haploid gametophyte stage and a diploid sporophyte
stage that exist during their life cycles.
E. most plants are able to alternate between producing male reproductive
structures & female reproductive structures.
most plants have both a haploid gametophyte stage and a diploid sporophyte stage that
exist during their life cycles.
3. Technically speaking (botanically or biologically), which of the following
statements about the various parts of plants is true (or correct)?
A. An onion bulb is a type of stem.
B. A sunflower seed is a type of fruit.
C. A celery stalk is a type of stem.
D. A potato tuber is a type of root.
E. None of the above (i.e. all are false).
A sunflower seed is a type of fruit.
Monocot leaf shapes are
long and narrow
5. Plants can sense and actively respond to all of the following except . . .
A. the availability of soil water.
B. the electrochemical activity of nearby plants.
C. the changing seasonal period of daylight.
D. tissue damage from herbivores and pathogens.
E. the different wavelength(s) of available sunlight.
the electrochemical activity of nearby plants.
The pollination of most angiosperms is carried out primarily by _______.
- water
,- wind
- bright, attractive flowers
- birds, bats, and insects
- small mammals
birds, bats, and insects
How does caffeine in the nectar of some plants help ensure pollen transfer
between members of the same species?
A. Caffeine enhances the memory of birds for the scent of that particular nectar.
B. Caffeine changes the viscosity of the nectar, making it more likely to adhere to
pollinators.
C. Caffeine enhances the memory of honeybees for the scent of that particular
nectar.
D. Caffeine is toxic to most pollinators, enabling only the preferred species to
pollinate.
E. Caffeine speeds up the metabolism of the pollinators, enabling them to visit
more plants.
Caffeine enhances the memory of honeybees for the scent of that particular nectar.
Which of the following events helped create the "coal forests" of the
Carbiniferous era?
A. Plants fixed smaller amounts of CO2 into organic matter, increasing CO2 levels
in the atmosphere, which led to global cooling.
B. Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in
the atmosphere, which led to global cooling.
C. Plants fixed smaller amounts of CO2 into organic matter, increasing CO2 levels
in the atmosphere, which led to global warming.
D. Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in
the atmosphere, which led to global warming.
E. Plants fixed large amounts of CO2 into organic matter, increasing CO2 levels in
the atmosphere, which led to global warming.
Plants fixed large amounts of CO2 into organic matter, reducing CO2 levels in the
atmosphere, which led to global cooling.
Which of the following best summarizes how fertilization occurs in mosses?
A. A single-celled spore is dispersed by wind and is fertilized by a sperm.
B. A single-celled spore is dispersed by animals and is fertilized by a sperm.
C. Haploid eggs float through water to reach sperm.
D. Haploid sperm swim through a film of water to reach the egg.
E. Haploid sperm are dispersed by wind to reach the egg.
Haploid sperm swim through a film of water to reach the egg.
The plant life cycle is characterized by alternation of generations. The
gametophyte generation produces _______. The sporophyte generation produces
_______. The ______ generation undergoes meiosis.
A. gametes: spores; gametophyte
, B. spores: gametes; sporophyte
C. spores: gametes; gametophyte
D. gametes: zygotes; sporophyte
E. gametes: spores; sporophyte
gametes: spores; sporophyte
Sugars are transported throughout most plants by which of the following?
A. hyphae
B. phloem tissue
C. meristems
D. xylem tissue
E. sporangia
phloem tissue
Which of the following statements is NOT true of bryophytes?
A. They produce seeds.
B. Their embryos are retained on the parent plant.
C. They are nonvascular.
D. They lack true roots and leaves.
E. They have apical meristems.
They produce seeds.
In gymnosperms, which of the following must occur after pollination in order for
fertilization to take place?
A. The ovule must grow a channel to receive the sperm nucleus.
B. Each ovule must produce a seed.
C. The pollen grain must grow a tube to release the sperm nucleus into the ovule.
D. The ovule must develop a seed coat.
E. The anther must release pollen into the stigma.
The pollen grain must grow a tube to release the sperm nucleus into the ovule.
When you come home from a hike with burrs attached to your hiking socks, you
are doing a favor for the plant from which the burrs came. What is the favor?
A. dispersing the plant's seeds
B. promoting fertilization of the plant
C. removing seeds from potential predators
D. reducing leaf clutter on the forest floor
E. protecting the plant from consumption
dispersing the plant's seeds
Which parts of a plant have apical meristems?
A. leaves
B. roots only
C. roots and stems
D. stems only
E. flowers
