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Campbells Biology 12th Edition Ch38 Test Bank Exam Questions and Answers
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Campbells Biology 12th Edition Ch38 Test Bank Exam Questions and Answers
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Campbells Biology 12th Edition Ch38Test Bank Exam Questions and Answers
Which of the following is the correct order of floral organs from the outside to the inside
of a complete flower?
A) petals → sepals → stamens → carpels
B)sepals → stamens → petals → carpels
C)spores → gametes → zygote → embryo
D)sepals → petals → stamens → carpels - Answer-sepals → petals → stamens →
carpels
Arrange the following structures from largest to smallest, assuming that they belong to
two generations of
the same angiosperm.
1. ovary
2. ovule
3. egg
4. carpel
5. embryo sac
A)4, 2, 1, 5, 3
B)5, 4, 3, 1, 2
C)5, 1, 4, 2, 3
D)4, 1, 2, 5, 3 - Answer-4, 1, 2, 5, 3
A summer occupation in maize-growing regions is detasseling the maize: removing
unwanted male
flowers so that female flowers on the same plant are pollinated by the desired pollen for
the hybrid maize.
Which of the following best describes maize plant flowers?
A)They have both stamens and carpels and the plant is dioecious.
B)They have both stamens and carpels and the plant is monoecious.
C)They have either stamens or carpels and the plant is dioecious.
D)They have either stamens or carpels and the plant is monoecious - Answer-D)They
have either stamens or carpels and the plant is monoecious
Which of the following occurs during the alternation of generations in plants?
A meiosis produces gametes
B mitosis produces gametes
C fertilization produces spores
D fertilization produces gametes - Answer-B mitosis produces gametes
Which of the following structures is unique to flowering plants?
A xylem
B seeds
, C fruits
D embryos - Answer-C fruits
Which of the following best describes a selective advantage of retaining the
gametophyte within the living
sporophyte of land plants?
A The gametophyte is able to grow much larger than if it was independent.
B The gametophyte can be raised into the air, exposing it to more light for
photosynthesis.
C Meiosis can now occur in haploid gametophyte cells.
D Nutrients needed for the gametophyte to produce gametes can be provided by the
parent plant. - Answer-D Nutrients needed for the gametophyte to produce gametes can
be provided by the parent plant.
Which of the following best describes how sperm cells are formed in plants?
A meiosis occurs in pollen grains
B meiosis occurs in anthers
C mitosis occurs in male gametophyte
D mitosis occurs in the micropyle - Answer-C mitosis occurs in male gametophyte
A hypothetical dye stains sporophyte tissue blue and gametophyte tissue red. What
would a researcher
most likely observe if a section through the center of a seed was stained with this dye?
A a pure blue sample
B a red center surrounded by blue
C a blue center surrounded by red
D a blue center, surrounded by red, inside a blue exterior - Answer-D a blue center,
surrounded by red, inside a blue exterior
In which of the following pairs of structures are the two terms equivalent?
A ovule-egg
B embryo sac-female gametophyte
C seed-zygote
D microspore-pollen grain - Answer-B embryo sac-female gametophyte
Which of the following is necessary for a generative cell in a pollen grain to produce two
sperm cells?
A a single mitotic division
B a single meiotic division
C two mitotic divisions
D two meiotic divisions - Answer-A a single mitotic division
Which of the following statements regarding flowering plants is correct?
A The gametophyte is the dominant generation.
B Female gametophytes develop from megaspores within the anthers.
C Pollination is the delivery of pollen to the stigma of a carpel.
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