Biology Mid Term – Flashcards

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question
In angiosperms, pollen grains are produced in what?
answer
Anthers
question
Name the parts of the female structure of a flower.
answer
Style Stigma Ovary
question
What are the specialized leaves of a flower that do not produce gametophytes called?
answer
Carpel and Stamens
question
When a pollen grain lands on the stigma of a flower of the same species, what is produced?
answer
Pollen Tube
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In angiosperms, are pollen grains haploid or diploid?
answer
Haploid
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In angiosperms, are pollen grains made when haploid spores undergo mitosis or meiosis?
answer
Mitosis
question
How many nuclei are contained within an angiosperm embryo sac?
answer
eight
question
In what way is fertilization different in angiosperms than in other plants?
answer
Two fertilization events take place in angiosperms, producing a zygote and endosperm.
question
In angiosperms, flowers are adaptations for reproduction. How would you describe flowers that are pollinated by animals?
answer
Brightly colored Produce nectar to attract pollinators Pollinate more efficiently than wind-pollinated plants.
question
In angiosperms, a zygote and endosperm form as a result of what?
answer
double fertilization
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What structure forms during angiosperm fertilization but does not form during fertilization among other types of plants?
answer
A Triploid cell
question
When a plant reproduces vegetatively, how are offspring produced?
answer
By Mitosis alone
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Is grafting similar to sexual reproduction? How is it different?
answer
Yes, similar, except that it takes place between two different species.
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How can vegetative reproduction be a disadvantage?
answer
When conditions in the physical environment suddenly change.
question
When plants are dormant, what type of reproduction works best?
answer
Grafting
question
For a successful graft, the two plants involved should be dormant, herbaceous, similar or closely related?
answer
Closely related
question
In angiosperms, the ovary surrounds seeds in what structure?
answer
Fruit
question
Which of the following correctly lists the terms in order from smallest to largest? Fruit, Seed, Embryo
answer
Embryo, Seed, Fruit
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