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1
Annual plants continue to grow indefinitely after flowering.
A)True
B)False
2
The perianth consists of the calyx and corolla of the flower.
A)True
B)False
3
Vegetables such as tomatoes and cucumbers are considered fruits whereas broccoli and celery are not.
A)True
B)False
4
Seeds that are dispersed by water will have plumes and wooly hairs.
A)True
B)False
5
Grain seeds have two cotyledons, a hilium, and a micropyle to protect the embryo.
A)True
B)False
6
Seeds that need scarification can be placed in cold damp sand to break dormancy.
A)True
B)False
7
The oldest known seeds are 120 years old.
A)True
B)False
8
Which of the following is NOT a feature of monocots?
A)flower parts in threes
B)vascular cambium present
C)seed with one cotyledon
D)scattered vascular bundles
9
Which of the following is NOT a flower part?
A)hilum
B)coleoptile
C)endocarp
D)all of the above
E)none of the above
10
In which of the following structures do pollen grains develop?
A)anther
B)stigma
C)ovule
D)carpal
11
What name is given to fleshy fruits that have a single seed in a hard, stony endocarp?
A)berry
B)pome
C)drupe
D)hesperidium
12
Another name for the skin of fruit is
A)capsule.
B)exocarp.
C)pericarp.
D)none of the above.
13
A sunflower seed is an example of which type of fruit?
A)silique
B)legume
C)follicle
D)none of the above
14
Which one of the following is an example of a caryopsis?
A)wheat
B)acorns
C)grapes
D)all of the above
15
Fruits containing trapped air are adapted for what type of dispersal?
A)wind
B)animals
C)water
D)mechanical ejection
16
What is the name given to the food-storage tissue that surrounds the embryo in a dicot seed?
A)coleorhiza
B)cotyledon
C)radicle
D)plumule
17
Which of the following is a mechanism for breaking dormancy in seeds?
A)scarification
B)after-ripening
C)stratification
D)all of the above
18
What is the role of light in the germination of lettuce seeds?
A)it stimulates imbibition
B)it inactivates germination inhibitors
C)it stimulates photosynthesis
D)it increases germination temperature.





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