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Pre-Test
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1
Which of the following is not a component of a flower?
A)Sepal
B)Petal
C)Carpel
D)Stamen
E)All of the choices are components of a flower
2
Which of the following is not a result of developmental genes controlling flower structure? Developmental genes
A)determine the variation in the number of whorls.
B)account for the variation in flower fragrances.
C)account for the variation in flower color.
D)determine the rate of development of the calyx.
E)account for the variation in flower shape.
3
The pollen wall of a mature pollen grain is composed primarily of which one of the following polymers?
A)Cellulose
B)Callose
C)Lignin
D)Sporopollenin
E)Flavenoids
4
True or False: Seeds contain dormant plant embryos and may become seedlings under appropriate conditions.
A)True
B)False
5
The production of plant embryos from somatic plant cells is known as
A)somatic reproduction.
B)embryogenesis.
C)somatic embryogenesis.
D)embryonic somatacism.
E)plant embryos cannot develop from somatic plant cells.





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