2011 2nd Nine Weeks SCIENCE Benchmark Study Guide
Match the following flower parts with their function:
1. Stamen
a. Contains the egg
2. Filament
b. Traps pollen
3. Ovary
c. Whole female part of the flower
4. Stigma
d. Tube where pollen travels
5. Sepal
e. Supports the anther
6. Style
f. Makes pollen
7. Pistil
g. Whole male part of the flower
8. Anther
h. Protects the flower bud
9. Label the following flower diagram:
A
B
G
C
A.
B.
C.
D.
E.
F.
G.
F
E
D
10. Give two examples of an organism’s genotype.
a.
b.
11. List three examples of heterozygous genotypes.
a.
b.
c.
12. List three examples of homozygous genotypes.
a.
b.
c.
13. Give two examples of human phenotypes.
a. b.
14. Bb and Aa are examples of _________________ genotypes.
15. BB and bb are examples of _________________ genotypes.
Use Punnett squares to complete the following three crosses:
16. Aa x AA
17. AA x aa
18. Aa x Aa
19. In #16, what is the probability that the offspring will have a dominant trait in their genotype?
20. In #17, what is the probability that the offspring will have a recessive trait in their genotype?
21. In #18, what is the probability that the offspring will have a dominant trait in their genotype?
22. Circle the correct answer in parenthesis. Sex cells have (half, the same, double) the
number of chromosomes as regular body cells.
23. If an organism has 24 chromosomes, how many chromosomes will be in a sperm or egg
cell?
a. 0
c. 24
b. 12
d. 48
24. In horses, black hair is dominant (B) and grey hair is recessive (b). If a heterozygous male
horse (Bb) fertilizes a homozygous dominant female horse (BB), what are the possible
genotypes and phenotypes of the offspring? Draw a Punnett square to help solve the
problem.
25. From the situation above, what is the probability the offspring will be black?
26. From the situation above, what is the probability the offspring will be grey?
____27.
____28.
____29.
____30.
____31.
32.
33.
Mineral
Luster
Streak
Hardness
Cleavage
a. how a mineral breaks
b. a mineral’s resistance to scratch
c. inorganic solid with a crystalline structure
d. the color of a mineral in powdered form
e. if a mineral is shiny or dull
A mineral that contains silicon and oxygen is called a __________________ mineral.
A mineral that does not contain silicon and oxygen is called a _______________ mineral.
34. A dominant trait is represented by a capital letter. T or F
35. Draw and label the processes of the Carbon Cycle.