Honors Biology
Practice Questions #1
____1. Donkeys have 68 chromosomes in each body
cell. If a donkey cell undergoes meiosis, how many
chromosomes should be in each gamete?
A.
B.
C.
D.
18
34
68
132
_____2. A sperm cell from a rabbit contains 10
chromosomes. How many chromosomes does a skin
cell from a rabbit contain?
A.
B.
C.
D.
5
10
20
35
_____3. In humans, the fusion of an egg cell and sperm
cell results in the formation of a
A.
B.
C.
D.
Haploid cell
Polyploidy cell
Zygote
Cotyledon
_____4. Mitosis produces cells with a ____ number of
chromosomes.
A.
B.
C.
D.
Haploid
Diploid
Different
Random
_____5. Meiosis can be described as
A.
B.
C.
D.
1 division & 4 cells
2 divisions & 2 cells
1 division & 2 cells
2 divisions & 4 cells
Name ___________________________________
_____6. Seastars have a diploid number of 24
chromosomes. The haploid number would be
A.
B.
C.
D.
6
12
24
48
_____7. The only haploid cells present in humans are
A.
B.
C.
D.
Sperm & Cells
Sperm & Skin
Skin & Liver
Egg & Sperm
_____8. A blood cell extracted from an unknown
creature has 84 chromosomes. How many would be
present in an egg cell?
A.
B.
C.
D.
84
42
168
Can’t tell
_____9. After fertilization an embryo develops into a
zygote through many cell divisions. If the sperm and
egg each contain 8 chromosomes, how my
chromosomes are contained within the zygote?
A.
B.
C.
D.
4
8
16
32
_____10. The replication of DNA occurs
A.
B.
C.
D.
during interphase
during telophase
during prophase of mitosis
during prophase of meiosis
_____11. Mitosis occurs
A.
B.
C.
D.
only in gamete cells
in somatic cells
only when an organism makes repairs to cells
as part of active transport
__B___15. The diagram below provides information
about a carrot cell.
_____12. Which cell process occurs only in organisms
that reproduce sexually?
A.
B.
C.
D.
meiosis
mutation
replication
mitosis
_____13.
What is the correct sequence for plant cell mitosis?
A.
B.
C.
D.
A, B, D, C
C, B, A, D _
B, A, D, C
D, C, B, A
_____14. Which of the following phases is the
first step in mitosis?
A.
B.
C.
D.
Anaphase
Metaphase
Prophase _
Telophase
A carrot cell contains 18 chromosomes. Which of the
following diagrams illustrates the correct number of
chromosomes in new cells produced by mitosis?