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1. Asexual reproduction is
A
when a new organism is produced from one organism.
B
when the chromosomes are copied.
C
when a new organism is produced from two organisms.
2. Meiosis:
A
involves two divisions.
B
is a shorter version of mitosis.
C
is just backwards compared to mitosis.
3. Which of the following is true regarding interphase?
A
Chromatids separate during this phase
B
The cell cytoplasm divides
C
It is the longest phase of cell division
4. During which phase of mitosis do spindle network pull the chromosomes to opposite poles of the cell?
A
prophase
B
metaphase
C
anaphase
5. Cell division is important because:
A
dead or injured cells need to be replaced
B
you need more cells to grow
C
all of these
6. Meiosis helps reproduction of cells by:
A
producing sex cells with half the amount of chromosomes required.
B
dividing the spindle fibers.
C
keeping the chromosomes in a line.
7. The process of cell division which forms cells having the same number of chromosomes as the parent cell is:
A
fertilization
B
meiosis
C
mitosis
8. The process of cell division which forms cells having the half the number of chromosomes as the parent cell is:
A
cytokinesis
B
mitosis
C
meiosis
9. The number of chromosomes in all human gametes is:
A
46
B
23
C
12
10. . The resting phase that is not part of cell division is called:
A
anaphase
B
metaphase
C
interphase
11. The correct of stages of mitosis is:
A
prophase, telophase, metaphase, anaphase
B
anaphase, metaphase, interphase
C
prophase, metaphase, anaphase, telophase
12. The disappearance of the nuclear membrane is a sign of the stage called:
A
telophase
B
prophase
C
metaphase
13. One difference between mitosis and meiosis is that:
A
there are 2 daughter cells in mitosis and 4 in meiosis
B
they are both forms of cell division
C
mitosis makes gametes but meiosis doesn't
14. The formation of a new human follows these processes:
A
mitosis, fertilization, cytokinesis
B
meiosis, fertilization, mitosis
C
meiosis, interphase, mitosis
15. Most of the cell's life cycle is spent in which phase?
A
cytokinesis
B
mitosis
C
Interphase
16. The growth of an organism requires
A
Meiosis
B
neither
C
Mitosis
17. Replacement of dead cells requires...
A
mitosis
B
meiosis
C
fertilization
18. The formation of an embryo requires
A
both meiosis and mitosis
B
mitosis
C
meiosis
19. Creation of reproductive cells (gametes) requires...
A
Meiosis
B
Mitosis
C
neither of these
20. How many daughter cells are produced by mitosis?
A
2
B
4
C
6
21. In this phase, a nuclear membrane begins to form around two new nuclei.
A
Prophase
B
Telophase
C
Anaphase
22. During metaphase, chromosomes are...
A
Single-stranded
B
Uncoiling
C
Double-stranded
23. Identical halves of a chromosomes are called?
A
Centromere
B
Chromatids
C
Daughter cells
24. After mitosis the number of chromosomes in the newly created cells will be:
A
Half the number of the original cell
B
Twice as much as the original cell
C
The same number as the original cell
25. Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
A
In order for the DNA to be contained in the nucleus
B
In order for the genetic information to be duplicated and transferred into daughter cells
C
In order for the cell to be able to increase in size
26. The ___________ pulls the sister chromatids apart during mitosis or meiosis 2
A
spindle fibers
B
cell plate
C
centromere
27. An example of a somatic (body) cell is
A
skin cell
B
egg cell
C
gamete
28. What causes cells to differentiate?
A
the activation of specific genes
B
the activation of specific tissues
C
the activation of specific amino acids
29. Which statement describes a characteristic of both sexual and asexual reproduction?
A
two parents are required
B
both result in genetically unique offspring
C
new cells are produced
30. Which of the following examples of differentiation is defined as a group of similar cells working together to perform a specific function?
A
organ
B
tissue
C
organelle