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- 1. Multiple Choice
Examine the picture of the two plants. The plant on the left is the parent plant. The plant on the right is the parent's offspring. The offspring is genetically identical to the parent. How did the parent plant reproduce?
The plant reproduced through asexual reproduction.
There is not enough information to tell how the plant reproduced.
The plant reproduced through sexual reproduction.
The plant reproduced through both asexual and sexual reproduction.
- 2. Multiple Choice
A disadvantage of sexual reproduction is that
it requires less energy
it takes less time.
it decreases genetic variability.
it requires more energy.
- 3. Multiple Choice
If a ferret has 40 chromosomes in body cells, when a ferret's sex cell divides by meiosis, the daughter cells produced each will have _____ chromosomes.
40
60
20
10
- 4. Multiple Choice
The first picture shows a cell in prophase I of meiosis. The second picture shows another stage from the same cell. Which stage of meiosis is shown in the second picture?
telophase I
telophase II
metaphase I
prophase II
- 5. Multiple Choice
Genetic continuity is maintained through asexual reproduction because
each offspring is genetically identical to its parent.
multiple offspring are always produced all at once during asexual reproduction.
crossing over occurs during asexual reproduction.
offspring are genetically similar, but not identical, to their parents.
- 6. Multiple Choice
A student is modeling the process of meiosis. Of the two pictures below, which should he use in the model?
I then II
II then I
I only
II only
- 7. Multiple Choice
The elephant has 56 chromosomes in its body cells. When the elephant's body cells divide by mitosis, how many chromosomes will each daughter cell have?
56
168
28
112
- 8. Multiple Choice
What is produced by the process of meiosis?
Cells that are exact copies of all the other daughter cells.
Cells that are an exact copy of the parent cell.
Cells that contain half of the number of chromosomes present in the parent cell.
Cells that contain the exact number of chromosomes present in the parent cell.
- 9. Multiple Choice
Organisms are able to reproduce either sexually or asexually. Which of the following statements is true of these reproductive processes?
The sorting of genes during sexual reproduction results in a large amount of genetic variation.
During every cell division in sexual reproduction, the number of chromosomes is reduced by half.
The sorting of genes during asexual reproduction results in a large amount of genetic variation.
During every cell division in asexual reproduction, the number of chromosomes is reduced by half.
- 10. Multiple Choice
One advantage of asexual reproduction is that many offspring with traits that are known to be suitable for a particular environment are continuously produced. What is a disadvantage of asexual reproduction?
If the environment changes, the existing traits may no longer be suitable in the new environment.
It is not advantageous to produce many offspring in a new environment.
Asexual reproduction cannot occur for more than five generations within any given population.
A great deal of energy is required for an organism to undergo asexual reproduction.
- 11. Multiple Choice
One cell divides into two during the process of mitosis, as shown in the picture. Which of the following statements is true of mitosis?
Mitosis plays a vital role in an organism's growth.
During the process of mitosis, haploid cells are created.
During the process of mitosis, new organisms are created.
Mitosis plays a vital role in sexual reproduction.
- 12. Multiple Choice
The first picture below shows a cell in prophase I of meiosis. The second picture is another stage from the same cell. Which stage of meiosis is shown in the above picture?
anaphase II
telophase II
metaphase I
metaphase II
- 13. Multiple Choice
Alex is studying a population of fifty organisms that belong to the same species. Some of the organisms have dark spots, some have light spots, some have no spots, and some have stripes. How does this species most likely reproduce?
using asexual reproduction
using both sexual and asexual reproduction
the species does not reproduce
using sexual reproduction
- 14. Multiple Choice
If two organisms reproduce asexually, then they will be able to produce offspring _______ two organisms that reproduce sexually.
more slowly than
at the same rate as
exactly half as fast as
more quickly than
- 15. Multiple Choice
The diagram below depicts a cellular process. The process shown above occurs during
active transport.
diffusion.
asexual reproduction.
sexual reproduction.
- 16. Multiple Choice
How are the processes of mitosis and meiosis similar to each other?
Both processes involve only one division of cellular materials.
Both processes end with the same number of chromosomes present in each cell.
Both processes result in the same number of cells produced.
Both processes begin with similar events, including chromosome replication.
- 17. Multiple Choice
Species that reproduce sexually have greater genetic diversity than species that reproduce asexually. Why is this the case?
Sexual reproduction increases the amount of genetic material in offspring.
Sexual reproduction involves the production of a clone.
Sexual reproduction involves the process of mitosis.
Sexual reproduction involves the random assortment and shuffling of genes.
- 18. Multiple Choice
During sexual reproduction, gametes, or sex cells, are produced through the process of meiosis. How many chromosomes should be in each cell labeled with an X?
8
16
32
4
- 19. Multiple Choice
An organism that reproduces using binary fission, a type of asexual reproduction, creates an identical copy of a cell when
the cell's cytoplasm spontaneously creates a new strand of DNA and the cell divides.
part of the cell breaks off and a completely new strand of DNA is created.
the cell's DNA replicates and the cell divides, giving each cell an identical copy of DNA.
the DNA strand breaks and the cell divides, giving each new cell half of the DNA.
- 20. Multiple Choice
During the process of meiosis, special cells called gametes are formed. Gametes only have half the number of chromosomes that the other cells in the body have. What form of reproduction do organisms that produce gametes use?
binary fission
budding
fragmentation
sexual reproduction
- 21. Multiple Choice
A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle?
The cell's chromosomes separate.
The contents of the cell divide.
The cell prepares for mitosis.
The cell's DNA is replicated.
- 22. Multiple Choice
In the living world, there is a great deal of genetic variation. The genetic information of dogs differs from the genetic information of cats; the genetic information of plants differs from the genetic information of bacteria; the genetic information of a child differs from the genetic information of his or her father; and so on. Which of the following is least likely to be a source of genetic variation among living organisms?
meiosis
sexual reproduction
mutations
asexual reproduction
- 23. Multiple Choice
A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the G2 phase of the cell cycle?
The cell prepares for mitosis.
The cell's chromosomes separate.
The cell's DNA is replicated.
The contents of the cell divide.
- 24. Multiple Choice
Bacteria, many plants, protists, and simple animals are able to reproduce asexually. Which of the following is an advantage of asexual reproduction over sexual reproduction?
Asexual reproduction takes more energy to perform than sexual reproduction.
Asexual reproduction causes the gene pool of a species to rapidly change.
Asexual reproduction allows organisms to produce many offspring in a short period of time.
Asexual reproduction enables a single organism to produce both eggs and sperm.
- 25. Multiple Choice
Which of the following biological processes only occurs in organisms that are able to reproduce sexually?
fermentation
cellular respiration
binary fission
meiosis
- 26. Multiple Choice
Cardinals reproduce sexually. Many types of fungi can reproduce asexually by producing spores. A fungus does not need to _______ to reproduce, but a cardinal does.
expend energy
find food
reach maturity
find a mate
- 27. Multiple Choice
Mitosis is a type of cell division that produces cells that are used for growth and repair. Meiosis is a different type of cell division that produces sex cells used for sexual reproduction. Based on the information provided, which of the following is a difference between mitosis and meiosis?
Mitosis produces cells that are identical to the parent cell, while meiosis produces cells that carry twice as much genetic material as the parent cell.
Mitosis produces cells that carry half of the genetic material of the parent cell, while meiosis produces cells that are identical to the parent cell.
Mitosis produces cells that are identical to the parent cell, while meiosis produces cells that carry half of the genetic material of the parent cell.
Mitosis produces cells that carry twice as much genetic material as the parent cell, while meiosis produces cells that identical to the parent cell.
- 28. Multiple Choice
When new cells are formed through the process of mitosis, the number of chromosomes in the new cells
remains the same as in the parent cell.
increases every time the cell divides.
decreases every time the cell divides.
is half of that of the parent cell.
- 29. Multiple Choice
Which of the following is a disadvantage of sexual reproduction?
Most species that reproduce sexually are unable to adapt.
Most species that reproduce sexually require a mate.
Most sexually-reproducing organisms reproduce too quickly.
Most sexually-reproducing organisms are genetically-unique.
- 30. Multiple Choice
What is the main function of meiosis?
to produce more body cells within an organism
to produce more embryonic cells following fertilization
to produce gametes for sexual reproduction
to produce a clone of an organism in asexual reproduction
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