Biodiversity Unit Practice Test
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Will go over topics such as: Biotechnology, Artifical and Natural Selection, Vocabulary, Extinction and Extirpation, Overspecialization, Symbiosis, Genetic Traits (Inheritated and Heritated Characteristics), Asexual and Sexual Reproduction, DNA and the Genetic Code, Genes, Cell Division (Mitosis and Meiosis), and Dominant and Recessive Traits.
- 1.What is extinction?
- A.
The disappearance of every individual of a species form the entire planet
- B.
A local extinction, or the disappearance of a species from a particular area
- C.
Variation within species
- D.
Overspecialization
- 2.Some causes of species extinciton: I Disease II Overharvesting III Loss of habitat IV Natural Disasters Which causes of species extinction are most directly related to human activities?
- A.
I and III
- B.
I and IV
- C.
II and III
- D.
II and IV
- 3.A benefit of asexual reproduction is that it....
- A.
Produces many offspring
- B.
Increases genetic diversity
- C.
Increases species diversity
- D.
Requires specialized structures
- 4.Labrador retrievers have 78 chromosomes in each of their muscles. ------------------------------------------------------------------------------------------------ Which biological process ensures that a male Labrador retriever's sperm cells will each have 39 chromosomes?
- A.
Mitosis
- B.
Meiosis
- C.
Selective breeding
- D.
Artificial selection
- 5.A plant that produced red flowers was mated with a plant that produced white flowers, the resulting offspring produced only red flowers. A conclusion that can be drawn from this experiment is that the white flower trait is...
- A.
Dominant and no longer part of the offspring's DNA
- B.
Recessive and no longer part of the offspring's DNA
- C.
Dominant and still part of the offspring's DNA
- D.
Recessive and still part of the offspring's DNA
- 6.Which of the following heritable traits cannot be influenced by the environment?
- A.
Height
- B.
Weight
- C.
Skin colour
- D.
Earlobe attachment
- 7.What type of sexual reproduction is mitosis?
- A.
Asexual
- B.
Sexual
- C.
All of the above
- D.
None/ not listed
- 8.What type of sexual reproduction is meiosis?
- A.
Asexual
- B.
Sexual
- C.
All of the above
- D.
None/ not listed
- 9.What is the number of divisions that occur in the process of mitosis?
- A.
1
- B.
2
- C.
4
- D.
0
- 10.What is the number of divisions that occur in the process of meiosis?
- A.
1
- B.
2
- C.
4
- D.
0
- 11.
- A.
Population
- B.
Species
- C.
Community
- D.
Resource partitioning
- 12.In the forest, there are a great population of moose that mate and create many offspring. Which of these answers best describes this relationship/situation?
- A.
Species
- B.
Population
- C.
Community
- D.
Niche
- 13.In the rain forest, there are several tropical birds, frogs, spider monkeys and tree snails. This relationship is best desribed as a...
- A.
Community
- B.
Species
- C.
Area partitioning
- D.
Population
- 14.A tapeworm enters into the stomach of a human and consumes all the nutrients. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
- 15.Two seagulls mate to reproduce. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
- 16.Many fish swim closely to a whale, seagulls use this whale to catch food. This is described as....
- A.
Parasitism
- B.
Mutualism
- C.
Commensalism
- D.
Resource partitioning
- 17.Select the four types of asexual reproduction.
- A.
Binary fission
- B.
Budding
- C.
Spore production
- D.
Vegetative reproduction
- E.
Gamete cells
- F.
Fertilization
- 18.A single celled organism splits its cell into 2 cells and both are identical. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
- 19.A parent organism produces a bud, which then overtime detaches from the parent and becomes an individual. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
- 20.One parent plant produces several offspring, each growing into a new individual, being identical to the parent. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
- 21.No seeds are involved, this reproduction includes cuttings, runners, suckers and tuber. What type of asexual reproduction is this?
- A.
Binary fission
- B.
Budding
- C.
Spore reproduction
- D.
Vegetative reproduction
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