Bio Semester II Review (1 Of 3)
- 1.What do we call individuals that are heterozygous for a disorder, but do not have the disorder?
- A.
Recessives
- B.
Homozygous
- C.
Phenotypes
- D.
Carriers
- 2.A phenotype of an organism…
- A.
Represents its genetic composition.
- B.
Occurs only in dominant pure organisms.
- C.
Is the physical appearance of a trait.
- D.
Cannot be seen.
- 3.The founder of the theory of evolution by natural selection is…
- A.
Gregor Mendel
- B.
Jean Baptiste Lamarck
- C.
Charles Darwin
- D.
Carl Linnaeus
- 4.The change in a species over time is known as…
- A.
Mutation
- B.
Natural selection
- C.
Camouflage.
- D.
Evolution
- 5.Natural selection can best be defined as the…
- A.
Survival and reproduction of the organisms that occupy the largest area
- B.
Survival and reproduction of the organisms that are well-suited to the environment
- C.
Elimination of the smallest organism by the biggest organisms.
- D.
Survival of the biggest and strongest organisms in a population
- 6.Natural selection causes the frequency of favorable alleles to…
- A.
Increase in a population
- B.
Decrease in a population
- C.
Remain constant in a population
- D.
Decrease and then increase in a population
- 7.How many pairs of chromosomes do humans have?
- A.
25 pairs
- B.
23 pairs
- C.
46 pairs
- D.
22 pairs
- 8.Who is considered to be the father of modern genetics?
- A.
Charles Darwin
- B.
Gregor Mendel
- C.
Carl Linnaeus
- D.
Hans Krebs
- 9.A scientific name consists of both the…
- A.
Class and order.
- B.
Kingdom and phylum
- C.
Genus and species.
- D.
Family and class
- 10.All plants are considered to be…
- A.
Heterotrophs.
- B.
Autotrophs
- C.
unicellular
- D.
Parasites
- 11.An organism that is incapable of making its own food and therefore, must feed upon organic compounds produced by other organisms is known as a(n)…
- A.
Autotroph.
- B.
Protist
- C.
Producer
- D.
Heterotroph
- 12.The chemical formula for glucose is…
- A.
H14CO2
- B.
C6H12O6
- C.
C8H12O8
- D.
H12O6C12
- 13.The passing of traits from parents to offspring is called…
- A.
Mitosis
- B.
Heredity
- C.
Maturation.
- D.
Puberty
- 14.In humans, the pelvis and femur (thigh bone) are involved in walking. In whales, the pelvis and femur are not used and are therefore…
- A.
Vestigial structures
- B.
Examples of fossils
- C.
Examples of genetic variation.
- D.
Acquired traits
- 15.Which kingdom is comprised of unicellular prokaryotes that live in extreme conditions.
- A.
Archea
- B.
Eubacteria
- C.
Protist
- D.
Fungi
- 16.Which kingdom is largely comprised of unicellular eukaryotes?
- A.
Archaebacteria
- B.
Protist
- C.
Eubacteria
- D.
Fungi
- 17.A mother is a carrier and her husband is color-blind. What percentage of their daughters will be colorblind? What percentage of their sons will be colorblind?
- A.
0; 0
- B.
50; 0
- C.
0; 50
- D.
50; 50
- 18.A heterozygous purple plant is crossed with another heterozygous purple plant. What percentage of their offspring will be purple (dominant)?
- A.
0
- B.
25
- C.
50
- D.
75
- E.
100
- 19.A purple-flowered, tall plant (AaBB) is crossed with a purple-flowered, short plant (Aabb). Out of 16 offspring, how many would you expect to be purple, tall?
- A.
0
- B.
4
- C.
8
- D.
12
- E.
16
Questions: 16 | Attempts: 52363 | Last updated: Aug 20, 2021
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Sample QuestionWhat is the function of a cell wall?
Questions: 10 | Attempts: 51713 | Last updated: Dec 22, 2021
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Sample QuestionA Cell builds it's proteins from the Instructions encoded inits _________?
Questions: 40 | Attempts: 44333 | Last updated: Jul 15, 2021
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Sample QuestionAll cells contain which of the following:
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