Bio Semester II Review (1 Of 3)

19 Questions | Total Attempts: 645

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Biology Quizzes & Trivia

Questions and Answers
  • 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

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