Psych 111 Practice Test 2

105 Questions | Total Attempts: 205

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Psych Quizzes & Trivia

Practice Test #2 for Psych. Chapters 3 & 4.


Questions and Answers
  • 1. 
    Structures in the cell bodies that are made up of genes are called:
    • A. 

      Genotypes

    • B. 

      Chromosomes

    • C. 

      Phenotypes

    • D. 

      DNA

  • 2. 
    Complete the Sequence: Human Body -> Cell -> _________ -> __________ -> ___________
    • A. 

      Genes, DNA, Chromosomes

    • B. 

      DNA, Chromosomes, Genes

    • C. 

      Chromosomes, DNA, Genes

    • D. 

      Genes, Chromosomes, DNA

  • 3. 
    How many pairs of chromosomes are in a normal human?
    • A. 

      23

    • B. 

      24

    • C. 

      12

    • D. 

      13

    • E. 

      None of the Above

  • 4. 
    Genes are segments are DNA that are involved in what?
    • A. 

      Determining whether someone is a twin or not

    • B. 

      Estimating heritability

    • C. 

      Genes do nothing

    • D. 

      Producing chemicals that make up the structure of cells and direct their activities

  • 5. 
    According to the Human Genome Project, how many genes do humans approximately have?
    • A. 

      13000

    • B. 

      18000

    • C. 

      30000

    • D. 

      36000

  • 6. 
    Which of the following is not an example of an Allele?
    • A. 

      Dominant Gene

    • B. 

      Recessive Gene

    • C. 

      Genotype

    • D. 

      Red Hair Gene

  • 7. 
    The Phenotype is:
    • A. 

      The combination of two alleles that makes up an organism

    • B. 

      A chemical that gives a specific social response in members of the same species

    • C. 

      Observable physical characteristics resulting from genes and the environment

    • D. 

      A gene that is expressed in the offspring whenever it is present.

  • 8. 
    Bob has the alleles for Blue Hair (Dominant) and Pink Hair (Recessive). Which of the following are true about Bob (check all that apply).
    • A. 

      Bob's Hair Color is Pink

    • B. 

      Bob's Hair Color is Blue

    • C. 

      Bob's Phenotype is Blue

    • D. 

      Bob's Phenotype is Pink

    • E. 

      Bob's Genotype is homozygous

    • F. 

      Bob's Genotype is heterozygous

    • G. 

      Bob probably looks pretty weird

  • 9. 
    The male has two X chromosomes and the Female has an X and Y chromosome.
    • A. 

      True

    • B. 

      False

  • 10. 
    Which of the following statements is genetically correct? (Choose all that apply)
    • A. 

      Asians are superior at Math

    • B. 

      White men can't jump

    • C. 

      Women's brains are dumber than men's brains.

    • D. 

      All of the above

    • E. 

      None of the above

  • 11. 
    Who used Pea Plants to learn about Genotypes and Phenotypes?
    • A. 

      Mendel

    • B. 

      Mendelev

    • C. 

      Luscher

    • D. 

      Karlson

  • 12. 
    Characteristics and disorders involving a number of genes are known as "polygenic"
    • A. 

      True

    • B. 

      False

  • 13. 
    The Egg and Sperm are each individually known as what?
    • A. 

      Reproductive organs

    • B. 

      Zygotes

    • C. 

      Genome

    • D. 

      Gametes

  • 14. 
    The genetic potential of variation from any two human parents is roughly:
    • A. 

      23

    • B. 

      46

    • C. 

      512

    • D. 

      8,000,000

  • 15. 
    Behavioral Genetics methods of study generally focuses on twins and adopted peoples.
    • A. 

      True

    • B. 

      False

  • 16. 
    What does Heritability tell us about?
    • A. 

      The specific genes contributing to a trait

    • B. 

      An estimate of a population's shared characteristics

    • C. 

      The percentage of genes causing a trait in an individual

    • D. 

      The underlying mechanism of a trait

  • 17. 
    A heritability of 1.0 tells us that:
    • A. 

      Genes do not contribute to phenotypical individual differences

    • B. 

      Genes contribute to individual differences as equally as environment does

    • C. 

      Genes are the sole reason for individual differences

  • 18. 
    Cystic Fibrosis has a disease concordance of 100%. In a pair of monozygotic twins, if one twin has cystic fibrosis, the other will have it too.
    • A. 

      True

    • B. 

      False

  • 19. 
    Genes completely dictate who we are
    • A. 

      True

    • B. 

      False

  • 20. 
    How many genes distinguish one race from another?
    • A. 

      -1

    • B. 

      0

    • C. 

      6

    • D. 

      3.14159...

  • 21. 
    Neurons are specialized for which function?
    • A. 

      Thinking

    • B. 

      Storing Information

    • C. 

      Communication

    • D. 

      Playing ice hockey

  • 22. 
    Which of the following is not a function of a neuron?
    • A. 

      Taking in information from neighboring neurons

    • B. 

      Integrating signals

    • C. 

      Passing signals along

    • D. 

      Enzyme deactivation

  • 23. 
    The All-Or-None principle says that the nodes of Ranvier will either fire or they won't.
    • A. 

      True

    • B. 

      False

  • 24. 
    Match the following description with its part of the neuron:Short, branchlike appendages that increase the neuron's receptive field and detect chemical signals from neighboring neurons.
    • A. 

      Dendrites

    • B. 

      Cell Body

    • C. 

      Axon

    • D. 

      Terminal buttons

    • E. 

      Synaptic cleft

    • F. 

      Myelin sheath

    • G. 

      Nodes of Ranvier

  • 25. 
    Match the following description with its part of the neuron:A long, narrow outgrowth that electrical impulses are transmitted along.
    • A. 

      Cell body

    • B. 

      Axon

    • C. 

      Terminal buttons

    • D. 

      Synaptic cleft

    • E. 

      Myelin sheath