Biology Exam: MCQ Ultimate Quiz!

40 Questions | Total Attempts: 78

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Biology Exam: MCQ Ultimate Quiz!

Biology exam: MCQ ultimate quiz! Biology is the study of living things. It helps explain the processes that go on within the living creatures and how they behave in the environment they live in. Do you know how many systems exist in the human body and some of the threats the body faces from the environment. Do take up this quiz and see how much you know about living things.


Questions and Answers
  • 1. 
    Genes make up?
    • A. 

      DNA material

    • B. 

      Protein

    • C. 

      Genetic code

  • 2. 
    DNA is:
    • A. 

      Is inherit pass on to our offspring

    • B. 

      Transcription and translation of a gene to a protein DNA mutation.

    • C. 

      Genetic material: DNA structure and DNA replication

  • 3. 
    Genetic code:
    • A. 

      DNA offspring

    • B. 

      Transcription and translation of a gene to a protein DNA mutation.

    • C. 

      Make protein

  • 4. 
    How many codes are in our genes?
    • A. 

      200,000

    • B. 

      3,200,000, million

    • C. 

      5 million

  • 5. 
    DNA Polymers are:
    • A. 

      Adenine(A) Cytosine(C) guanine(G) Thymine(T)

    • B. 

      Adenine(A) Cytosine(C) guanine(G) Uracil(U)

  • 6. 
    RNA is:
    • A. 

      Adenine(A) Cytosine(C) guanine(G) Uracil(U)

    • B. 

      Adenine(A) Cytosine(C) guanine(G) Thymine(T)

  • 7. 
    Purines are:
    • A. 

      Have a single ring structure, contains Thymine and Cytosine

    • B. 

      Have double ring structure and have Adenine and Guanine

  • 8. 
    DNA are Double or Single helix molecules?
    • A. 

      Single

    • B. 

      Double

  • 9. 
    DNA Replication is?
    • A. 

      Begins at specific sites called orgins of replication

    • B. 

      Replication of DNA helix has one new strand and one old strand. Doubles DNA! Ends up with identical daughter molecules of DNA

    • C. 

      DNA replication occurs in both directions simultaneity in the 5' to 3' direction.

  • 10. 
    Polymerases are:
    • A. 

      Are double stranded

    • B. 

      Link newly formed DNA fragments together.

    • C. 

      Enzymes- bases to growing strands and proof read their work

  • 11. 
    DNA ligases are:
    • A. 

      Enzymes- bases to growing strands and proof read their work

    • B. 

      Link newly formed DNA fragments together.

    • C. 

      Are double stranded

  • 12. 
    Transcription is:
    • A. 

      The first process. Means to copy DNA.

    • B. 

      Translated code

    • C. 

      Not making the right proteins

  • 13. 
    Translation is:
    • A. 

      Not making the right proteins

    • B. 

      The first process. Means to copy DNA.

    • C. 

      Translated code

  • 14. 
    Mutations:
    • A. 

      Not making the right proteins

    • B. 

      Translated code

    • C. 

      Not making the right proteins

  • 15. 
    How many nucleotides are in our bodies?
    • A. 

      5 million

    • B. 

      3.2 billion

    • C. 

      6 million

  • 16. 
    Genetic code is:
    • A. 

      Not making the right proteins

    • B. 

      The sequence of nucleotides in our genes, that dictate the sequence of amino acids in our proteins.

    • C. 

      The first process. Means to copy DNA.

  • 17. 
    The genetic code is contained in mRNA transcripts, what does the "m" stand for?
    • A. 

      My

    • B. 

      Messenger

    • C. 

      Nucleotides

  • 18. 
    MRNA are transcripts that are read in triplets called?
    • A. 

      Nucleotides

    • B. 

      Enzymes

    • C. 

      Codons

  • 19. 
    Each codon is made up of how many nucleotides?
    • A. 

      1

    • B. 

      2

    • C. 

      3 nucleotides

  • 20. 
    Does each codon code for a specific amino acid?
    • A. 

      No

    • B. 

      Yes

  • 21. 
    DNA specifies what?
    • A. 

      Means (1) codon for a particular amino acid

    • B. 

      Protein and amino acid that we make up in our bodies. No one makes the same protein

    • C. 

      Your protein levels

  • 22. 
    How many condons code amino acids?
    • A. 

      1 codon and 5 amino acids

    • B. 

      5 codons and 25 amino acids

    • C. 

      64 codons coding for 20 amino acids. ***** One start codon and three stop condons*****

  • 23. 
    For a gene to make protein, what two major processes are involved?
    • A. 

      Perscription

    • B. 

      Transcription

    • C. 

      Translation

  • 24. 
    Transcription does?
    • A. 

      Makes RNA copy of the gene

    • B. 

      Translates the RNA copy of the gene

    • C. 

      Makes RNA condons to amino acids and builds the protein

  • 25. 
    Translation is:
    • A. 

      Translates the RNA copy of the gene

    • B. 

      Makes RNA condons to amino acids and builds the protein

    • C. 

      Makes RNA copy of the gene