Biology Quiz: Are You Ready To Take This Test?

34 Questions | Total Attempts: 173

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Biology Quiz: Are You Ready To Take This Test?

Biology quiz: are you ready to take this test? Biology is an exciting study that helps us understand living things their lives and the processes they undergo regularly. In this biology quiz, you will get to review all that you have learned before the main exam. Think you are up for the challenge? How about you try it out and refresh your memory.


Questions and Answers
  • 1. 
    Which of the following is a macromolecule?
    • A. 

      Carbohydrate

    • B. 

      Lipid

    • C. 

      Protein

    • D. 

      1&3

  • 2. 
    ......... is a storage polysaccharide in animals
    • A. 

      Amylose

    • B. 

      Glycogen

    • C. 

      Amylopectin

    • D. 

      1&3

  • 3. 
    Hydrolysis of glucose  releases glycogen when the demand for sugar increases  
    • A. 

      True

    • B. 

      False

  • 4. 
    In this picture, ........... monomers are linked together by ...................... linkage.
    • A. 

      Fructose,α(1–2)glycosidic linkage

    • B. 

      Glucose,α(1–4)glycosidic linkage

    • C. 

      Glucose,β(1–4)glycosidic linkage

    • D. 

      Glucose,α(1–6)glycosidic linkage

  • 5. 
    Insulin is an example of ......... proteins
    • A. 

      Contractile and motor

    • B. 

      Defensive

    • C. 

      Enzymatic

    • D. 

      Hormonal

  • 6. 
    A protein’s structure determines how it works
    • A. 

      True

    • B. 

      False

  • 7. 
    Cristae and matrix represented by
    • A. 

      1,4

    • B. 

      2,3

    • C. 

      4,5

    • D. 

      1,5

  • 8. 
    The flow of genetic information can be summarized as
    • A. 

      DNA → protein → RNA

    • B. 

      RNA→ protein → DNA

    • C. 

      Protein → RNA → DNA

    • D. 

      DNA → RNA → protein

  • 9. 
    Adenine and guanine belong to Purines family
    • A. 

      True

    • B. 

      False

  • 10. 
    During dehydration reaction, a molecule of water is ....
    • A. 

      Added

    • B. 

      Removed

    • C. 

      Produced

  • 11. 
    Which part of the cell is the site of ribosomal RNA (rRNA) synthesis
    • A. 

      Nucleolus

    • B. 

      Nuclear lamina

    • C. 

      Golgi apparatus

    • D. 

      Vacuoles

  • 12. 
    In nucleotides, phosphate groups are associated with carbon ... in sugar
    • A. 

      2

    • B. 

      3

    • C. 

      5

    • D. 

      6

  • 13. 
    The measure of the clarity of the image, or the minimum distance of two distinguishable points
    • A. 

      Magnification

    • B. 

      Resolution

    • C. 

      Contrast

  • 14. 
    Mitochondria is one of the Basic features of all cells
    • A. 

      True

    • B. 

      False

  • 15. 
    Which number represents Flagella
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 16. 
    This diagram represent  
    • A. 

      Plasma membrane

    • B. 

      Nucleus

    • C. 

      Ribosome

    • D. 

      Double Cheese Burger

  • 17. 
    ِAll of the following are functions of the smooth ER except
    • A. 

      Synthesizes lipids

    • B. 

      Membrane factory for the cell

    • C. 

      Detoxifies drugs and poisons

    • D. 

      Metabolizes carbohydrates

  • 18. 
    • A. 

      Central vacuole, holds organic compounds and water

    • B. 

      Contractile vacuole,pumps excess water out of cells

    • C. 

      Food vacuole, stores food

  • 19. 
     Golgi apparatus accounts for more than half of the total membrane in many eukaryotic cells
    • A. 

      True

    • B. 

      False

  • 20. 
    ............ is the internal fluid of chloroplasts
    • A. 

      Thylakoids

    • B. 

      Granum

    • C. 

      Stroma

  • 21. 
    Microtubules Are the thinnest components of the Cytoskeleton
    • A. 

      True

    • B. 

      False

  • 22. 
    Which number represent a compound that consists of Carbohydrates and Core Protein
    • A. 

      1

    • B. 

      4

    • C. 

      2

    • D. 

      6

  • 23. 
    In endocytosis, the cell takes in macromolecules by ..
    • A. 

      Diffusion

    • B. 

      Channels carriers

    • C. 

      Forming vesicles from the plasma membrane

    • D. 

      Passive transport

  • 24. 
    Which type of cell junctions fasten cells together into strong sheets
    • A. 

      Desmosomes

    • B. 

      Tight junctions

    • C. 

      Gap junctions

  • 25. 
    The molecule shown in the picture is .......
    • A. 

      Starch

    • B. 

      Phospholipid

    • C. 

      Steroid

    • D. 

      Disaccharide

  • 26. 
    The steroid cholesterol has different effects on the membrane fluidity of animal cells at different temperatures, what its effect at cool temperatures
    • A. 

      Hinders solidification

    • B. 

      Maintains fluidity by preventing tight packing

    • C. 

      Restraints movement of phospholipids

    • D. 

      1&2

  • 27. 
    Resistant individual of HIV have cells with CCR5 on its surface
    • A. 

      True

    • B. 

      False

  • 28. 
    Which of the following biological molecules are monomer and polymer in the same time
    • A. 

      Carbohydrates

    • B. 

      Nucleic acids

    • C. 

      Lipids

    • D. 

      Proteins

  • 29. 
    The type of transport proteins that bind to molecules and change shape to shuttle them across the membrane is
    • A. 

      Carrier proteins

    • B. 

      Transport proteins

    • C. 

      Aquaporin

  • 30. 
    Water diffuses across a membrane from the region of higher solvent concentration to the region of lower solvent  concentration
    • A. 

      True

    • B. 

      False

  • 31. 
    If we put plant cells in isotonic solution,it will become
    • A. 

      Normal

    • B. 

      Lysed

    • C. 

       Shriveled

    • D. 

      Flaccid

  • 32. 
    Which of the following is as an example of Active transport
    • A. 

      Ion channels

    • B. 

      Sodium-potassium pump

    • C. 

      Diffusion

    • D. 

      Gated channels

  • 33. 
    • A. 

      Carry cholesterol

    • B. 

      Facilitated diffusion

    • C. 

      Cellular drinking

    • D. 

      Cotransport

  • 34. 
     The overall shape of a tertiary structure results from interaction between..
    • A. 

      Backbone constituents

    • B. 

      R groups

    • C. 

      Two or more polypeptide chains

    • D. 

      All of the above