Biology Final Exam

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  • 1. 
    The Smallest Unit of a chemical element that still has the properties of that element is a(n)
    • A. 

      Amino Acid

    • B. 

      Molecule

    • C. 

      Atom

    • D. 

      Bond


  • 2. 
    A Molecule Composed of amino acids is a
    • A. 

      Nucleotide

    • B. 

      Lipid

    • C. 

      Carbohydrate

    • D. 

      Protein


  • 3. 
    Which of the following levels of protein structure involves more than one chain of amino acids
    • A. 

      Primary Structure

    • B. 

      Secondary structure

    • C. 

      Tertiary Structure

    • D. 

      Quarternary Structure


  • 4. 
    Out of the following which indicates the most basic PH
    • A. 

      3

    • B. 

      7

    • C. 

      8

    • D. 

      10


  • 5. 
    The sugar glucose has an important role
    • A. 

      In the formation of proteins

    • B. 

      In short-term energy storage

    • C. 

      In the formation of membranes

    • D. 

      As a building block of nucleotides


  • 6. 
    Nucleotides
    • A. 

      Are the building blocks of proteins

    • B. 

      Are involved in every chemical reaction in the cell

    • C. 

      Form physical structures such as hair

    • D. 

      Are the building blocks of dna


  • 7. 
    The strongest possible link between two atoms is a
    • A. 

      Covalent bond

    • B. 

      Hydrogen bond

    • C. 

      Noncovalent bond

    • D. 

      Ionic bond


  • 8. 
    Ionic bonds
    • A. 

      Result from the sharing of two electrons between atoms

    • B. 

      Form only between polar molecules

    • C. 

      Form between atoms that develop opposite charges

    • D. 

      Are due to protons repelling each other


  • 9. 
    Which statement is NOT true in reguards to reproduction
    • A. 

      The offspring of unnicellular organisms have the same genes as the single parent

    • B. 

      Hereditary information is in the form of genes

    • C. 

      The offspring of multicellular organisms tend to have the same structure as the parent

    • D. 

      Hereditary information is passed on to the next generation


  • 10. 
    An organ is defined as a body structure composed of
    • A. 

      Two or more molecules

    • B. 

      Two or more cells

    • C. 

      Two or more tissues

    • D. 

      None of the above


  • 11. 
    Electrons are found
    • A. 

      In the nucleus of an atom

    • B. 

      Only in complex molecules

    • C. 

      In a shell that surrounds the atoms nucleus

    • D. 

      In both the nucleus and inner shell of an atom


  • 12. 
    The basic unit of life is the
    • A. 

      Cell

    • B. 

      Organ

    • C. 

      Organelle

    • D. 

      Tissue


  • 13. 
    Which of the following sequences correctly represents the biological hierarchy of a multicellular organism
    • A. 

      Cells-tissues-organs-individual

    • B. 

      Tissues-organs-cells-individual

    • C. 

      Indivudual-cells-organ systems-tissues

    • D. 

      Organ systems-organs-tissues-indivudal


  • 14. 
    When compared to a natural system a college campus is most similar to
    • A. 

      An ecosystem

    • B. 

      A community

    • C. 

      A biome

    • D. 

      A population


  • 15. 
    A proton has what kind of charge
    • A. 

      No

    • B. 

      Neutral

    • C. 

      Negative

    • D. 

      Positive


  • 16. 
    The boundary structure that physically defines a cell is the
    • A. 

      Plasma membrane

    • B. 

      Protein channel

    • C. 

      Hydrophillic layer

    • D. 

      Phospholipid side chain


  • 17. 
    A screen door allows breezes to get in and aromas to get our but keeps out insects, this function resembles
    • A. 

      The plasma membrane

    • B. 

      The cytosol

    • C. 

      The ER lumen

    • D. 

      Ribosome


  • 18. 
    IF you are looking at a cell under a microscope and trying to determine whether it is a prokaryote or a eukaryote you know its a eukaryote if you see
    • A. 

      Dna

    • B. 

      A plasma membrane

    • C. 

      A nucleolus

    • D. 

      A ribosome


  • 19. 
    The Golgi apparatus
    • A. 

      Is a place where a cells genetic material is stored

    • B. 

      Sorts proteins and lipids and sends them to their final destination

    • C. 

      Captures from sunlight and sends it to mitochondria

    • D. 

      Creates energy by converting ribosomes to proteins


  • 20. 
    When looking through a light microscope at a plant leaf, you notice small green organelles moving around in the cytoplasm of every cell. what organnelle are u most likely seeing
    • A. 

      Mitochondria

    • B. 

      Chloroplasts

    • C. 

      Lysosomes

    • D. 

      Ribosomes


  • 21. 
    Your muscle cells need large amounts of ATP to function in the movement of your body. Which of the following organelles would you expect to be especially abundant in muscle cells
    • A. 

      Mitochondria

    • B. 

      Ribosomes

    • C. 

      Smooth endoplasmic reticulum

    • D. 

      Lysosomes


  • 22. 
    One of the major functions of the plasma membrane is to
    • A. 

      Prevent the loss of proteins from mitochondria

    • B. 

      Contract and give animals their ability to move

    • C. 

      Control what enters and leaves a cell

    • D. 

      Provide physical support to the nucleus


  • 23. 
    The fragrance of bread baking in a kitchen spreads to other rooms by
    • A. 

      Active transport

    • B. 

      Diffusion

    • C. 

      Osmosis

    • D. 

      Seective permeation


  • 24. 
    Active transport requires
    • A. 

      Energy

    • B. 

      Diffusion

    • C. 

      Hormones

    • D. 

      Osmosis


  • 25. 
    Active transport
    • A. 

      Moves substances out of but not into cells

    • B. 

      Occurs in dense patches far removed from passive carrier proteins

    • C. 

      Moves substances from areas of high concentration to areas of low concentration

    • D. 

      Involves a carrier protein


  • 26. 
    Osmosis
    • A. 

      Requires energy

    • B. 

      Moves substnces from areas of low concentration to areas of high concentration

    • C. 

      Is a form of passive transport of water across a membrane

    • D. 

      Involves exocytosis


  • 27. 
    Which of the following statements is FALSE
    • A. 

      Eukaryotes have RNA as the hereditary genetic material

    • B. 

      Eukaryotes can be multicellular

    • C. 

      Eukaryotes have a membrane enclosed nucleus

    • D. 

      Eukaryotes have membrane enclosed organelles


  • 28. 
    Which of the following organelles is correctly matched with its function
    • A. 

      Mitochondria: Digestion

    • B. 

      Nucleus: Protein Synthesis

    • C. 

      ER:Heredity

    • D. 

      Golgi Bodies: Packaging


  • 29. 
    Which of the following statements is not generally true
    • A. 

      As an organism matures it needs more cells

    • B. 

      As an organism matures it needs different kinds of cells

    • C. 

      As an organism matures it needs to replace the DNA in each one of its cells

    • D. 

      As an organism matures it needs to replace worn out cells


  • 30. 
    A single cell grows into a multicellular organism by the process of
    • A. 

      Mitosis

    • B. 

      Meiosis

    • C. 

      Fertilization

    • D. 

      Duplication


  • 31. 
    During the S phase the cell
    • A. 

      Duplicates its DNA

    • B. 

      Grows in size to prepare for DNA synthesis

    • C. 

      Completes its preparation for mitosis

    • D. 

      Rests between divisions


  • 32. 
    Chromosones are lined up at the middle of the sell during what portion of cell division
    • A. 

      Metaphase

    • B. 

      Anaphase

    • C. 

      Telophase

    • D. 

      Interphase


  • 33. 
    Which of the following is true of the chromosomes in a homolygous pair
    • A. 

      They both came from the organisms mother

    • B. 

      They both came from the organisms father

    • C. 

      One chromosome came from each of the organisms parents

    • D. 

      Neither chromosome came from the organisms parents


  • 34. 
    The location of a gene on a chromosome is called
    • A. 

      Centromere

    • B. 

      Allele

    • C. 

      Autosome

    • D. 

      Locus


  • 35. 
    At the completion of mitosis the nucleus of a human somatic cell has how man chromosomes
    • A. 

      23

    • B. 

      46

    • C. 

      92

    • D. 

      184


  • 36. 
    Which of the following symbols represents a person who has a homozygous genotype
    • A. 

      Ww

    • B. 

      WW

    • C. 

      XY

    • D. 

      Wx


  • 37. 
    Which of the following choices represents the genotype of an individual diploid organism
    • A. 

      BbCCdd

    • B. 

      BCd

    • C. 

      BCd

    • D. 

      BbCd


  • 38. 
    An individual with the genotype Aa mates with an individual with the genotype AA which of the following is true
    • A. 

      These two individuals will have four offspring

    • B. 

      Half of the offspring will be Aa

    • C. 

      Twenty five percent of the offspring will be aa

    • D. 

      Both A and B


  • 39. 
    Cystic fibrosis is caused by a recessive gene. If C= normal and c= cystic fibrosis how can a child with cysti fibrosis have two parents that do not have cystic fibrosis
    • A. 

      The child has a genotype of CC

    • B. 

      The parents have genotypes of CC and Cc

    • C. 

      The parents have genotypes of Cc amd Cc

    • D. 

      The child has a genotype of Cc


  • 40. 
    Which of the following genotypes represents a human female
    • A. 

      XY

    • B. 

      XX

    • C. 

      YY

    • D. 

      Zz


  • 41. 
    Fertilization normally takes place in the
    • A. 

      Ovary

    • B. 

      Fallopian tubes/oviducts

    • C. 

      Vulva

    • D. 

      Cervix


  • 42. 
    The female reproductive system includes all of the following except
    • A. 

      Clitoris

    • B. 

      Vagina

    • C. 

      Mammary glands

    • D. 

      Uterus


  • 43. 
    Actual exchange of gases in the lungs occurs in the
    • A. 

      Bronchi

    • B. 

      Alveoli

    • C. 

      Bronchioles

    • D. 

      Glottis


  • 44. 
    Plasma is mostly
    • A. 

      Protein

    • B. 

      Red blood cells

    • C. 

      White blood cells

    • D. 

      Water


  • 45. 
    Digestion is complete and obsorbtion occurs in the
    • A. 

      Mouth

    • B. 

      Stomach

    • C. 

      Small intestine

    • D. 

      Esophagus


  • 46. 
    Which of the following is part of the urinary system and NOT the reproductive system
    • A. 

      Ureter

    • B. 

      Urethra

    • C. 

      Vas deferens

    • D. 

      Seminal vescile


  • 47. 
    The function of the esophagus is to
    • A. 

      Break down food physically

    • B. 

      Break down food chemically

    • C. 

      Carry food to the stomach

    • D. 

      Prepare undigested material and waste for disposal


  • 48. 
    The finger like projections along the surface of  the intestines are callled
    • A. 

      Mucose

    • B. 

      Villi

    • C. 

      Lacteals

    • D. 

      Stroma


  • 49. 
    A urinary bladder is useful becuse it
    • A. 

      Helps with defecation

    • B. 

      Is a place where white cells attack bacteria

    • C. 

      Stores urine to prevent constant urination

    • D. 

      All of the above are true


  • 50. 
    Which of these is not true of the heart
    • A. 

      It is a double pump

    • B. 

      It is a primarily

    • C. 

      It helps maintain blood pressure

    • D. 

      It makes red blood cells


  • 51. 
    The human vocal chords are found in the
    • A. 

      Trachea

    • B. 

      Bronchi

    • C. 

      Alveoli

    • D. 

      Larynx


  • 52. 
    Ovaries...
    • A. 

      Produce hormones

    • B. 

      Produce eggs

    • C. 

      Are the site of fertilization

    • D. 

      A and b are correct


  • 53. 
    Which tube connects the pharynx to the bronchi
    • A. 

      The trachea

    • B. 

      The alveoli

    • C. 

      The bronchioles

    • D. 

      The tracheoles


  • 54. 
    Which of the following describes the journey of a molecule of oxygen from the pharynx to the alveolous
    • A. 

      Pharynx to trachea to bronchi to bronchioles to alveolus

    • B. 

      Pharynx to trachea to bronchioles to bronchi to alveolus

    • C. 

      Pharynx to bronchioles to bronchi to trachea to alveolus

    • D. 

      Pharynx to bronchi to bronchiole to trachea to alveolus


  • 55. 
    The human circulatory system
    • A. 

      Uses gravity to move blood to tissues

    • B. 

      Connects only to the most vital organs in the body

    • C. 

      Depends on veins to pump the blood through our bodies

    • D. 

      Is considered a closed system


  • 56. 
    In the human heart artria pump blood into
    • A. 

      Ventricles

    • B. 

      Arteries

    • C. 

      Veins

    • D. 

      Lungs


  • 57. 
    When you swallow the epiglottis covers the opening to the
    • A. 

      Larynx

    • B. 

      Esophagus

    • C. 

      Pharynx

    • D. 

      Alveoli


  • 58. 
    The functional unit of the kidney is the
    • A. 

      Glomerulus

    • B. 

      Loop of henle

    • C. 

      Nephron

    • D. 

      Urethra


  • 59. 
    The entrance and exit of air into and out of the lungs is
    • A. 

      Breathing

    • B. 

      Internal respiration

    • C. 

      External respiration

    • D. 

      Cellular respiration


  • 60. 
    Humans complete their development in a protected environment inside their mothers body in the
    • A. 

      Cervix

    • B. 

      Oviduct

    • C. 

      Vagina

    • D. 

      Uterus


  • 61. 
    Which is the last structure urine passes through
    • A. 

      Distal gland

    • B. 

      Urethra

    • C. 

      Urinary bladder

    • D. 

      Ureter


  • 62. 
    Which of the following develop from the germ layer called ectoderm
    • A. 

      Skin and nervous system

    • B. 

      Nervous system and muscles

    • C. 

      Muscles and blood

    • D. 

      Gut and pancreas


  • 63. 
    Which structure normally allows both air and food passage
    • A. 

      Bronchi

    • B. 

      Trachea

    • C. 

      Larynx

    • D. 

      Pharynx


  • 64. 
    Who proposed the law of independent assortment
    • A. 

      Mendel

    • B. 

      Morgan

    • C. 

      Sturtevant

    • D. 

      Weismann


  • 65. 
    In animals meiosis occurs in the
    • A. 

      Skin

    • B. 

      Liver

    • C. 

      Gonads

    • D. 

      Muscles


  • 66. 
    The phase before the beginning of dna replication(Sphase) is the
    • A. 

      The g1 stage

    • B. 

      The g2 stage

    • C. 

      The M stage

    • D. 

      The S stage


  • 67. 
    Sister chromatids detatch from one another and become visible seperatte chromosones during
    • A. 

      Anaphase

    • B. 

      Metaphase

    • C. 

      Interphase

    • D. 

      Prophase


  • 68. 
    An autosomal recessive disorder
    • A. 

      Requires only one parent to carry

    • B. 

      Displays its symptoms in only heterozygotes

    • C. 

      Is more frequent in males than females

    • D. 

      Will appear onl in children whos parents both carry the gene


  • 69. 
    A human x linked gene is
    • A. 

      Found only in males

    • B. 

      Found on the y chromosome

    • C. 

      Found on the x chromosome

    • D. 

      Transmitted from father to son


  • 70. 
    Different or alternative forms of the same gene are called
    • A. 

      Alleles

    • B. 

      Mutants

    • C. 

      Chromatids

    • D. 

      Homogolous


  • 71. 
    The phenotypic ration of a monohybrid cross involcing two heterozygotes is
    • A. 

      1:1

    • B. 

      2:1

    • C. 

      9:3:3:1

    • D. 

      3:1


  • 72. 
    What is the spindle aparatus made of
    • A. 

      Microtubules

    • B. 

      Golgi bodies

    • C. 

      Nucleoprotein

    • D. 

      Chromatids


  • 73. 
    Meiosis typically results in the production of
    • A. 

      Two diploid cells

    • B. 

      Two haploid cells

    • C. 

      Four diploid cells

    • D. 

      Four haploid cells


  • 74. 
    The principle of segregation applies most specifically to events occuring in preperation of
    • A. 

      Offspring

    • B. 

      Zygotes

    • C. 

      Gametes

    • D. 

      Loci


  • 75. 
    The ABO blood types are controlled by
    • A. 

      Pleitropy

    • B. 

      Codominance

    • C. 

      Multiple alleles

    • D. 

      Incomplete dominance


  • 76. 
    In incomplete dominance
    • A. 

      One allele is not dominent to another allele

    • B. 

      The genotype can be determined by the phenotype

    • C. 

      The intermediate phenotype may be the result of enzyme insufficiency

    • D. 

      All of these


  • 77. 
    Sexual reproduction requires
    • A. 

      Meiosis

    • B. 

      Gamete formation

    • C. 

      Fertilization

    • D. 

      All of the above


  • 78. 
    This is not a stage of mitosis
    • A. 

      Prophase

    • B. 

      Interphase

    • C. 

      Anaphase

    • D. 

      Telaphase


  • 79. 
    Non sex chromosomes are called
    • A. 

      Autosomes

    • B. 

      Centrosomes

    • C. 

      Allosomes

    • D. 

      Nonsexosomes


  • 80. 
    Which of the following is not associated with mitosis
    • A. 

      Somatic cells

    • B. 

      Sexual reproduction

    • C. 

      Sperm and egg

    • D. 

      Germ cells


  • 81. 
    Which of the following is not a clone
    • A. 

      A pair of identical twins

    • B. 

      A group of rooted plant cuttings from a single plant

    • C. 

      The offspring produced by two parents

    • D. 

      The cells produced by the asexual reproduction of a single celled organism


  • 82. 
    The chromosomes and genes are replicated during
    • A. 

      Anaphase

    • B. 

      Prophase

    • C. 

      Metaphase

    • D. 

      Telophase


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