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Biology Final Exam

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Questions and Answers
  • 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. 
    • 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. 
    • 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. 
    • 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. 
    • A. 

      XY

    • B. 

      XX

    • C. 

      YY

    • D. 

      Zz

  • 41. 
    • 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. 
    • 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. 
    • 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. 
    • 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. 
    • 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