Trivia Quiz: Can You Answer These Toughest Chemistry Questions?

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Trivia Quiz: Can You Answer These Toughest Chemistry Questions?

Can You Answer These Toughest Chemistry Questions? Chemistry is basically the study of matter in its 3 states and forms a basis to understanding different compounds and reactions. If you consider yourself a guru when it comes to this study then the quiz below was designed for you. Do give it a try and get to see if you earn the top marks.


Questions and Answers
  • 1. 
    According to the first law of thermodynamics:
    • A. 

      Energy can neither be created nor destroyed

    • B. 

      Energy can be converted from one form to another

    • C. 

      All processes increase the order of the universe

    • D. 

      Systems rich in energy are intrinsically stable

    • E. 

      A and B

    • F. 

      B and C

    • G. 

      C and D

  • 2. 
    No energy conversion is 100% efficient (in terms of doing work). Instead, for each conversion, some energy will always be lost in the form of _____ and entropy will be increased in the universe. 
    • A. 

      Light

    • B. 

      Heat

    • C. 

      Electricity

    • D. 

      Movement

    • E. 

      Chemical change

  • 3. 
    Enzymes make reactions happen:
    • A. 

      That could not happen on their own

    • B. 

      Hundreds to millions of times faster than they could on their own

    • C. 

      By lowering the activation energy required

    • D. 

      But are themselves destroyed or changed in the process

    • E. 

      A and D

    • F. 

      B and C

  • 4. 
    Adenosine triphosphate is required by all living cells to do the work of staying alive. Adenosine triphosphate is formed when:
    • A. 

      Glucose is added to ADP

    • B. 

      A phosphate is added to glucose

    • C. 

      A phosphate group is added to ADP

    • D. 

      A phosphate group is added to DNA

  • 5. 
    If one were comparing the relative amounts of water and dissolved materials in human bood vs. distilled water, the most appropriate term to describe the blood would be:
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

    • D. 

      Monotonic

    • E. 

      Allotonic

  • 6. 
    If one were comparing the relative amounts of water and dissolved materials in human blood vs. seawater, the most appropriate term to describe the blood would be:
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

    • D. 

      Monotonic

    • E. 

      Allotonic

  • 7. 
    If a man was injected intravenously with seawater, the net resulting direction of osmosis would be:
    • A. 

      Toward his body cells

    • B. 

      From his blood

    • C. 

      From his body cells

    • D. 

      From his kidneys to his urinary bladder

  • 8. 
    Although glucose cannot normally cross the plasma membrane directly to enter a cell, when insulin is present, glucose will move down its concentration gradient and enter the cell with no energy cost. This passive movement is due to a transport protein in the membrane and is called:
    • A. 

      Protein transport

    • B. 

      Free diffusion

    • C. 

      Osmosis

    • D. 

      Active diffusion

    • E. 

      Facilitated diffusion

  • 9. 
    Active transport is required when a substance is moved across a membrane ________ its concentration gradient.
    • A. 

      Against

    • B. 

      Down

    • C. 

      With

    • D. 

      Regardless of

    • E. 

      In cooperation with

  • 10. 
    When a glucose molecule passes through the stages of aerobic cellular respiration it is broken down. The chemical products left behind by this breakdown is/are:
    • A. 

      CO2

    • B. 

      H20

    • C. 

      C6H12O6

    • D. 

      Amino acids

    • E. 

      Lipids

    • F. 

      A and B

    • G. 

      B and C

    • H. 

      All of these

  • 11. 
    The job of oxygen in the process of aerobic cellular respiration is to:
    • A. 

      Release ATP

    • B. 

      Burn ATP

    • C. 

      Capture neutrons

    • D. 

      Capture electrons and hydrogen ions

    • E. 

      Burn calories

  • 12. 
    On one side of a crista, hydrogen ions build up during aerobic cellular respiration. They eventually result in the production of usable energy when they fall through:
    • A. 

      ATP synthase

    • B. 

      The nuclear envelope

    • C. 

      A chloroplast

    • D. 

      An oxygen molecule

  • 13. 
    In the photosynthetic organelle of eukaryotes, the light reactions occur in the ______ and the Calvin cycle occurs in the _________. 
    • A. 

      Chloroplast; stroma

    • B. 

      Thylakoid; stroma

    • C. 

      Crista; cytosol

    • D. 

      Stroma; thylakoid

    • E. 

      Stroma; chloroplast

  • 14. 
    During the light reaction, which of the following occurs?
    • A. 

      CO2 forms

    • B. 

      H20 forms

    • C. 

      CO2 is split

    • D. 

      H20 is split

    • E. 

      Glucose is formed

    • F. 

      ATP is formed

    • G. 

      A and B

    • H. 

      D and F

    • I. 

      All of these

  • 15. 
    During the Calvin cycle (dark reaction), which of the following occurs?
    • A. 

      CO2 is released

    • B. 

      H2O forms

    • C. 

      ATP is used

    • D. 

      Electrons are used to form glucose

    • E. 

      Oxygen is released as a gas

    • F. 

      A and B

    • G. 

      C and D

    • H. 

      All of these

  • 16. 
    The main purpose of photosynthesis is to transform light energy into 
    • A. 

      Heat energy

    • B. 

      Mechanical energy

    • C. 

      Chemical energy

    • D. 

      Nuclear energy

    • E. 

      Electric energy

  • 17. 
    Based on the simplified equation, which of the following is the product compound of photosynthesis containing the highest potential energy? That is, which photosynthetic product holds the greatest caloric value?
    • A. 

      C6H12O6

    • B. 

      CO2

    • C. 

      O2

    • D. 

      H20

    • E. 

      Cholesterol

  • 18. 
    The earliest descriptions (in the 19th century) of cell nuclei referred to the way that they took up dyes, so they labeled their contents "chromatin" (the colored material). Today, we know that chromatin is actually:
    • A. 

      DNA

    • B. 

      DNA and RNA

    • C. 

      DNA and proteins

    • D. 

      Only RNA

  • 19. 
    An experimenter chopped a potato into four pieces, making sure that each piece contained one of the reddish eyes or wartlike growth on the potato's skin. In a month or so, each piece developed into an entire potato plant. This represents a form of reproduction where the main division process causing multiplication of daughter nuclei is:
    • A. 

      Meiosis

    • B. 

      Cytokinesis

    • C. 

      Mitosis

    • D. 

      Cancer

    • E. 

      Sexual reproduction

  • 20. 
    With reference to adult mammals, which of the following can be described accurately as "somatic cells that are regularly being replaced by rapid mitosis"?
    • A. 

      Sperms

    • B. 

      Eggs

    • C. 

      Skeletal muscle cells

    • D. 

      Brain cells

    • E. 

      Blood cells

  • 21. 
    Which of the following is NOT true of the mitotic spindle apparatus:
    • A. 

      Forms during prophase

    • B. 

      Consists of contractile protein microtubules

    • C. 

      Each chromosome forms and attachment to it

    • D. 

      Is present but not visible during interphase

  • 22. 
    During telophase of mitosis:
    • A. 

      The nuclear envelope reorganizes and the spindle breaks up

    • B. 

      Centromeres split in two

    • C. 

      The chromosomes coil more tightly than other stages

    • D. 

      Each chromosome consists of sister chromatids

    • E. 

      Centrioles split in two

  • 23. 
    Both mitosis and meiosis begin with a mother cell that is:
    • A. 

      Haploid

    • B. 

      Homologous

    • C. 

      Diploid

    • D. 

      In a germ cell

  • 24. 
    When a mother cell gives rise to four sperm cell, it is essentially impossible for all four to be:
    • A. 

      Healthy

    • B. 

      Genetically identical

    • C. 

      Genetically different

    • D. 

      Genetically different from the mother cell

  • 25. 
    Normally, egg cell formation results when one mother cell meiotically produces four daughter cells. Each of those daughter cells will:
    • A. 

      Contain a different number of chromosomes

    • B. 

      Contain the same number of chromosomes

    • C. 

      Contain an identical amount of cytoplasm

    • D. 

      Contain no homologous pairs of chromosomes

    • E. 

      A and C

    • F. 

      B and D

  • 26. 
    If a nucleus from an animal's brain cell contained a total of 56 chromosomes, how many chromosomes would you expect to find in one of its eggs?
    • A. 

      28

    • B. 

      46

    • C. 

      23

    • D. 

      56

  • 27. 
    Crossing over:
    • A. 

      Is the same as synapsis

    • B. 

      Can occur in any cell

    • C. 

      May occur during anaphase I

    • D. 

      Only occurs between members of a homologous pair

  • 28. 
    In the nucleus of one of your (nucleated) somatic cells, the number of chromosomes traceable back to your father is:
    • A. 

      46

    • B. 

      Between 23 and 46

    • C. 

      Less than 23

    • D. 

      23

    • E. 

      Impossible to determine at this point in time

  • 29. 
    Some cells are pre-programmed to simply grow old and die rather than reaching a point where they will experience cell division. Considering the stages of a typical eukaryotic cell life cycle, the type of cell described would spend its life in:
    • A. 

      Prophase

    • B. 

      G1

    • C. 

      G0

    • D. 

      G2

    • E. 

      S

  • 30. 
    Which of the following accurately describes cancer cells?
    • A. 

      Surface proteins are abnormal

    • B. 

      Surfaces are too sticky

    • C. 

      Goal is to start new cancers

    • D. 

      Cytoskeleton develops normally

  • 31. 
    Which of the following represents a NON-CANCEROUS, abnormal growth of cells?
    • A. 

      Benign tumor

    • B. 

      Carcinoma

    • C. 

      Melanoma

    • D. 

      Malignant tumor

  • 32. 
    Which of the following is an accurate statement about cancer?
    • A. 

      Most are inherited from parents

    • B. 

      Its cells have abnormally shortened interphase

    • C. 

      Skin cancers are not as common as lung cancers

    • D. 

      Breast cancer kills more women per year than any other type of cancer

  • 33. 
    Any agent is carcinogenic if it:
    • A. 

      Consists of organic chemicals

    • B. 

      Is made of DNA

    • C. 

      Changes DNA

    • D. 

      Is manmade

    • E. 

      Kills cells

  • 34. 
    Which of the following is the correct sequence of events? 
    • A. 

      Meiosis > sex cells form > sperm penetrates egg to form zygote > embryo develops by mitotic divisions

    • B. 

      Mitosis > sex cells form > sperm penetrates egg to form zygote > embryo develops by meiotic divisions

    • C. 

      Meiosis > sex cells form > sex cells divide mitotically to make additional sex cells > sperms penetrate eggs to form zygotes > embryos develop by mitotic divisions

    • D. 

      Mitosis > sex cells form > sex cells combine > meiosis occurs > zygote forms > embryo forms by mitotic dvisions

  • 35. 
    In mitosis, synapsis:
    • A. 

      Occurs during prophase

    • B. 

      Occurs during metaphase

    • C. 

      Occurs during anaphase

    • D. 

      Does not occur

  • 36. 
    In order to perform his famous experiments, Mendel first selected several strains of garden peas that were:
    • A. 

      Hybrid

    • B. 

      Heterozygous

    • C. 

      Homozygous

    • D. 

      Homologous

  • 37. 
    Sister chromatids will separate at the proper time due to the physical tension created by the tugging action of spindle fibers, aided by enzyme activity. On either side of a duplicated chromosome, the __________ is the structural feature where a spindle fiber is able to attach in order to control the chromosome's position.
  • 38. 
    A cell is said to be _________ if it contains no homologous pairs of chromosomes.
  • 39. 
    Name an organ in your body where a biologist would find cells in some stage of meiosis:
  • 40. 
    Unlike the interphase that precedes mitosis and meiosis, no __________ occurs during interkinesis (the brief interval between meiosis I and meiosis II.