Biology - 1105

29 Questions | Total Attempts: 66

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Chapters Of Biology Quizzes & Trivia

Biology questions for the class 1105.


Questions and Answers
  • 1. 
    Which of the following are not characteristics of organisms or living systems?
    • A. 

      They consume and assimilate nutrients.

    • B. 

      They synthesize energy from simple fuels.

    • C. 

      They recycle most of the raw materials assimilated or metabolized.

    • D. 

      They make energy in the process of maintaining infrastructure and reproduction.

  • 2. 
    Which of the following groups include the least types of living things, and which is most specific?
    • A. 

      Domain

    • B. 

      Family

    • C. 

      Genus

    • D. 

      Class

  • 3. 
    Autotrophs obtain cellular fuel (carbohydrates):
    • A. 

      By photosynthesis

    • B. 

      By absorbing them through roots

    • C. 

      By absorbing them through leaves

    • D. 

      None of the above

  • 4. 
    Which of the following macroelements are found in nucleotides?
    • A. 

      Calcium, Iron, and Lead

    • B. 

      Arsenic, Calcium, and Iron

    • C. 

      Iodine, Hydrogen, and Nitrogen

    • D. 

      Nitrogen, Carbon, and Phosphorus

  • 5. 
    Which of the following statements is most agreeable?
    • A. 

      Acids are aqueous solutions with a high concentration of H+

    • B. 

      Acids are aqueous solutions with a high concentration of OH-

    • C. 

      Bases consume acids

    • D. 

      CO2 is inorganic since it is so important to living things

  • 6. 
    Why is water a very good solvent that dissolves salts and many other organic chemicals?
    • A. 

      Ionic bonds between water molecules

    • B. 

      Cohesion of water to glass

    • C. 

      Crystal structure of water at 37 degrees C

    • D. 

      Polarity of water and its ability to form hydrogen bonds

  • 7. 
    Which of the following statements are false? 
    • A. 

      Bacteria, with their non-membrane bound cellular structure, are eukaryotes.

    • B. 

      Bacteria do not have membrane-bound organelles

    • C. 

      Some eukaryotes are autotrophs.

    • D. 

      Most eukaryotes have both mitochondria and chloroplasts.

  • 8. 
    How do the ribosomes "know" what polypeptides to form?
    • A. 

      Ribosomes read cell DNA and copy that to amino acid sequences.

    • B. 

      Ribosomes read the endoplasmic reticulum instructions and copy that to amino acid sequences.

    • C. 

      Ribosomes translate DNA transcripts into amino acid sequences.

    • D. 

      Ribosomes break down genetic code and use the products to synthesize amino acids.

  • 9. 
    Which of the following is not a theory?
    • A. 

      Evolution occurs by natural selection on Earth.

    • B. 

      Cells are the basic structural and function units of all living things on Earth.

    • C. 

      Populations are the basic evolving units of life on Earth.

    • D. 

      A population will survive if the conditions of its environment change.

  • 10. 
    Which of the following statements agrees with the theory (physical laws) of Thermodynamics?
    • A. 

      The Earth is an ecologically "closed system" with photons and heat is the main inputs and outputs.

    • B. 

      Energy can not be converted from one form to another.

    • C. 

      Energy is created from scratch.

    • D. 

      The Earth has many inputs of global bio-energy.

  • 11. 
    Which of the following best explains how your body tells your pancreas to stop making insulin? 
    • A. 

      Insulin or one of its intermediates acts as a competitive or non-competitive inhibitor in pancreas cells.

    • B. 

      Insulin or one of its intermediates acts as a positive feedback on the pancreas

    • C. 

      Your brain tells the pancreas to stop

    • D. 

      All of the above

  • 12. 
    If George induces "voluntary famine" on himself, why do mitochondria slow down along with several other metabolic functions? 
    • A. 

      The body is programmed to speed up under stressful situations.

    • B. 

      The body produces excess insulin and slows him down.

    • C. 

      The body is programmed to not give up stored fat when it is stressed. In fact, it is programmed to store more if it can.

    • D. 

      The body produces excess adrenalin, which slows him down.

  • 13. 
    The main purpose(s) of Glycolysis is to: 
    • A. 

      Oxidize glucose to two molecules of pyruvate

    • B. 

      Release the maximum amount of ATP

    • C. 

      Net some ATP and the energy carrier NADPH

    • D. 

      A and C are both important purposes.

  • 14. 
    At the end of the Krebs Cycle, where is most of the energy from glucose? 
    • A. 

      ATP

    • B. 

      NADPH and FADH2

    • C. 

      CO2

    • D. 

      Citric Acid

  • 15. 
    If oxygen is in short supply (such as a cramped muscle), what is happening along the electron transport chain? 
    • A. 

      The H+ gradient (chemiosmosis) reaches equilibrium.

    • B. 

      NAD+ and FAD have returned to earlier steps of cellular respiration.

    • C. 

      ATP becomes water and you run out of energy.

    • D. 

      Water blocks the electron transport t chain.

  • 16. 
    How many ATP molecules are generated by the electron transport chain per glucose? 
    • A. 

      36 to 38

    • B. 

      120 to 246

    • C. 

      32 to 34

    • D. 

      None of the above

  • 17. 
    Which of the following life-forms is most like a chloroplast? 
    • A. 

      Cyanobacteria (photosynthetic bacteria)

    • B. 

      Photosynthetic fungus

    • C. 

      A green algae

    • D. 

      An oak tree leaf cell

  • 18. 
    The two stages of photosynthesis, light-dependent and light-independent are separate; plants have been able to adapt to virtually every earth environment due to
    • A. 

      Run the light-dependent and light-independent reactions at the same time, or at different times.

    • B. 

      Modify light-dependent reactions to operate at night.

    • C. 

      Use protein instead of carbohydrate as a fuel source.

    • D. 

      Modify light-dependent reactions to rely on oxygen instead of carbon dioxide.

  • 19. 
    Plants growing in hot and dry conditions survive by employing
    • A. 

      Water conservation and may use CO2 storage as C4 acid.

    • B. 

      Tactics that loose excess water to the dry air

    • C. 

      Photorespiration

    • D. 

      The taking in of excess carbon dioxide during the hottest parts of the day

  • 20. 
    What was the significance of Darwin and Mendel living and working at the same period at the same period in time? 
    • A. 

      Their collaboration resulted in a revolution in Biology and in society.

    • B. 

      They read each others work and gained valuable knowledge.

    • C. 

      It resulted in a co-authored work on Inheritance and Natural Selection.

    • D. 

      Their collaboration never happened, so many years passed until the connection between inheritance and adaptation was made.

  • 21. 
    What do Canis lipis familiaris (Dogs) and bassica oleracea (Kale, broccoli, etc.) have in common? 
    • A. 

      They are species derived by natural selection.

    • B. 

      They are species derived by applying DNA technology.

    • C. 

      They share no common organelles or any other structure; they have nothing in common.

    • D. 

      They both include varieties (breeds) resulting from intensive artificial selection.

  • 22. 
    When DNA is in G1 or G0 of the growth phase, what is it doing? 
    • A. 

      Replication

    • B. 

      Duplication and propagation

    • C. 

      Polymic Dispersal

    • D. 

      Transcription/ Translation

  • 23. 
    DNA that is not about to divide is spread out inside the nucleus and is called: 
    • A. 

      Chromosome

    • B. 

      Chromatin

    • C. 

      Protein

    • D. 

      Cytoplasm

  • 24. 
    The genetic (or nuclear) part of cell division is a way to: 
    • A. 

      Package DNA so it can be distributed to new cells.

    • B. 

      Distribute organelles into new cells.

    • C. 

      Lose genetic diversity

    • D. 

      Always maintain the diploid state.

  • 25. 
    In DNA replication, what is the role of helicase? 
    • A. 

      To re-attach the leading and lagging strands after replication.

    • B. 

      To unwind the leading and lagging strands at the beginning of replication.

    • C. 

      To re-attach the phosphate sugar bonds after replication.

    • D. 

      To unwind the phosphate sugar bonds at the beginning of replication.