Biology Unit 1 Practice Test

50 Questions | Total Attempts: 3603

SettingsSettingsSettings
Biology Unit 1 Practice Test - Quiz

Are you a pro in Biology? You can take this Biology unit 1 practice test to check your knowledge. Biology is a vast subject with a lot of topics, terms, and explanations. Here, we have got a few questions for your practice where you can recall your biology concepts. The more correct answers you choose, the more your score will be. If you think you can ace the quiz, go for it and prove it. All the best! You can share the quiz with others also.


Questions and Answers
  • 1. 
    Which elements are in nucleotides (nucleic acids)
    • A. 

      C

    • B. 

      H

    • C. 

      O

    • D. 

      N

    • E. 

      P

    • F. 

      S

  • 2. 
    Which elements are in proteins?
    • A. 

      C

    • B. 

      H

    • C. 

      O

    • D. 

      N

    • E. 

      P

    • F. 

      S

  • 3. 
    Polymers of the following types of compounds are made by dehydration synthesis:
    • A. 

      Proteins

    • B. 

      Lipids

    • C. 

      Nucleic Acids

    • D. 

      Carbohydrates

  • 4. 
    What is the relation of hydrolysis to dehydration synthesis?
    • A. 

      Adds water to break the bonds formed from dehydration synthesis.

    • B. 

      Unrelated

    • C. 

      Takes out additional water.

  • 5. 
    Which of the following are monosaccharides?
    • A. 

      Maltose

    • B. 

      Glucose

    • C. 

      Fructose

    • D. 

      Sucrose

    • E. 

      Lactose

    • F. 

      Galactose

    • G. 

      Glycerol

    • H. 

      Aminase

  • 6. 
    What is maltose?
    • A. 

      Monosaccharide

    • B. 

      Disaccharide

  • 7. 
    What type of biomolecule is an enzyme?
    • A. 

      Lipid

    • B. 

      Nucleic Acid

    • C. 

      Protein

    • D. 

      Carbohydrate

  • 8. 
    What are the factors affecting enzyme activity?
    • A. 

      PH, temperature, substrate concentration in a narrow range

    • B. 

      PH, temperature, substrate concentration in a broad range

    • C. 

      PH, the temperature only in a narrow range

    • D. 

      PH, the temperature only in a broad range

  • 9. 
    What type of bonds occurs in organic compounds?
    • A. 

      Ionic bonds

    • B. 

      Covalent bonds

    • C. 

      Metallic bonds

  • 10. 
    The __________ is the smallest unit of matter.
    • A. 

      Element

    • B. 

      Atom

    • C. 

      Molecule

    • D. 

      Electron

  • 11. 
    An _______ bond is a bond in which electrons are transferred.
    • A. 

      Covalent

    • B. 

      Ionic

    • C. 

      Double

  • 12. 
    A base has a ph above _____.
    • A. 

      9

    • B. 

      8

    • C. 

      7

    • D. 

      10

  • 13. 
    Gold is an example of a ______.
    • A. 

      Molecule

    • B. 

      Element

    • C. 

      Atom

    • D. 

      Covalent bond

  • 14. 
    The water molecule is _________, because there is an uneven distribution of electrons within the molecule.
    • A. 

      Uneven

    • B. 

      Weird

    • C. 

      Polar

    • D. 

      Strange

  • 15. 
    IF this structure represents DNA, what would be the appropriate description?
    • A. 

      Double helix

    • B. 

      Ladder

    • C. 

      Twisted Sisters

    • D. 

      Psychadelic stairway

  • 16. 
    Which of the following would be classified as the purines?
    • A. 

      Adenine and Thymine

    • B. 

      Adenine and Guanine

    • C. 

      Adenine and Cytosine

    • D. 

      Thymine and Cytosine

  • 17. 
    The backbone of the DNA structure is made up of...
    • A. 

      Alternating phosphates and sugar molecules

    • B. 

      Nucleotides

    • C. 

      Alternating bases and sugars

    • D. 

      Alternating phosphates and bases

  • 18. 
    TRUE or FALSE: DNA is found in the nucleus in eukaryotic cells.
    • A. 

      TRUE

    • B. 

      FALSE

  • 19. 
    Carbohydrates are composed of
    • A. 

      Carbon, hydrogen, and nitrogen

    • B. 

      Hydrogen and oxygen

    • C. 

      Oxygen, nitrogen, and carbon

    • D. 

      Carbon, hydrogen, and oxygen

    • E. 

      Carbon and glucose

  • 20. 
    The cell membrane is?
    • A. 

      The flexible structure which surrounds a cell and controls the movement of materials in and out of the cell

    • B. 

      Protein which requires energy

    • C. 

      A cell group of cells

  • 21. 
    Semi-permeable is the characteristic of a material that allows only certain materials to pass through it?
    • A. 

      True

    • B. 

      False

  • 22. 
    Which structure is found in the cells of plants but not in animals?
    • A. 

      Cell membrane

    • B. 

      Cell wall

    • C. 

      Mitochondria

    • D. 

      Lysosome

  • 23. 
    The nucleus stores almost all of the cell's
    • A. 

      Ribosomes

    • B. 

      DNA

    • C. 

      Proteins

    • D. 

      Amino acids

  • 24. 
    Which organelle harvests energy from the sun?
    • A. 

      Lysosome

    • B. 

      Mitochondria

    • C. 

      Chloroplasts

    • D. 

      Ribosomes

  • 25. 
    The principal role of the ER and the Golgi apparatus is to
    • A. 

      Store food

    • B. 

      Move the cell

    • C. 

      Produce energy

    • D. 

      Package proteins

Back to Top Back to top
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.