Quiz  /  Biomolecules Class 9 MCQ Questions With Answers

  • 1. 
    Lipids are made up of which of the following?

  • glycerol and fatty acids tails
  • glycerol and monolipids
  • fatty acids and phosolipids
  • amino acids and nucleotides

  • 2. 
    What is a function of lipids?

  • To provide short term energy to living organisms
  • The provide the structure in muscles
  • To provide long term storage of energy
  • Storing your genetic information

  • 3. 
    Carbon, Hydrogen, Oxygen and Nitrogen are the elements that make up______?

  • Carbohydrate
  • Lipid
  • Protein
  • Nucleic acid

  • 4. 
    Which biomolecule functions include enzymes­ which speeds the rate of chemical reactions, structural components in cells, mechanical functions in muscles and cytoskeleton, cell signaling, and immune response; provides structure and helps with chemical reactions

  • Protein
  • Lipids
  • Carbohydrate
  • Nucleic Acid

  • 5. 
    Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?

  • Nucleic Acid
  • Lipid
  • Carbohydrate
  • Protein

  • 6. 
    This biomolecule would be used for

  • Building enzymes
  • Storing energy
  • Key source of energy
  • Storing genetic information

  • 7. 
    Which of the following is NOT a lipid?

  • Fats
  • Oils
  • Waxes
  • Proteins

  • 8. 
    What biomolecule do enzymes belong to?

  • Carbohydrate
  • Lipid
  • Nucleic Acid
  • Protein

  • 9. 
    What biomolecules are NOT used for energy (two answers, choose both before continuing)?

  • Nucleic acids
  • Proteins
  • Lipids
  • Both A & B

  • 10. 
    The arrangement of which three components is used to distinguish one molecule from another?

  • carbon, hydrogen, and oxygen
  • glucose, fructose, and ribose
  • peptide, fatty acid, and purine
  • water, carbon dioxide, and notrogen

  • 11. 
    What is the monomer of nucleic acids?

  • Glycerol
  • Monosaccharides
  • Amino Acids
  • Nucleotides

  • 12. 
    Which biomolecule is this a picture of?

  • Protein
  • Nucleic Acid
  • Lipid
  • Carbohydrate

  • 13. 
    Oils are which type of macromolecule?

  • carbohydrates
  • lipids
  • nucleic acids
  • proteins

  • 14. 
    The waxy, organic substances used by aquatic birds to coat their feathers, when analyzed consists mostly of

  • lipids
  • proteins
  • carbohydrates
  • nucleic acids

  • 15. 
    What is the best definition of the function of nucleic acids?

  • They contain defense mechanisms against bacteria
  • They contain the information that makes you and makes you different from every other living thing
  • They are used as the structural components of the body (muscles and organs)
  • They create the cell membrane

  • 16. 
    What is the monomer for a protein?

  • Monosaccharide
  • Triglyceride
  • Amino Acid
  • Nucleotide

  • 17. 
    Name this biomolecule

  • carbohydrate
  • lipid
  • nucleic acid
  • protein

  • 18. 
    What does organic mean (in science)?

  • It costs more at the grocery store
  • It contains carbon
  • It is made of many individual parts
  • It produces energy

  • 19. 
    What is the function of proteins?

  • They are used for cell to cell communication
  • They insulate the body, are used for short term energy and are found in glycogen
  • They are used as the structural components of the body (muscles and organs)
  • They create the cell membrane

  • 20. 
    All polymers are made up of...

  • monosaccharides
  • monomers
  • proteins
  • None of these

  • 21. 
    What are foods that are high in carbs?

  • Eggs, fish, poultry
  • Cheese, meats, vegetables
  • Bread, potatoes, and pasta
  • Multitude of oils, butter and condiments

  • 22. 
    Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones

  • Nucleic Acid
  • Lipids
  • Carbohydrate
  • Protein
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