• 1. 
    A flap of tissue that prevents blood from flowing backward

  • Aorta
  • Atrium
  • Septum
  • Valve
  • 2. 
    The breakdown of complex carbohydrates resulted in the formation of

  • Monosaccharide
  • Disaccharide
  • Polysaccharide
  • Oligosaccharide
  • 3. 
    What organic molecule is necessary for cellular respiration to occur?

  • lipids
  • fats
  • carbondioxide
  • glucose
  • 4. 
    90% of Co2 is transported as _______

  • Carbonic acid
  • Carbamino compounds
  • ´╗┐Bicarbonates
  • all
  • 5. 
    The building blocks for various types of triglycerides are

  • Fatty acids
  • Amino acids
  • Acetic acid
  • None
  • 6. 
    ______ is a science dealing with composition of food-intake and assimilation in the body

  • Applied biology
  • Nutrition
  • Physiology
  • Genetics
  • 7. 
    The specimen is .........

  • Ameoba
  • Paramecium
  • Aurelia
  • Ascaris
  • 8. 
    What are the products of anaerobic respiration?

  • Glucose and oxygen
  • Carbon dioxide and water
  • Lactic acid
  • Carbon monoxide
  • 9. 
    What is the energy needed to start an chemical reaction referred to?

  • Cascading Energy
  • Potential Energy
  • Kinetic Energy
  • Activation energy
  • 10. 
    Animals excrete urea are called---------------------

  • Ureotelic
  • Ammonotelic
  • Ureotelic
  • None
  • 11. 
    A __________is a biocatalyst that increases the rate of the reaction without being changed.

  • Aluminum oxide
  • Silicon dioxide
  • Enzyme
  • Hydrogen peroxide
  • 12. 
    The heart muscles are supplied by a special circulation called ------------------

  • Systemic circulation
  • Pulmonary circulation
  • Coronary circulation
  • all
  • 13. 
    What are all of the chemical reactions that occur within anorganism referred to?

  • Enzymes
  • Macromolecules
  • Metabolism
  • Activation Energy
  • 14. 
    The mammalian trachea and esophagus both connect to the . . .

  • pharynx
  • stomach
  • large intestine
  • rectum
  • 15. 
    ____________ is a green coloured respiratory pigment

  • Pinnaglobin
  • Heamoerythrin
  • Chlorocruorin
  • Heamocyanin
  • 16. 
    Blood returning to the mammalian heart in a pulmonary vein drains first into the . ------------

  • left atrium
  • right atrium
  • left ventricle
  • right ventricle
  • 17. 
    The heart is made of which of the following types of muscles?

  • Cardiac muscle
  • Striated muscle
  • Smooth muscle
  • None of the above
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