Mcq

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Mcq

  1. 1. IA plant requires nitrogen and sulfur for its:• A. Cell wall• B. Enzymes.• C. Starch deposits• D. DNA replication
  2. 2. II A plant requires potassium for:• A. Synthesizing protein• B. Synthesizing chlorophyll$$$$$$$• C. Opening and closing of stomata.
  3. 3. IIICarnivorous (?insectivorous)plants live in soils that are deficient in:• A. Water• B. Oxygen• C. Nitrogen?????most likely( page 236 in nutritiona in insectivorous plants• D. Iron.
  4. 4. IV Most vitamins function as• A. Catalyst$$$$$$$$$• B. High energy compound• C. Gastro vascular cavity.• D. Transport molecule.
  5. 5. V Digestion in hydra and planaria takes place within its:• A. Coelom$$$$$$$$$$$• B. Alimentary tract• C. Gastro vacular cavity• D. Mouth
  6. 6. VI Mucus in saliva is made of:• A. Glycolipids• B. Glycoproteins******• C. Phopholipids• D. Saturated fatty acids• One example of glycoproteins found in the body is mucins, which are secreted in the mucus of the respiratory and digestive tracts. The sugars attached to mucins give them considerable water-holding capacity and also make them resistant to proteolysis by digestive enzymes.• fromhttp://en.wikipedia.org/wiki/Glycoprotein
  7. 7. VII The structure in the mouth that prevent food from entering the nasal cavities is the:• A. Epiglottis• B. Soft palate$$$$$$$$$• C. Tongue• D. Pharnyx
  8. 8. A mammalian herbivore has:• A. Fewer teeth than a carnivore.• B. Flatter teeth than a carnivore$$$$$• C. More teeth than a carnivore• D. More pointed teeth than a carnivore.• Herbivores teeth are not pointed, but flat edged. These are useful tools for biting, crushing and grinding.
  9. 9. Many humans become ill from consuming milk and milk products because they lack:• A. Bacteria in their intestines.• B. Renin• C. Lactase$$$$$$• D. Hydrochloric acid.
  10. 10. Which of the following animals has no need for a gall bladdar?• A. Cat• B. Man• C. Lion???? I dont know. Any body?• D. Goat.

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