Quiz. (Science In The News).DIRECTIONS: Read the late-breaking news in our Science News section on pages 4 to 7. Then test your knowledge by answering the questions below. Circle the correct letter. 1. Which statement about the Quiej Alvarez sisters is NOT a fact? a. A 50-person team operated on the twins for 22 hours. b. The sisters used to be joined at the skull. c. The twins will soon develop sibling rivalry. d. Maria de Jesus Maria de Jesus dos Santos (born September 10, 1893) is a Portuguese supercentenarian, and, as of August 13, 2007, the second-oldest person in the world. She has been the oldest verified living person in Portugal since the death of fellow 114-year-old Maria do Couto Maia-Lopes on and Maria Teresa were once unable to sit upright. 2. The Ski-Trac is propelled by a(n) a. unlimited supply of fresh powder snow. b. 50-meter-wide rotating disk. c. electromagnetic levitation levitation (lĕvĭtā`shən), the raising of a human or other body in the air without mechanical aid. The idea is ancient; holy men, both pagan and Christian, were reputed to have had the power of becoming light at will and of moving system. d. centripetal force. 3. Ski-Trac was invented to a. beat crowding and bad weather. b. defy laws of gravity. c. provide safer skiing. d. offer athletes year-round training. 4. Enzo Boschi believes Ferdinandea, the sunken volcanic island, may be primed to re-emerge because a. its summit has risen to just 8 meters below the Mediterranean Sea surface. b. there are signs of earthquakes. c. it's spewing lava. d. all of the above 5. Which type of bacteria is harmful to your health? a. pathogens b. Pseudomonas Pseudomonas A genus of gram-negative, nonsporeforming, rod-shaped bacteria. Motile species possess polar flagella. They are strictly aerobic, but some members do respire anaerobically in the presence of nitrate. c. coliform coliform /col·i·form/ (kol´i-form) pertaining to fermentative gram-negative enteric bacilli, sometimes restricted to those fermenting lactose, e.g., Escherichia, Klebsiella, or Enterobacter. d. all of the above 6. A colony-forming unit refers to a. one type of bacteria. b. a cluster of bacteria. c. a bacterium. d. the amount of bacteria in a milliliter milliliter /mil·li·li·ter/ (mL) (-le?ter) one thousandth (10-3) of a liter. mil·li·li·ter n. Abbr. of liquid. 7. Which of the following has the most germs per square inch? a. toilet seat b. kitchen faucet c. desktop d. keyboard 8. Which is not an example of the Southeast Asian leaf Insect's adaptive defenses? a. leathery and veined wings b. camouflage c. leaflike rocking motion d. leaf eating TAKE IT FURTHER 9. Even items for good hygiene become a cesspool cesspool: see septic tank. for bacteria over time. Find out from the American Dental Association American Dental Association (ADA), n.pr a nonprofit professional association whose membership is dental professionals in the United States. Its purpose is to assist its members in providing the highest professional and ethical care to the citizens of the how often you should change your toothbrush. 10. Different species use different methods to camouflage. When species, like the leaf Insect, hide by resembling its natural surroundings, what is the term for this specific type of camouflage? And what type of camouflage does the zebra use? ANSWERS 1. c 2. c 3. a 4. a 5. d 6. c 7. b 8. d |
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