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Dangers

  • Date Submitted: 03/28/2012 10:12 PM
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1994 AP Biology
SECTION I
Time – 1 hour and 30 minutes

Directions:   Each of the questions or incomplete statements below is followed by five suggested answers or completions.   Select the one that is best in each case and then fill in the corresponding oval on the answer sheet.

  1. Which of the following is the most abundant carbon-containing compound in the atmosphere of the Earth?
        (A)   Carbon monoxide
        (B)   Carbon dioxide
        (C)   Carbon tetrachloride
        (D)   Ethane
        (E)   Ozone


  2. During hibernation, the rate of cellular respiration in a mammal is typically less than half the rate measured when the mammal is not hibernating.   Such slowed cellular respiration is probably accompanied by which of the following?
          Pulse Rate Body Temperature
      (A) reduced reduced
      (B) unchanged reduced
      (C) reduced increased
      (D) unchanged increased
      (E) increased reduced

  3. Members of which of the following animal groups were among the first to inhabit land and were ancestors of the reptiles?
        A) Amphibian
        B) Arthropoda
        C) Aves
        D) Mammalian
        E) Echinodermata

  4. If 2n = 48 for a particular cell, then the chromosome number in each cell after meiosis would be
        A) 96
        B) 48
        C) 24
        D) 12
        E) 6







  5. Vascular plants with spores borne in sporangia on the underside of leaves are characteristic of which of the following plant groups?
        A) Bryophyte (mosses)
        B) Chrysophyta (golden algae)
        C) Anthophyta (flowering plants)
        D) Pteridophyta (ferns)
        E) Coniferophyta (conifers)

  6. If an invertebrate possesses nephridia as an excretory system, skin as a gas exchange system, and a closed circulatory system, the animal is most likely to be
        A) a snail
        B) a planarian
        C) an earthworm
        D) a grasshopper
        E) a jellyfish...

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