AP Biology Test #1 Ecology, Plants, Animal Behavior

100 Questions | Total Attempts: 342

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AP Biology Test #1 Ecology, Plants, Animal Behavior

Multiple Choice: Choose the BEST answer from the choices given.


Questions and Answers
  • 1. 
    The plant cells responsible for the increase in the length of roots are located in the 
    • A. 

      Apical meristem

    • B. 

      Vascular cambium

    • C. 

      Cork cambium

    • D. 

      Secondary xylem

    • E. 

      Primary xylem

  • 2. 
    In the hydrological cycle, plants transfer most of their water to the environment through
    • A. 

      Photosynthesis

    • B. 

      Respiration

    • C. 

      Denitrification

    • D. 

      Nitrification

    • E. 

      Transpiration

  • 3. 
    Which of the following describes a correct order of events for the germination and early growth of a dicotyledon seedling?
    • A. 

      Cotyledon digestion---imbibition---root growth---shoot growth

    • B. 

      Imbibition---cotyledon digestion---root growth---shoot growth

    • C. 

      Cotyledon digestion---root growth---shoot growth---imbibition

    • D. 

      Root growth---shoot growth---cotyledon digestion---imbibition

    • E. 

      Cotyledon digestion---imbibition---shoot growth---root growth

  • 4. 
    The most fit individual in a population is defined as
    • A. 

      The strongest individual

    • B. 

      The individual with an appearance most attractive to the opposite sex

    • C. 

      The individual who produces the greatest number of fertile offspring

    • D. 

      The individual who is able to acquire the most food

    • E. 

      The individual who lives the longest

  • 5. 
    Which of the following nutrients most commonly limits plant growth?
    • A. 

      Calcium

    • B. 

      Carbon

    • C. 

      Nitrogen

    • D. 

      Phosphorous

    • E. 

      Potassium

  • 6. 
    All of the following structures or mechanisms have contributed to the ability of plants to make the transition from water to land EXCEPT:
    • A. 

      A cuticle

    • B. 

      A vascular system

    • C. 

      Seasonal dormancy

    • D. 

      Wind pollination

    • E. 

      Flagellated sperm

  • 7. 
    Which is found within the unfertilized, mature embryo sac of a flowering plant?
    • A. 

      The egg

    • B. 

      The microspore mother cell

    • C. 

      The endosperm

    • D. 

      The fruit

    • E. 

      The seed

  • 8. 
    Cell types of the phloem tissue include
    • A. 

      Sieve tube members and companion cells

    • B. 

      Tracheids and vessel elements

    • C. 

      Tracheids and companion cells

    • D. 

      Fibers and sclerids

    • E. 

      Fibers and companion cells

  • 9. 
    Lichens represent
    • A. 

      Parasitism

    • B. 

      Commensalism

    • C. 

      Mutualism

    • D. 

      Interspecific competition

    • E. 

      Intraspecific competition

  • 10. 
    Tapeworms live, eat, and reproduce inside the human digestive tract, robbing the host of nutrients
    • A. 

      Parasitism

    • B. 

      Commensalism

    • C. 

      Mutualism

    • D. 

      Interspecific competition

    • E. 

      Intraspecific competition

  • 11. 
    In deserts, where water is scarce, individuals of creosote bush rarely grow more closely than five meters from eachother
    • A. 

      Parasitism

    • B. 

      Commensalism

    • C. 

      Mutualism

    • D. 

      Interspecific competition

    • E. 

      Intraspecific competition

  • 12. 
    Barnacles that live on the backs of whales represent
    • A. 

      Parasitism

    • B. 

      Commensalism

    • C. 

      Mutualism

    • D. 

      Interspecific competition

    • E. 

      Intraspecific competition

  • 13. 
    In the biogeochemical cycle for carbon, carbon passes from inorganic to organic form through the process of 
    • A. 

      Ammonification

    • B. 

      Cellular respiration

    • C. 

      Decay

    • D. 

      Photosynthesis

    • E. 

      Transpiration

  • 14. 
    Cell types of xylem tissue include
    • A. 

      Tracheids and vessel elements

    • B. 

      Tracheids and companion cells

    • C. 

      Sieve tube members and companion cells

    • D. 

      Parenchyma and chlorenchyma

    • E. 

      Fibers and companion cells

  • 15. 
    Which of the following plant hormones inhibit growth?
    • A. 

      Abscisic acid

    • B. 

      Auxin

    • C. 

      Cytokinin

    • D. 

      Ethylene

    • E. 

      Gibberellin

  • 16. 
    In tall trees, most water and solutes move through the vascular system of a plant by
    • A. 

      Diffusion

    • B. 

      Osmosis

    • C. 

      Bulk flow

    • D. 

      Active transport

    • E. 

      Passive transport

  • 17. 
    Bear canisters are specially designed food containers that bears cannot open.  After trying a few times to open a canister, an experienced bear will soon ignore all canisters. What kind of behavior is the bear demonstrating when he ignores the canisters
    • A. 

      Imprinting

    • B. 

      Habituation

    • C. 

      Insight

    • D. 

      Trial-and-error

    • E. 

      Classical conditioning

  • 18. 
    Young ducklings first see a researchers red boots and then begin to follow him around.  What kind of behavior are the ducklings demonstrating?
    • A. 

      Imprinting

    • B. 

      Habituation

    • C. 

      Insight

    • D. 

      Trial-and-error

    • E. 

      Classical conditioning

  • 19. 
    In tropical regions where temperature, precipitation, and light are uniform throughout the year, growth rings that reveal the age of a tree
    • A. 

      Occur because wood growth in the spring produces larger cells than in the fall

    • B. 

      Occur because wood growth in the fall produces larger cells than in the spring

    • C. 

      Occur because cytoplasmic pigmentation is more abundant in the spring wood than in winter wood

    • D. 

      Occur because pigmentation resulting from nutrient storage in vacuoles is greater in the winter than in the spring

    • E. 

      Do not occur

  • 20. 
    In angiosperms, which of the following develops into an embryo after it is fertilized?
    • A. 

      The polar nuclei

    • B. 

      The embryo sac

    • C. 

      The ovule

    • D. 

      The egg

    • E. 

      The micropyle

  • 21. 
    Which of the following describes the mechanism by which a plant stem grows toward light?
    • A. 

      The plant seeks light in order to maximize photosynthesis.

    • B. 

      Nervelike impulses stimulate contractile cells on the lighted side of the stem.

    • C. 

      Cells on the dark side of the stem elongate more than those on the lighted side.

    • D. 

      The plant grows into an open area where its leaves will not be shaded by competing plants.

    • E. 

      The greater energy supply on the lighter side of the stem stimulates metabolism and growth on that side

  • 22. 
    The LEAST effective means of controlling pest species such as rats or roaches over a long period of time is to
    • A. 

      Limit food supply

    • B. 

      Reduce the number of potential habitats

    • C. 

      Distribute pesticides throughout the habitat

    • D. 

      Introduce predators of the pest

    • E. 

      Introduce a disease which affects only the pest

  • 23. 
    Which of the following levels of organization includes all of the others?
    • A. 

      Population

    • B. 

      Ecosystem

    • C. 

      Community

    • D. 

      Organism

    • E. 

      Habitat

  • 24. 
    All of the following statements concerning characteristics of predator-prey relationships are correct EXCEPT:
    • A. 

      A rise in the population of prey is often followed by a rise in the population of predators.

    • B. 

      A rise in the population of predators is followed by a decrease in the population of the prey.

    • C. 

      Camouflage is an adaptation that protects prey.

    • D. 

      The production of large numbers of offspring within very short periods of time ensures the survival of some prey populations

    • E. 

      The populations of predators most often eliminates the population of prey.

  • 25. 
    Flowering plants are capable of fertilization in the absence of water because the
    • A. 

      Processes of pollination and fertilization occur in the soil

    • B. 

      Pollen tubes deliver the sperm to the eggs

    • C. 

      Eggs develop without sperm by parthenogenesis

    • D. 

      Eggs have a structure that aids in their dispersal by wind

    • E. 

      Sperm contain large amounts of cytoplasm

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