Biology SOLs , Part I

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BiologySOLs , Part I

• 2006 Released Test

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1. Which data point on the graph is probably
invalid?

• A. 4
• B. 3
• C. 2
• D. 1

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2. Which method of fly control would be most
harmful to other organisms in the environment?

• A. Releasing sterilized male flies
• B. Planting carnivorous plants
• C. Using fly traps
• D. Spraying broad-range insecticides

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3. In conditions of stress or fear, the human
adrenal gland may produce adrenaline. Which of
the following is an effect adrenaline can have on
the body?

• A. Decreased heart rate
• B. Increased production of red blood cells
• C. Increased blood pressure
• D. Decreased rate of breathing

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4. After a culture of cells is allowed
tomultiply and is viewed through a microscope,
the cells are x-rayed with high-energy radiation
for less than 1/100th of a second. After the
radiation, many newly reproduced cells appear
different. What has probably occurred?

• A. Mutation
• B. Contamination
• C. Bacterial infection
• D. Speciation

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5. Which pair of structures best shows that
plant cells have functions different from animal
cells?

• A. Chloroplasts and cell walls
• B. Cytoplasm and mitochondria
• C. Nuclei and centrioles
• D. Ribosomes and cell membranes

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6. Two plants are crossed, and the traits of
height and color are assessed in the offspring.
The following cross (see handout) was conducted
TTPP ttpp. Which of the following choices
correctly describes the offspring?

• A. Three-quarters of the plants are tall and
  purple.
• B. Three-quarters of the plants are short and
  white.
• C. All are short and white.
• D. All are tall and purple.

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7. One strand of DNA could be as long as a
football field if it were stretched out
lengthwise. One of the factors allowing DNA to
fit inside the nucleus of a cell is its ability
to

• A. break apart into separate genes
• B. extend to form very long, thin molecules
• C. denature from the effect of an enzyme
• D. coil tightly around associated proteins

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8. In an experiment, the height of
severalplants was recorded daily in millimeters.
Which tool would be the most accurate and
appropriate for this measurement?

• A. Digital scale
• B. Graduated cylinder
• C. Metric ruler
• D. Yardstick

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9. According to this map, which animal would most
likely avoid cold waters?

• A. Manatee
• B. Walrus
• C. Right whale
• D. Bottlenose dolphin

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10. In squash plants, yellow fruit (Y)
isdominant to white fruit (y). If two plants
heterozygous for yellow fruit are crossed, what
are the possible genotypes of the offspring?

• A. Yy, yy only
• B. Yy only
• C. YY, Yy, yy only
• D. YY, yy only

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11. Which statement is best supported by the
phylogenetic tree shown? (See handout)

• A. Species W first came into existence 10
  million years ago.
• B. Species X, Y, and Z became extinct 20
  million years ago.
• C. Species W is still developing from a prior
  species.
• D. Species V is still alive today and is the
  oldest species.

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12. Meiosis is the process by whichgametes are
produced. In which of the following human organs
does meiosis occur?

• A. Testis
• B. Liver
• C. Skin
• D. Pancreas

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13. When an animal eats, food stays inthe
stomach for a period of time. When a unicellular
organism, such as Paramecium, takes in food, the
food is contained in which organelle?

• A. Nucleus
• B. Vacuole
• C. Mitochondrion
• D. Chloroplast

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14. Which type of animal is most closelyrelated
to a mammal, based on heartstructure?

• A. Fish
• B. Bird
• C. Turtle
• D. Frog

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15. Animals that are the least
specializedgenerally stand the best chance of
survival when the environment suddenly and
drastically changes because they are able to

• A. reproduce abundantly
• B. move from place to place
• C. mutate rapidly
• D. adapt to different conditions

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16. Ascidians are sac-like marine organisms.
Their larvae have well-developed brains and
dorsal nerve cords. This suggests that ascidians
should be classified with the

• A. sponges
• B. cnidarians
• C. chordates
• D. annelids

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17. A students experiment showed that
earthworms move away from light. This statement
should be classified as

• A. a conclusion
• B. a prediction
• C. a hypothesis
• D. an inference

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18. What is the function of enzymes in
biological systems?

• A. Enzymes act as substrates when the
  necessary proteins are unavailable.
• B. Enzymes act as products to create new
• chemical reactions.
• C. Enzymes act as catalysts to drive
  chemical reactions forward.
• D. Enzymes bond with substrates to
  create the new reaction products.

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19. The results of Pasteurs experiment helped
Pasteur to

• A. isolate the virus responsible for smallpox
• B. reject the theory of spontaneous
  generation
• C. produce a vaccine against rabies
• D. convince people to cover food

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20. Scientists hypothesize that oxygenbegan to
accumulate in Earths atmosphere after the
appearance of living things with the ability to

• A. photosynthesize
• B. breathe air
• C. reproduce sexually
• D. form tissues

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21. Fossils help scientists classify extinct
species and determine their relationships to
current species. Fossils provide the most
information about extinct species

• A. reproduction
• B. metabolism
• C. habitats
• D. structures

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22. Data about the climate in an ecosystem were
collected for 30 years. Which hypothesis about a
population of eagles could be made based on the
climate data collected?

• A. Eagle chick survival is directly related to
  annual rainfall amounts.
• B. An outbreak of disease in 1987 killed 82
  of the eagle population.
• C. Eagles remain with the same mate
  throughout their lifetime.
• D. Mortality of eagles from pesticides after
  1992 was less than 5.

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23. As part of their training, biologistslearn
the history of developments in their field of
interest. Which best explains the importance of
this education?

• A. It allows scientists to rule out models
  that have already been tested.
• B. It narrows their field of research because
  most important discoveries in biology have
  already been made.
• C. It gives biologists an understanding of
  their field so they can expand on earlier
  knowledge.
• D. It provides background information since
  most conclusions from before 1950 have been
  disproved.

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24. Which of these organisms contains no
specialized cells?

• A. Sea anemone
• B. Jellyfish
• C. Paramecium
• D. Sponge

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25. A mushroom and a humpback whale are alike
because both are

• A. motile
• B. heterotrophic
• C. prokaryotic
• D. unicellular

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Thats All Folks!