Biology SOLs , Part I

BiologySOLs , Part I 2006 Released Test

A. 4 B. 3 C. 2 D. 1 1. Which data point on the graph is probably invalid?

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CORRECT Click to go to next question!

A. Releasing sterilized male flies B. Planting carnivorous plants C. Using fly traps D. Spraying broad-range insecticides 2. Which method of fly control would be most harmful to other organisms in the environment?

A. Decreased heart rate B. Increased production of red blood cells C. Increased blood pressure D. Decreased rate of breathing 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. Mutation B. Contamination C. Bacterial infection D. Speciation 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. Chloroplasts and cell walls B. Cytoplasm and mitochondria C. Nuclei and centrioles D. Ribosomes and cell membranes 5. Which pair of structures best shows that plant cells have functions different from animal cells?

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. 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. 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 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. Digital scale B. Graduated cylinder C. Metric ruler D. Yardstick 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. Manatee B. Walrus C. Right whale D. Bottlenose dolphin 9. According to this map, which animal would most likely avoid cold waters?

A. Yy, yy only B. Yy only C. YY, Yy, yy only D. YY, yy only 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. 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. 11. Which statement is best supported by the phylogenetic tree shown? (See handout)

A. Testis B. Liver C. Skin D. Pancreas 12. Meiosis is the process by whichgametes are produced. In which of the following human organs does meiosis occur?

A. Nucleus B. Vacuole C. Mitochondrion D. Chloroplast 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. Fish B. Bird C. Turtle D. Frog 14. Which type of animal is most closelyrelated to a mammal, based on heartstructure?

A. reproduce abundantly B. move from place to place C. mutate rapidly D. adapt to different conditions 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. sponges B. cnidarians C. chordates D. annelids 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. a conclusion B. a prediction C. a hypothesis D. an inference 17. A student’s experiment showed that earthworms move away from light. This statement should be classified as —

Biology SOLs , Part I

Biology SOLs , Part I

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