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DIRECTIONS Read each question and choose the best answer. Then mark the circle next to the letter for the answer you have chosen.

2 The graph shows the results of a restocking program in which shrimp raised on a shrimp farm are released into the wild. If this trend continues, about how many metric tons of shrimp will be released in 1999?

1 The picture shows a student reading a graduated cylinder. Which change would help ensure that a F 12 more accurate measurement is made? G 13

A The student should be seated. H 14 B The cylinder should be held with two J 15 hands. C The student should be wearing insulated gloves. The cylinder should be on a flat D surface. 4 After a patient has had hip replacement surgery, which person would most likely assist the patient in regaining muscle tone in the affected leg?

F Surgical technologist G Genetic counselor H Diagnostic sonographer J Physical therapist

3 The chart shows the range of numbers of nucleotides among species of different groups of plants. Which of these groups has the largest range of nucleotide numbers among its species?

A Bryophyta (mosses and liverworts) B Lycopsida (club mosses) C Gymnospermae (cedars and pines) D Pteropsida (ferns)

5 Which of these is required during aerobic 6 The process of cloning involves making an respiration? identical copy of a cell's --

A Boron F cytoplasm B Oxygen G DNA C Iodine H ribosomes Nitroge D J ATP n

Typical Diet of a Pallid Bat, Antrozous pallidus

Organism Percent of Diet

Moths 50

Flies 25

Cicadas 12

Centipedes 8

Scorpions 5

7 The chart shows the types of invertebrates often consumed each night by a pallid bat. Which graph best represents these data?

8 The graph shows the growth of a Daphnia population in a 420- liter aquarium. According to these data, what was the approximate Daphnia population by the end of the second day?

F 40 G 60 H 80 10 J 0 10 The biome with the greatest number of Nutrition Information species would also have the greatest variation in -- Cereal with Cereal F solar energy Nonfat (30g) Milk G habitats (118 mL) H annual rainfall % Daily % Daily Nutrient J temperatures Value* Value*

Calcium 2 15

Niacin 2 10

Protein 6 15

Carbohydrate 12 13 *Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

9 According to this label, which nutrient is obtained mainly from the cereal?

A Calcium B Niacin C Protein Carbohydra D te 12 Which piece of laboratory equipment is used for Thirty breeding pairs of dissecting a flower's pistil? rabbits were introduced onto an island with no natural predators and a good supply F of water, shrubs, and grasses.

G 11 Over the next few years, the rabbit population will probably --

H A remain relatively constant due to equal birth and death rates B die out due to inbreeding J C increase until the food supply runs low D decrease as the number of rabbit per litter decreases

Methanol Potential Health Hazards Potential Fire of Explosion Hazards  Flammable/combustible material: may  Poisonous: may be fatal if inhaled, be ignited by heat, sparks or flames swallowed, or absorbed through the  Vapors may travel to a source of skin ignition and flash back.  Contact may cause burns to skin and  Vapor explosion and poison hazard eyes. indoors, outdoors, or in sewers

 Runoff from fire control or dilution  Runoff to sewers may create fire or water may cause pollution. explosion hazard.

13 The best safety precaution to use when working with methanol is to --

A wear protective ear devices B avoid contact with fumes

C store it in a metal container

D avoid using a CO2 extinguisher 14 Dr. F. Agnes Stroud-Lee determines the origins of birth defects by studying chromosome abnormalities. Dr. Stroud- Lee’s research could involve all of these topics EXCEPT —

F chemicals that alter the DNA arrangement G plants that show variable rates of photosynthesis H radiation that can pass through cytoplasm J mitosis that produces multiple copies of genetic material

15 The average length of these snail shells is --

A 2.1 cm B 2.3 cm

C 2.5 cm D 2.7 cm 17 The body cells of an individual plant have 50 chromosomes. How many chromosomes would be found in the gametes produced this plant?

A 5 B 10 C 25 D 50

16 The bulk of these short-grass prairie plants is underground. Then main benefit that these plants receive from this adaptation is --

F more surface area for the absorption of water G more resistance to insect-transmitted diseases H increased ability to maintain cooler leaf temperatures J improved ability to detect areas high in carbon dioxide

18 Which of these DECREASES as the number of fish in a small pond increases?

F Competition for food G Levels of body wastes in the pond H Number of available nesting sites J Number of predators

19 According to this graph, during a chemical reaction enzymes --

A decrease the required time B raise the energy produced C lower the required activation energy D increase the initial-state energy

20 Which mRNA sequence complements the above section of DNA?

F C U A G G A G T C G A A G H C T A G G C A G C U U J C 21 Bubonic plague is to fleas as Lyme disease is to --

A people B ticks C flies D deer

22 Which of these toads would compete the MOST with Woodhouse's toad for food and habitat?

23 Why does the white-tailed deer population drop when the carrying capacity is exceeded?

A Resources are too low to support the population. B Weather changes reduce the deer population. C The height of edible plants exceeds the height of the deer. D Competition by other animals is greatly reduced.

A Study of Seed Germination

Number Average Number pH of of Germination of Trials Rainwater Seeds (%)

25 200 7.2 92

25 200 7.0 93

25 200 6.0 81

25 200 5.0 20

25 200 4.0 less than 5

24 Which of these graph axes would be best to use to analyze these data?

F H G J

25 To save the wine industry of France, Louis Insect Pasteur developed a process in which the Traits wine was heated and cooled. This process Order still has a major effect in the United States because it helps -- · Incomplete metamorphosis · Two pairs of A control pathogens in milk Orthoptera straight, membranous wings B distribute antibiotics to children · Biting and chewing C reduce fiber in orange juice mouthparts provide vitamins to the D · Complete elderly metamorphosis · One pair of hard wings, one pair of Coleoptera membranous wings · Tough exoskeleton · Biting and chewing mouthparts

· Complete metamorphosis · Two pairs of scale- Lepidoptera covered wings · Hairy exoskeleton · Long, coiled tongue

· Complete metamorphosis · Two pairs of membranous wings Hymenoptera · Chewing or sucking mouthparts · Many social species · Tough exoskeleton

26 Which trait is best used to distinguish between Coleoptera and Hymenoptera?

F Style of metamorphosis

G Type of wing structures H Kind of mouthparts J Presence of an exoskeleton

27 Which of these is most important for safety 28 Which of the following is a consumer-producer when heating a liquid in a test tube? relationship?

Have a fire extinguisher in the A F Roadrunners eating snakes room G Snakes eating toads B Heat the bottom of the test tube H Toads eating grasshoppers C Wear protective eyewear J Grasshoppers eating grass D Hold the test tube in the yellow part of the flame 30 Hot plates are usually safer heat sources than gas burners are. However, hot plates sometimes develop short circuits Fragments of and catch on fire. Which class of fire extinguisher should Four Strands of DNA be used to put out a burning hot plate?

Fragment Nucleotide Order

Q G T G G A T C T A F R G C G C A T C A T

S A C G T C A C C G

T C A G G C T G A A G 29 The shaded areas of the chart show the nucleotides that four fragments of DNA have in common. Which fragment is most different from the other three?

H A Q B R C S D T J

32 In 1871 Friedrich Miescher isolated Skeletal, Muscular, Circulatory DNA and RNA from cell nuclei. Which field of science most benefited from

Miescher’s research? 31 The list shows the most important systems used

when a horse takes a step. Which of these should also be included in the list above? F Botany G Microbiology A Endocrine B Reproductive H Genetics C Digestive J Zoology D Nervous

Characteristics of Bacteria Common Name Description Appearance

Bacillus Rod shaped

Coccus Spherical

Spirillum Spiral

Prefix to Meaning of Prefix Appearance Common Name

Diplo- Two

Strepto- Chainlike strands

Staphylo- Grapelike structures

33 Which bacteria could be classified as a streptobacillus?

34 The diagram shows some of the stages in cellular respiration. Which of the following gives the stages in the correct order?

F Electron transport system, Krebs cycle, glycolysis G Glycolysis, electron transport system, Krebs cycle H Krebs cycle, glycolysis, electron transport system J Glycolysis, Krebs cycle, electron transport system

35 Organisms may be classified as consumers 36 Which question can NOT be answered or producers. Which of these is classified scientifically? as a producer? What is the sound frequency of F A An insect a bird’s song? G How fast does a flower grow? B A bird What is the heart rate of a H C A tree shark? A Which cat has the most D J mouse attractive coat? 37 Which of these would be best to use when transferring 0.01 mL of a solution to a test tube?

D 38 The HIV retrovirus causes a disease in people 39 Which of these is NOT an inherited trait? because it --

A Eye color F produces an exotoxin B Tendency to grow hair on fingers G destroys white blood cells C Type of blood stimulates the growth of immature H cells D Style of handwriting causes the loss of plasma J nutrients

Number of Nesting Pairs in a Purple Martin Colony

Number of Week Nesting Pairs

40 If this trend continues, how many nesting pairs of purple martins will there be in the colony by the end of the fourth week?

F 15 G 16 H 17 J 18

41 Turgor is the internal cytoplasmic pressure that results from the amount of water absorbed by plant cells. The picture shows a turgor pressure demonstration using stalks of celery in different salt solutions. Which of these shows the celery stalks in order from the one with the most turgor pressure to the one with the least turgor pressure?

A Q, T, S, R B R, S, T, Q C S, R, T, Q D T, Q, R, S

42 In order to develop safe products, designers of scuba diving equipment must be aware of the needs of the circulatory system and the —

F digestive system G respiratory system H lymphatic system J endocrine system