DIRECTIONS
Read each question and choose the best answer. Then mark the circle next to the letter for the answer you have chosen.
1 / The picture shows a student reading a graduated cylinder. Which change would help ensure that a more accurate measurement is made?
/ A / The student should be seated.
/ B / The cylinder should be held with two hands.
/ C / The student should be wearing insulated gloves.
/ D / The cylinder should be on a flat surface.
/
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?
/ F / 12
/ G / 13
/ H / 14
/ J / 15
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)
/ 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
5 / Which of these is required during aerobic respiration?
/ A / Boron
/ B / Oxygen
/ C / Iodine
/ D / Nitrogen
/ 6 / The process of cloning involves making an identical copy of a cell's --
/ F / cytoplasm
/ G / DNA
/ H / ribosomes
/ J / ATP
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?
/ A / / / C /
/ B / / / D /
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
/ J / 100
Nutrition Information
Cereal
(30g) / Cereal with
Nonfat Milk
(118 mL)
Nutrient / % Daily
Value* / % Daily 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
/ D / Carbohydrate
/ 10 / The biome with the greatest number of species would also have the greatest variation in --
/ F / solar energy
/ G / habitats
/ H / annual rainfall
/ J / temperatures
Thirty breeding pairs of rabbits were introduced onto an island with no natural predators and a good supply of water, shrubs, and grasses.
11 / Over the next few years, the rabbit population will probably --
/ A / remain relatively constant due to equal birth and death rates
/ B / die out due to inbreeding
/ C / increase until the food supply runs low
/ D / decrease as the number of rabbit per litter decreases
/ 12 / Which piece of laboratory equipment is used for dissecting a flower's pistil?
/ F /
/ G /
/ H /
/ J /
Methanol
Potential Health Hazards / Potential Fire of Explosion Hazards
· Poisonous: may be fatal if inhaled, swallowed, or absorbed through the skin
· Contact may cause burns to skin and eyes.
· Runoff from fire control or dilution water may cause pollution. / · Flammable/combustible material: may be ignited by heat, sparks or flames
· Vapors may travel to a source of ignition and flash back.
· Vapor explosion and poison hazard indoors, outdoors, or in sewers
· Runoff to sewers may create fire or 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
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
/ 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
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
/ J / A G C U U 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?
/ F / / / H /
/ G / / / J /
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 of Trials / Number of Seeds / pH of Rainwater / Average Germination (%)
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 Pasteur developed a process in which the wine was heated and cooled. This process still has a major effect in the United States because it helps --
/ A / control pathogens in milk
/ B / distribute antibiotics to children
/ C / reduce fiber in orange juice
/ D / provide vitamins to the elderly
/ Insect Order / Traits
Orthoptera / · Incomplete metamorphosis
· Two pairs of straight, membranous wings
· Biting and chewing mouthparts
Coleoptera / · Complete metamorphosis
· One pair of hard wings, one pair of membranous wings
· Tough exoskeleton
· Biting and chewing mouthparts
Lepidoptera / · Complete metamorphosis
· Two pairs of scale-covered wings
· Hairy exoskeleton
· Long, coiled tongue
Hymenoptera / · Complete metamorphosis
· Two pairs of membranous wings
· 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 when heating a liquid in a test tube?
/ A / Have a fire extinguisher in the room
/ B / Heat the bottom of the test tube
/ C / Wear protective eyewear
/ D / Hold the test tube in the yellow part of the flame
/ 28 / Which of the following is a consumer-producer relationship?
/ F / Roadrunners eating snakes
/ G / Snakes eating toads
/ H / Toads eating grasshoppers
/ J / Grasshoppers eating grass
Fragments of
Four Strands of DNA
Fragment / Nucleotide Order
Q / G / T / G / G / A / T / C / T / A
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
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?
/ A / Q
/ B / R
/ C / S
/ D / T
/ 30 / Hot plates are usually safer heat sources than gas burners are. However, hot plates sometimes develop short circuits and catch on fire. Which class of fire extinguisher should be used to put out a burning hot plate?
/ F /
/ G /
/ H /
/ J /
Skeletal, Muscular, Circulatory
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?
/ A / Endocrine
/ B / Reproductive
/ C / Digestive
/ D / Nervous
/ 32 / In 1871 Friedrich Miescher isolated DNA and RNA from cell nuclei. Which field of science most benefited from Miescher’s research?
/ F / Botany
/ G / Microbiology
/ H / Genetics
/ J / Zoology
Characteristics of Bacteria
Common Name / Description / Appearance
Bacillus / Rod shaped /
Coccus / Spherical /
Spirillum / Spiral /
Prefix to Common Name / Meaning of Prefix / Appearance
Diplo- / Two /
Strepto- / Chainlike strands /
Staphylo- / Grapelike structures /
33 / Which bacteria could be classified as a streptobacillus?
/ A / / / C /
/ B / / / D /
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 or producers. Which of these is classified as a producer?
/ A / An insect
/ B / A bird
/ C / A tree
/ D / A mouse
/ 36 / Which question can NOT be answered scientifically?
/ F / What is the sound frequency of a bird’s song?
/ G / How fast does a flower grow?
/ H / What is the heart rate of a shark?
/ J / Which cat has the most attractive coat?
37 / Which of these would be best to use when transferring 0.01 mL of a solution to a test tube?
/ A /
/ B /
/ C /
/ D /
38 / The HIV retrovirus causes a disease in people because it --
/ F / produces an exotoxin
/ G / destroys white blood cells
/ H / stimulates the growth of immature cells
/ J / causes the loss of plasma nutrients
/ 39 / Which of these is NOT an inherited trait?
/ A / Eye color