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What is the only planet that is known to support life?
A. Venus
B. earth
C. Saturn
D. Mars
Answer: | B |
Where is food stored?
A. The gall bladder
B. the stomach
C. The esophagus
D. The liver
Answer: | B |
The vertebrae are divided into the cervical region, the thoracic region, and which other region?
A. central region
B. lumbar region
C. pelvic region
D. cylindrical region
Answer: | B |
What was used to measure the distance between the earth and the moon?
A. yardstick
B. laser beam
C. telescope
D. ultrasound
Answer: | B |
Upon entering the vestibular canal, the pressure waves push down on what duct?
A. the implant
B. the regrowth
C. the cochlear
D. the bile
Answer: | C |
Water is formed from oxygen and what other element?
A. hydrogen
B. lead
C. helium
D. calcium
Answer: | A |
What is the period from earth's origin to the beginning of the phanerozoic eon?
A. anatolian
B. Cenozoic
C. Paleolithic
D. precambrian
Answer: | D |
In a displacement graph, the slope of the line is the average what?
A. direction
B. time
C. velocity
D. speed
Answer: | C |
What is the process by which producers use the energy in sunlight to make food?
A. Leukemogenesis
B. glycolysis
C. photosynthesis
D. Embryogenesis
Answer: | C |
What is the term for something that limits the growth or development of an organism, population, or process?
A. controlling factor
B. variable
C. stumbling block
D. limiting factor
Answer: | D |
Where is glucose carried in the human body?
A. the brain
B. the heart
C. the liver
D. the blood
Answer: | D |
What are large glaciers that cover a larger area than just a valley?
A. ice caps
B. glacial continents
C. icebergs
D. ice floes
Answer: | A |
What type of reproduction do fungi engage in?
A. ephemeral
B. asexual
C. sexual
D. microscopic
Answer: | B |
What system transports minerals and water in a plant?
A. flowers
B. stamen
C. leaves
D. roots
Answer: | D |
What is the exchange of energy from one part of the universe to another called?
A. temperature
B. cold
C. heat
D. humidity
Answer: | C |
If environmental conditions deteriorate, many species can form protective what?
A. proteins
B. cysts
C. shells
D. fibers
Answer: | B |
In what subgroup are oligochaetes classified?
A. mammals
B. reptiles
C. polychaetes
D. insects
Answer: | C |
The crocodilia order, which includes crocodiles, alligators, caimans, and gharils, is part of what class of animals?
A. mammals
B. aquatic
C. reptiles
D. parasites
Answer: | C |
What fluid is most prevalent in your body?
A. Coolant
B. liquid
C. cold
D. water
Answer: | D |
What are negative electrons attracted to?
A. ions
B. positive protons
C. neutral electrons
D. hormones
Answer: | B |
The largest phylum in the animal kingdom, arthropod, is primarily comprised of what?
A. mammals
B. reptiles
C. insects
D. amphibians
Answer: | C |
Which country is formed by a hotspot along the mid-atlantic ridge?
A. Switzerland
B. iceland
C. finland
D. norway
Answer: | B |
What is an atom or group of bonded atoms that has a positive or negative charge?
A. an ion
B. an photon
C. an electron
D. a neutron
Answer: | A |
What type of reproduction produces offspring from a single parent that share the exact same genetic material as the parent?
A. mutation
B. microscopic reproduction
C. sexual reproduction
D. asexual reproduction
Answer: | D |
Invertebrates make up what percentage of all animal species?
A. 30 percent
B. 90 percent
C. 50 percent
D. 95 percent
Answer: | D |
What do monotremes lack though they have hair and produce milk?
A. tail
B. nipples
C. skin
D. nerves
Answer: | B |
What is muscle tissue that is attached to the bone called?
A. skeletal tisse
B. ligament
C. epithelial tissue
D. cartilage
Answer: | A |
What results from the evaporation of sea water?
A. oxygen
B. reef
C. carbon-di-oxide
D. salt
Answer: | D |
The human body regulates the use and storage of what simple sugar, a major cellular fuel?
A. glucose
B. secretion
C. carbohydrate
D. insulin
Answer: | A |
What planet did the voyager 1 spacecraft visit in 1980?
A. jupiter
B. mars
C. saturn
D. venus
Answer: | C |
What is the shortest phase of the sexual response cycle?
A. sexual stimulation
B. resolution phase
C. the orgasm
D. plateau phase
Answer: | C |
What is the name of the process by which plants use energy from sunlight to synthesize carbohydrates?
A. osmosis
B. cellular respiration
C. photosynthesis
D. pollination
Answer: | C |
Animals need plants for food and?
A. energy
B. shelter
C. reproduction
D. fuel
Answer: | A |
The product of a wave's wavelength and its frequency is what?
A. speed
B. velocity
C. amplitude
D. trough
Answer: | A |
How did lamarck believe species change over time?
A. inheritance of acquired characteristics
B. became larger
C. ecological of acquired characteristics
D. lose of acquired traits
Answer: | A |
Which is larger: the human sperm or the human egg?
A. zygote
B. human egg
C. human sperm
D. same size
Answer: | B |
What kind of reaction is a reaction in which two or more substances combine to form a single new substance?
A. compounding reaction
B. power reaction
C. chemical reaction
D. combination reaction
Answer: | D |
What is beyond the atmosphere?
A. vacuum
B. object
C. space
D. air
Answer: | C |
What structure does methane have?
A. three dimensional tetrahedra
B. two dimensional tetrahedra
C. two dimensional oxyhedra
D. three dimensional oxyhedra
Answer: | A |
What is the blastocyst called after implantation?
A. an embryo
B. an produce
C. trophoblast
D. an nucleus
Answer: | A |
What rate is generally higher for endotherms than for ectotherms?
A. mortality
B. metabolic
C. reproduction
D. respiration
Answer: | B |
What phylum includes snails, squids and clams?
A. cnidaria
B. protozoa
C. mollusca
D. porifera
Answer: | C |
What is the change in a species over time?
A. variation
B. evolution
C. transformation
D. phenomenon
Answer: | B |
What are the largest known proteins?
A. titins
B. hormones
C. actins
D. keratins
Answer: | A |
What term is used to describe the organism that is invaded and often harmed by a pathogen?
A. initial
B. parent
C. guardian
D. host
Answer: | D |
Untreated botulism is typically fatal because muscles required for breathing fail to contract when the release of what chemical is blocked?
A. monoxide
B. acetylcholine
C. carbon dioxide
D. hydrogen
Answer: | B |
The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet what?
A. very strong
B. Very light
C. very heavy
D. very reduced
Answer: | A |
Where do two or more bones of the skeleton meet?
A. joints
B. muscle paths
C. junctures
D. valves
Answer: | A |
Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish?
A. freshwater fish
B. cartilaginous
C. invertebrates
D. crustaceans
Answer: | B |
What process involves the flow of heat from warmer objects to cooler objects?
A. conduction
B. convection
C. activation
D. radiation
Answer: | A |
What broad category of animals shows adaptations from water-dwelling to land-dweller, including the ability to breathe air and legs to move on land?
A. reptiles
B. birds
C. amphibians
D. herbivores
Answer: | C |
What term is used to describe the tendency of a mineral to break along certain planes?
A. porosis
B. cleavage
C. tooth decay
D. erosion
Answer: | B |
What controls earth's magnetosphere?
A. gravitational field
B. ionosphere
C. stratosphere
D. magnetic field
Answer: | D |
In humans, pharyngeal slits later develop into what?
A. long ear
B. outer ear
C. middle ear
D. inner ear
Answer: | C |
What phenomenon involves the forcing of a substance into a cell against its concentration gradient?
A. secondary transport
B. osmosis
C. primary active transport
D. active absorption
Answer: | C |
What are used as model organisms in molecular biology and genetics?
A. weather slime molds
B. electromagnetic slime molds
C. convergent slime molds
D. cellular slime molds
Answer: | D |
The bones of the newborn skull are not fully ossified and are separated by large areas called what?
A. fontanelles
B. pores
C. sutures
D. fissures
Answer: | A |
With logistic growth, how does population growth start out?
A. exponentially
B. steadily
C. rapidly
D. slowly
Answer: | D |
What determines the color of visible light?
A. exact wavelength
B. wavelength density
C. molecular wavelength
D. wavelength speed
Answer: | A |
What do eukaryotic cells have that compartmentalize their functions?
A. internal membranes
B. cytoplasm
C. vacuoles
D. cell walls
Answer: | A |
Earth rotates on its axis once each day and revolves around the sun how often?
A. once each year
B. once each month
C. every other year
D. ever 3 years
Answer: | A |
What are the two types of fatty acids?
A. saturated and biodegradable
B. hydrochloric and carboxylic
C. saturated and endogenous
D. saturated and unsaturated
Answer: | D |
Lipids are available to the body from how many sources?
A. five
B. three
C. one
D. two
Answer: | B |
What is a silver-colored alkaline earth metal that is even softer than calcium?
A. mercury
B. strontium
C. lithium
D. magnesium
Answer: | B |
Statoliths are starch-filled plastids that enable plant roots to detect what force?
A. variation
B. current
C. gravity
D. impact
Answer: | C |
How does lysozyme destroy bacteria?
A. by eating them
B. by digesting their cell walls
C. by antibiotic use
D. by paralyzing them
Answer: | B |
The primary role of leaves is to collect what?
A. pollen
B. sunlight
C. precipitation
D. insects
Answer: | B |
Temperature can be defined as the average of what type of energy of the molecules?
A. optical
B. potential
C. kinetic
D. magnetic
Answer: | C |
What lens shape corrects myopia?
A. curve
B. convex
C. concave
D. flat
Answer: | C |
What serves to replace nonreproducing specialized cells as needed in the adult body?
A. dendritic cells
B. osteoclast cells
C. stem cells
D. monocyte cells
Answer: | C |
In physics, resistance is opposition to the flow of what?
A. surface flow
B. temperature charges
C. capacitance
D. electrical charges
Answer: | D |
What organs are the main organs of the urinary system?
A. spleen
B. prostate
C. gall bladder
D. kidneys
Answer: | D |
What phase follows ovulation?
A. varicose phase
B. telophase
C. interstitial phase
D. luteal phase
Answer: | D |
What is used to measure blood pressure?
A. sphygmomanometer
B. anemometer
C. barometer
D. spectrometer
Answer: | A |
Are the lungs organs of the excretory system, the respiratory system, or both?
A. neither
B. both
C. respiratory
D. excretory
Answer: | B |
Light has the properties of both a wave and what else?
A. particle
B. electron
C. atom
D. nucleus
Answer: | A |
Hagfishes have a skull made of what?
A. chitin
B. cartilage
C. bone
D. gelatin
Answer: | B |
Water molds are commonly found in moist soil and where else?
A. surface water
B. standing water
C. crust water
D. methane water
Answer: | A |
What is considered to be a person's entire genetic information?
A. organism
B. genome
C. chromosome
D. biosphere
Answer: | B |
Where does cellular respiration occur?
A. mitochondria
B. chloroplasts
C. nucleus
D. Golgi apparatus
Answer: | A |
What are jellyfish and other cnidarian's stingers called?
A. nematocysts
B. necrocytes
C. phenocrysts
D. prokaryotes
Answer: | A |
What is tube-shaped and brings urine from the kidneys to the urinary bladder?
A. vas deferens
B. gametophytes
C. ureters
D. fallopian tube
Answer: | C |
When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring?
A. active transport
B. osmosis
C. plasmolysis
D. diffusion
Answer: | B |
Water seeping into the ground is known as?
A. infiltration
B. precipitation
C. accumulation
D. invasion
Answer: | A |
What body system gets rid of waste?
A. digestive system
B. excretory system
C. Muscular system
D. nervous system
Answer: | B |
Through what form of energy transfer does the sun's energy travel?
A. solar burst
B. radiation
C. Fusion
D. convection
Answer: | B |
What are the only regions of space that electrons can occupy?
A. galaxies
B. orbits
C. inside nuclei
D. inside protons
Answer: | B |
What appears in autumn when cool air moves over a warm lake?
A. steam fog
B. misty fog
C. feature fog
D. movement fog
Answer: | A |
All cells need what for processes like active transport?
A. energy
B. oxygen
C. sunlight
D. hydrogen
Answer: | A |
In certain populations, some of the chromosomes have become what?
A. elongated
B. dissolved
C. composed
D. fused
Answer: | D |
What occurs as a result of the discharge of static electricity?
A. clouds
B. drought
C. lightning
D. thunder
Answer: | C |
Enzymes are a type of what, and as such, they are not reactants in the reactions they control?
A. neurotransmitter
B. hormone
C. catalyst
D. metabolite
Answer: | C |
The entire volume of what is filtered through the kidneys about 300 times per day?
A. gastric juice
B. blood
C. saliva
D. urine
Answer: | B |
The elements in group 2 are called what?
A. noble gases
B. metal alloys
C. halogens
D. alkaline earth metals
Answer: | D |
What term decribes the amount of time required for half of the original material to decay in an isotope?
A. half-life
B. life cycle
C. Geiger count
D. radioactive isotope
Answer: | A |
What occurs when water lost by transpiration is not replaced by absorbtion from room?
A. rotting
B. wilting
C. shedding
D. perspiration
Answer: | B |
Molds, pollen, and pet dander are examples of air pollution with what type of source?
A. physical
B. chemical
C. biological
D. ecological
Answer: | C |
Neurons are classified based on the direction in which they carry what?
A. metabolism impulses
B. neurotransmitters
C. nerve impulses
D. energy
Answer: | C |
What is the process of making an observation in terms of a numerical scale and recording the value?
A. measurement
B. respiration
C. graduation
D. ambient
Answer: | A |
What makes monotremes different than other mammals?
A. they lay eggs
B. they reproduce asexually
C. they spawn
D. they lack backbones
Answer: | A |
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