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What term means the amount of space matter takes up?
A. mass
B. volume
C. density
D. weight
Answer: | B |
All of the stages that a cell goes through make up what?
A. photosynthesis
B. cytokineses
C. glycolysis
D. the cell cycle
Answer: | D |
What term is used to describe birds that mate for an entire season or even stay paired for their entire life?
A. polygamous
B. homogeneous
C. monogamous
D. asexual
Answer: | C |
What branch of science offers an overview of the physiology of humans?
A. marine biology
B. engineer
C. geology
D. human biology
Answer: | D |
In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?
A. low blood pressure
B. digestion
C. high blood pressure
D. plaque formation
Answer: | D |
Moist skin distinguishes frogs from what animal with dry, bumpy skin?
A. snakes
B. newts
C. turtles
D. toads
Answer: | D |
Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what?
A. this obvious
B. become obvious
C. very obvious
D. not obvious
Answer: | D |
What is the term for movement toward light?
A. phototaxis
B. autolysis
C. phototropism
D. gravitational pull
Answer: | A |
Ultraviolet radiation has the highest energy; which has the lowest?
A. thermal
B. infrared
C. nuclear
D. kinetic
Answer: | B |
What kind of proteins either activate or deactivate the transcription of other genes?
A. carbon proteins
B. perfect regulatory proteins
C. master complex proteins
D. master regulatory proteins
Answer: | D |
What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
A. diabetes
B. anemia
C. colitis
D. hepatitis
Answer: | A |
According to the octet rule, magnesium is unstable because its valence shell has just two of what?
A. electrons
B. neutrons
C. protons
D. quarks
Answer: | A |
What make distant objects appear both nearer and larger?
A. lasers
B. astrolabes
C. telescopes
D. mirrors
Answer: | C |
The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
A. atmospheric pressure
B. nitrogen pressure
C. tidal pressure
D. gravity pressure
Answer: | A |
What is the oxygen-storing protein found in diving mammals' muscles called?
A. hemoglobin
B. pheromone
C. myoglobin
D. pigment
Answer: | C |
The modern atomic theory states that all matter is composed of what?
A. quarks
B. molecules
C. atoms
D. ions
Answer: | C |
Pressure has a significant effect on the solubility of what state of matter?
A. solids
B. water
C. gases
D. mixtures
Answer: | C |
The site of some nutrient absorption, the ileum is the third part of what digestive organ?
A. large intestine
B. small intestine
C. stomach
D. rectum
Answer: | B |
If both atoms are the same, they have the same electronegativity and share what type of bond?
A. nonpolar covalent
B. ionic
C. isotopic covalent
D. metabolic
Answer: | A |
What forms when oceanic crust subducts into the mantle at convergent plate boundaries?
A. volcanic mountain ranges
B. glaciers
C. tsunamis
D. coral
Answer: | A |
The skin plays an important role in preventing the escape of what commonly found liquid from the body?
A. stomach acid
B. urine
C. hormones
D. water
Answer: | D |
Which area of the human heart pumps the blood to the right ventricle?
A. left ventricle
B. true atrium
C. right atrium
D. left atrium
Answer: | C |
What moves sediments after they have formed?
A. photosynthesis
B. perspiration
C. erosion
D. migration
Answer: | C |
What involves the emission of a particle and/or energy as one atom changes into another?
A. atomic transformation
B. spontaneous mutation
C. enthalpy
D. radioactive decay
Answer: | D |
Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of this?
A. nutrients
B. carbonate
C. cellulose
D. fiber
Answer: | C |
What do you call a group of cells of the same kind that performs the same function?
A. nucleus
B. organ system
C. tissue
D. molecule
Answer: | C |
What is the name of a reactant in an enzymatic reaction?
A. membrane
B. tissues
C. substrate
D. Scar
Answer: | C |
The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you... | A |
What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product?
A. an addition reaction
B. single reaction
C. complete reaction
D. homeostasis
Answer: | A |
What is the main problem in both types of diabetes?
A. metabolism
B. blood pressure
C. blood concentration
D. insulin production
Answer: | D |
The structure of mitochondrion plays an important role in what?
A. sexual reproduction
B. aerobic respiration
C. cell division
D. magnetism
Answer: | B |
Topographic maps have a horizontal scale to indicate what distances?
A. horizontal
B. vertical
C. perpendicular
D. diagonal
Answer: | A |
What can occur when one end of a small diameter tube is immersed in liquid?
A. thermal action
B. diffusion action
C. transfusion action
D. capillary action
Answer: | D |
What kind of system do echinoderms possess?
A. primitive respiratory
B. water-based circulatory
C. photosynthetic
D. autonomic nerous system
Answer: | B |
Fossils provide a window into the past. they are evidence for what?
A. evolution
B. intelligent design
C. generation
D. emergence
Answer: | A |
Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
A. sex-linked disorders
B. genetic disorders
C. mutations
D. cancers
Answer: | B |
Near-earth asteroids cross paths with earth, meaning they could collide; what are the paths called?
A. curves
B. galaxies
C. orbits
D. trajectory
Answer: | C |
Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates?
A. kidneys
B. lungs
C. brains
D. hearts
Answer: | C |
This inverse relationship between solubility and temperature can be understood by looking at a what?
A. molecular model
B. potassium model
C. nutrient model
D. a slide
Answer: | A |
Energy from sunlight enters many ecosystems through what process?
A. photosynthesis
B. multiplication
C. isolation
D. reproduction
Answer: | A |
What is the world’s most serious resource problem?
A. water scarcity
B. gas shortage
C. citrus blight
D. deforestation
Answer: | A |
Quarks also have a different type of charge, called what?
A. pure charge
B. spontaneous charge
C. contrast charge
D. color charge
Answer: | D |
Thylakoids in a chloroplast contain what plant pigment?
A. dye
B. ultramarine
C. melanin
D. chlorophyll
Answer: | D |
The expulsion stage begins when the fetal head enters what?
A. you can see the umbilical cord
B. uterus
C. birth canal
D. head is outside vagina
Answer: | C |
What type of waste is likely to explode?
A. liquid waste
B. solid waste
C. explosive waste
D. mesh waste
Answer: | C |
Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?
A. barometer
B. accelerator
C. electromagnetic
D. radiation detector
Answer: | B |
A substance that displays different colors when in the presence of an acid or a base is called what?
A. reactor
B. pH scale
C. litmus test
D. an acid-base indicator
Answer: | D |
What is the name for the study of the plants and animals that live in fresh water bodies ?
A. limnology
B. hydrology
C. oceanography
D. nematology
Answer: | A |
What does urine leave the body through?
A. uterus
B. colon
C. vagina
D. urethra
Answer: | D |
What type of plant is the dominant group of land plants?
A. thermal plants
B. vascular plants
C. grass plants
D. oxygen plants
Answer: | B |
What term is used to describe a process in which material travels from regions of high concentration to low concentration until equilibrium is reached?
A. Osmosis
B. diffusion
C. fission
D. active transport
Answer: | B |
Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
A. biodiversity
B. ecosystem
C. habitats
D. refuge
Answer: | A |
Reactive elements are able to combine more what with other elements?
A. symmetrically
B. slowly
C. quickly
D. easily
Answer: | D |
What do scientists attach to aquatic animals to collect information?
A. fluorescent tags
B. ultraviolet tags
C. satellite tags
D. radio tags
Answer: | C |
Upon ovulation, the oocyte released by the ovary is swept into where?
A. placental barrier
B. uterine tube
C. vas deferens
D. umbilical cord
Answer: | B |
Giardiasis and malaria are diseases caused by what organism?
A. worms
B. larvae
C. bacteria
D. protozoa
Answer: | D |
The number of waves that pass a fixed point in a given amount of time is referred to as what?
A. wave harmonics
B. tendency frequency
C. wave frequency
D. wave speed
Answer: | C |
The name carbon tetrachloride implies one carbon atom and four of which other atoms?
A. iodine
B. nitrogen
C. chlorine
D. calcium
Answer: | C |
Most of a mushroom's surface area is actually where?
A. air
B. underground
C. hidden
D. underwater
Answer: | B |
Interneurons carry what back and forth between sensory and motor neurons?
A. nerve impulses
B. sciatica
C. flux impulses
D. electricity
Answer: | A |
What are the mineral deposits that fill in underground cracks called?
A. motherlode
B. veins
C. cores
D. currents
Answer: | B |
Some of the small moons of saturn are found within what features distinctive to the planet?
A. craters of saturn
B. crest of saturn
C. rings of saturn
D. interior of saturn
Answer: | C |
An image that is double the size of the object would have what?
A. magnification
B. configuration
C. illumination
D. stimulation
Answer: | A |
What is made up of bands of cells that contract for movement?
A. vascular tissue
B. muscle tissue
C. collagen
D. cartilage
Answer: | B |
What is the name of the muscular tube that carries urine out of the body?
A. urethra
B. rectum
C. bladder
D. uterus
Answer: | A |
Tissues are organized by what?
A. cells
B. lipids
C. structures
D. branches
Answer: | A |
Carbon released by burning fossil fuels contributes to what effect in the atmosphere?
A. shielding effect
B. cloud effect
C. smog effect
D. greenhouse effect
Answer: | D |
What are a class of biochemical compounds that living things use to store energy?
A. hydrocarbons
B. calories
C. proteins
D. lipids
Answer: | D |
Which element has an atomic number of 16?
A. methane
B. acid
C. oxygen
D. sulfur
Answer: | D |
Fossil evidence indicates that the ancestors of humans originated on which continent?
A. north america
B. south america
C. africa
D. australia
Answer: | C |
What will spores that eventually germinate develop into?
A. gametes
B. yeast cells
C. new hyphae
D. hydra
Answer: | C |
A binary molecular compound is made up of two of what?
A. elements
B. wafers
C. compounds
D. cells
Answer: | A |
Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
A. wavelength
B. gravity
C. energy
D. momentum
Answer: | A |
Do bacteria sexually reproduce?
A. yes
B. sometimes
C. they don't reproduce
D. no
Answer: | D |
What is type of sugar is produced through photosynthesis?
A. insulin
B. carbohydrates
C. glucose
D. glutamate
Answer: | C |
The light-sensing cells in the retina are called rods and what else?
A. cones
B. stents
C. sensor cells
D. light cells
Answer: | A |
Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what?
A. parasites
B. herbivores
C. marrow
D. blood
Answer: | D |
What is the type of plant that has a single cotelydon in the seedling?
A. moss
B. conifer
C. monocot
D. dicot
Answer: | C |
What element is essential for amino acid and nucleic acid production?
A. oxygen
B. nitrogen
C. carbon
D. hydrogen
Answer: | B |
In plants and algae where does photosynthesis takes place in?
A. chloroplasts
B. cell wall
C. nucleus
D. cytoplasm
Answer: | A |
What is crucial for the fermentation progress in making bread?
A. cold
B. larvae
C. yeast
D. fruit
Answer: | C |
What hormone does the endocrine system secrete to help cells absorb blood sugar?
A. Cortisol
B. glucose
C. testosterone
D. insulin
Answer: | D |
What part of the sporophyte produces microspores that form male gametophytes and megaspores that form female gametophytes?
A. pollen
B. leaves
C. flower
D. chloroplasts
Answer: | C |
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
A. keratinocytes
B. chondrocytes
C. phytocytes
D. nanoparticles
Answer: | B |
What is the greek word meaning "to help make things easier"?
A. toy
B. mode
C. machine
D. battery
Answer: | C |
High levels of radiation can remove electrons from?
A. acids
B. metals
C. humans
D. water
Answer: | B |
What is the only planet we know that has plate techtonics?
A. earth
B. Mars
C. Jupiter
D. Saturn
Answer: | A |
Variation in muscle cells gives further insight into some benefits of what type of respiration?
A. natural
B. aerobic
C. anaerobic
D. enzymatic
Answer: | C |
Violet and red are two types of what kind of light?
A. radioactive
B. ultraviolet
C. visible
D. infrared
Answer: | C |
The duodenum is a part of which part of the gi tract?
A. large intense
B. ulna
C. pharynx
D. small intestine
Answer: | D |
A complete ionic equation is a chemical equation in which the dissolved ionic compounds are written as what?
A. joined ions
B. separated ions
C. charged ions
D. realized ions
Answer: | B |
The barrier defenses are not a response to infections, but they are continuously working to protect against a broad range of what?
A. nutrients
B. mates
C. pathogens
D. ecosystems
Answer: | C |
A minority of people on earth use up most of the planet's what, including energy?
A. sand
B. resources
C. air
D. water
Answer: | B |
Groundwater dissolves minerals and carries the ions in a what?
A. mixture
B. transition
C. jet stream
D. solution
Answer: | D |
What is the area of our universe that isn't stars and galaxies called?
A. solar systems
B. nebula
C. dark matter
D. galaxies
Answer: | C |
What neurotransmitter is associated with the fight-or-flight response?
A. endorphins
B. adrenaline
C. stomach acid
D. bile
Answer: | B |
What do scientists think are the oldest eukaryotes?
A. prokaryotes
B. fungi
C. protists
D. arthropods
Answer: | C |
Geologists found that the youngest rocks on the seafloor were where?
A. late - ocean ridges
B. early - ocean ridges
C. seabed floor
D. mid - ocean ridges
Answer: | D |
The stability of an ecosystem depends on the actions of what, exemplified by mushrooms on a decaying log and bacteria in soil?
A. fluxes
B. whitefly
C. aphids
D. decomposers
Answer: | D |
Anabolic steroids, a form of the male sex hormone testosterone, are one of the most widely known performance-enhancing drugs. steroids are used to help build what?
A. nervous tissue
B. brain tissue
C. muscle mass
D. bone mass
Answer: | C |
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