question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: Which effect causes winds to strike the polar front at an angle?
Options:
A. axial tilt
B. centrifugal effect
C. Lake Effect
D. coriolis effect | D |
Question: Birds evolved from what type of ancestor?
Options:
A. fish
B. reptile
C. apes
D. insect | B |
Question: Which blood cells serve to defend the body in various ways?
Options:
A. blue blood cells
B. red blood cells
C. helper blood cells
D. white blood cells | D |
Question: Eutherian mammals possess a specialized structure called the corpus callosum that links what hemispheres?
Options:
A. cerebral
B. appendages
C. cortical
D. spatial | A |
Question: Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones?
Options:
A. cerebrum
B. thalamus
C. hypothalamus
D. hippocampus | C |
Question: Most reptile eggs can be laid on land, not in water and they are called what?
Options:
A. umbilical
B. amniotic
C. aqueous
D. Transitional | B |
Question: What do you call a small whole number placed in front of a formula in an equation in order to balance it?
Options:
A. divisible
B. correlation
C. coefficient
D. function | C |
Question: Because the earth is covered with vegetation, cellulose is the most abundant of all what?
Options:
A. impurities
B. carbohydrates
C. vegetables
D. rocks | B |
Question: The energy of a photon is directly proportional to the frequency of the electromagnetic what?
Options:
A. convection
B. radiation
C. evaporation
D. absorption | B |
Question: What term means the amount of space matter takes up?
Options:
A. weight
B. density
C. volume
D. mass | C |
Question: All of the stages that a cell goes through make up what?
Options:
A. glycolysis
B. cytokineses
C. photosynthesis
D. the cell cycle | D |
Question: What term is used to describe birds that mate for an entire season or even stay paired for their entire life?
Options:
A. monogamous
B. homogeneous
C. asexual
D. polygamous | A |
Question: What branch of science offers an overview of the physiology of humans?
Options:
A. human biology
B. geology
C. marine biology
D. engineer | A |
Question: In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?
Options:
A. digestion
B. plaque formation
C. low blood pressure
D. high blood pressure | B |
Question: Moist skin distinguishes frogs from what animal with dry, bumpy skin?
Options:
A. snakes
B. newts
C. turtles
D. toads | D |
Question: Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what?
Options:
A. this obvious
B. become obvious
C. very obvious
D. not obvious | D |
Question: What is the term for movement toward light?
Options:
A. phototropism
B. gravitational pull
C. autolysis
D. phototaxis | D |
Question: Ultraviolet radiation has the highest energy; which has the lowest?
Options:
A. thermal
B. kinetic
C. infrared
D. nuclear | C |
Question: What kind of proteins either activate or deactivate the transcription of other genes?
Options:
A. carbon proteins
B. master regulatory proteins
C. master complex proteins
D. perfect regulatory proteins | B |
Question: What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
Options:
A. hepatitis
B. anemia
C. colitis
D. diabetes | D |
Question: According to the octet rule, magnesium is unstable because its valence shell has just two of what?
Options:
A. quarks
B. protons
C. electrons
D. neutrons | C |
Question: What make distant objects appear both nearer and larger?
Options:
A. telescopes
B. astrolabes
C. mirrors
D. lasers | A |
Question: The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
Options:
A. tidal pressure
B. nitrogen pressure
C. atmospheric pressure
D. gravity pressure | C |
Question: What is the oxygen-storing protein found in diving mammals' muscles called?
Options:
A. hemoglobin
B. pigment
C. pheromone
D. myoglobin | D |
Question: The modern atomic theory states that all matter is composed of what?
Options:
A. atoms
B. ions
C. molecules
D. quarks | A |
Question: Pressure has a significant effect on the solubility of what state of matter?
Options:
A. water
B. solids
C. mixtures
D. gases | D |
Question: The site of some nutrient absorption, the ileum is the third part of what digestive organ?
Options:
A. small intestine
B. rectum
C. stomach
D. large intestine | A |
Question: If both atoms are the same, they have the same electronegativity and share what type of bond?
Options:
A. metabolic
B. ionic
C. nonpolar covalent
D. isotopic covalent | C |
Question: What forms when oceanic crust subducts into the mantle at convergent plate boundaries?
Options:
A. coral
B. volcanic mountain ranges
C. glaciers
D. tsunamis | B |
Question: The skin plays an important role in preventing the escape of what commonly found liquid from the body?
Options:
A. stomach acid
B. water
C. urine
D. hormones | B |
Question: Which area of the human heart pumps the blood to the right ventricle?
Options:
A. left ventricle
B. right atrium
C. true atrium
D. left atrium | B |
Question: What moves sediments after they have formed?
Options:
A. erosion
B. photosynthesis
C. migration
D. perspiration | A |
Question: What involves the emission of a particle and/or energy as one atom changes into another?
Options:
A. radioactive decay
B. spontaneous mutation
C. atomic transformation
D. enthalpy | A |
Question: 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?
Options:
A. cellulose
B. carbonate
C. nutrients
D. fiber | A |
Question: What do you call a group of cells of the same kind that performs the same function?
Options:
A. tissue
B. molecule
C. organ system
D. nucleus | A |
Question: What is the name of a reactant in an enzymatic reaction?
Options:
A. Scar
B. membrane
C. substrate
D. tissues | C |
Question: 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 ... | C |
Question: What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product?
Options:
A. an addition reaction
B. single reaction
C. homeostasis
D. complete reaction | A |
Question: What is the main problem in both types of diabetes?
Options:
A. blood concentration
B. blood pressure
C. metabolism
D. insulin production | D |
Question: The structure of mitochondrion plays an important role in what?
Options:
A. sexual reproduction
B. magnetism
C. aerobic respiration
D. cell division | C |
Question: Topographic maps have a horizontal scale to indicate what distances?
Options:
A. diagonal
B. perpendicular
C. horizontal
D. vertical | C |
Question: What can occur when one end of a small diameter tube is immersed in liquid?
Options:
A. capillary action
B. thermal action
C. diffusion action
D. transfusion action | A |
Question: What kind of system do echinoderms possess?
Options:
A. primitive respiratory
B. photosynthetic
C. water-based circulatory
D. autonomic nerous system | C |
Question: Fossils provide a window into the past. they are evidence for what?
Options:
A. intelligent design
B. evolution
C. emergence
D. generation | B |
Question: Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
Options:
A. sex-linked disorders
B. mutations
C. cancers
D. genetic disorders | D |
Question: Near-earth asteroids cross paths with earth, meaning they could collide; what are the paths called?
Options:
A. orbits
B. trajectory
C. galaxies
D. curves | A |
Question: Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates?
Options:
A. lungs
B. hearts
C. brains
D. kidneys | C |
Question: This inverse relationship between solubility and temperature can be understood by looking at a what?
Options:
A. molecular model
B. a slide
C. nutrient model
D. potassium model | A |
Question: Energy from sunlight enters many ecosystems through what process?
Options:
A. reproduction
B. isolation
C. photosynthesis
D. multiplication | C |
Question: What is the world’s most serious resource problem?
Options:
A. water scarcity
B. gas shortage
C. citrus blight
D. deforestation | A |
Question: Quarks also have a different type of charge, called what?
Options:
A. contrast charge
B. pure charge
C. color charge
D. spontaneous charge | C |
Question: Thylakoids in a chloroplast contain what plant pigment?
Options:
A. ultramarine
B. melanin
C. dye
D. chlorophyll | D |
Question: The expulsion stage begins when the fetal head enters what?
Options:
A. uterus
B. you can see the umbilical cord
C. birth canal
D. head is outside vagina | C |
Question: What type of waste is likely to explode?
Options:
A. explosive waste
B. mesh waste
C. liquid waste
D. solid waste | A |
Question: Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?
Options:
A. radiation detector
B. accelerator
C. barometer
D. electromagnetic | B |
Question: A substance that displays different colors when in the presence of an acid or a base is called what?
Options:
A. litmus test
B. pH scale
C. an acid-base indicator
D. reactor | C |
Question: What is the name for the study of the plants and animals that live in fresh water bodies ?
Options:
A. limnology
B. oceanography
C. hydrology
D. nematology | A |
Question: What does urine leave the body through?
Options:
A. uterus
B. colon
C. vagina
D. urethra | D |
Question: What type of plant is the dominant group of land plants?
Options:
A. thermal plants
B. oxygen plants
C. vascular plants
D. grass plants | C |
Question: What term is used to describe a process in which material travels from regions of high concentration to low concentration until equilibrium is reached?
Options:
A. diffusion
B. active transport
C. Osmosis
D. fission | A |
Question: Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
Options:
A. habitats
B. biodiversity
C. refuge
D. ecosystem | B |
Question: Reactive elements are able to combine more what with other elements?
Options:
A. slowly
B. symmetrically
C. quickly
D. easily | D |
Question: What do scientists attach to aquatic animals to collect information?
Options:
A. ultraviolet tags
B. radio tags
C. satellite tags
D. fluorescent tags | C |
Question: Upon ovulation, the oocyte released by the ovary is swept into where?
Options:
A. vas deferens
B. umbilical cord
C. uterine tube
D. placental barrier | C |
Question: Giardiasis and malaria are diseases caused by what organism?
Options:
A. protozoa
B. larvae
C. worms
D. bacteria | A |
Question: The number of waves that pass a fixed point in a given amount of time is referred to as what?
Options:
A. tendency frequency
B. wave harmonics
C. wave speed
D. wave frequency | D |
Question: The name carbon tetrachloride implies one carbon atom and four of which other atoms?
Options:
A. calcium
B. iodine
C. chlorine
D. nitrogen | C |
Question: Most of a mushroom's surface area is actually where?
Options:
A. air
B. hidden
C. underground
D. underwater | C |
Question: Interneurons carry what back and forth between sensory and motor neurons?
Options:
A. electricity
B. sciatica
C. nerve impulses
D. flux impulses | C |
Question: What are the mineral deposits that fill in underground cracks called?
Options:
A. veins
B. motherlode
C. currents
D. cores | A |
Question: Some of the small moons of saturn are found within what features distinctive to the planet?
Options:
A. interior of saturn
B. rings of saturn
C. crest of saturn
D. craters of saturn | B |
Question: An image that is double the size of the object would have what?
Options:
A. illumination
B. stimulation
C. magnification
D. configuration | C |
Question: What is made up of bands of cells that contract for movement?
Options:
A. collagen
B. cartilage
C. muscle tissue
D. vascular tissue | C |
Question: What is the name of the muscular tube that carries urine out of the body?
Options:
A. rectum
B. urethra
C. bladder
D. uterus | B |
Question: Tissues are organized by what?
Options:
A. cells
B. lipids
C. branches
D. structures | A |
Question: Carbon released by burning fossil fuels contributes to what effect in the atmosphere?
Options:
A. smog effect
B. greenhouse effect
C. cloud effect
D. shielding effect | B |
Question: What are a class of biochemical compounds that living things use to store energy?
Options:
A. calories
B. hydrocarbons
C. proteins
D. lipids | D |
Question: Which element has an atomic number of 16?
Options:
A. sulfur
B. oxygen
C. methane
D. acid | A |
Question: Fossil evidence indicates that the ancestors of humans originated on which continent?
Options:
A. north america
B. africa
C. south america
D. australia | B |
Question: What will spores that eventually germinate develop into?
Options:
A. yeast cells
B. hydra
C. gametes
D. new hyphae | D |
Question: A binary molecular compound is made up of two of what?
Options:
A. cells
B. elements
C. compounds
D. wafers | B |
Question: Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
Options:
A. gravity
B. energy
C. momentum
D. wavelength | D |
Question: Do bacteria sexually reproduce?
Options:
A. yes
B. they don't reproduce
C. sometimes
D. no | D |
Question: What is type of sugar is produced through photosynthesis?
Options:
A. insulin
B. carbohydrates
C. glutamate
D. glucose | D |
Question: The light-sensing cells in the retina are called rods and what else?
Options:
A. sensor cells
B. light cells
C. stents
D. cones | D |
Question: Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what?
Options:
A. blood
B. marrow
C. herbivores
D. parasites | A |
Question: What is the type of plant that has a single cotelydon in the seedling?
Options:
A. dicot
B. monocot
C. conifer
D. moss | B |
Question: What element is essential for amino acid and nucleic acid production?
Options:
A. nitrogen
B. carbon
C. oxygen
D. hydrogen | A |
Question: In plants and algae where does photosynthesis takes place in?
Options:
A. nucleus
B. chloroplasts
C. cell wall
D. cytoplasm | B |
Question: What is crucial for the fermentation progress in making bread?
Options:
A. yeast
B. larvae
C. cold
D. fruit | A |
Question: What hormone does the endocrine system secrete to help cells absorb blood sugar?
Options:
A. glucose
B. insulin
C. testosterone
D. Cortisol | B |
Question: What part of the sporophyte produces microspores that form male gametophytes and megaspores that form female gametophytes?
Options:
A. flower
B. chloroplasts
C. pollen
D. leaves | A |
Question: This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
Options:
A. nanoparticles
B. keratinocytes
C. chondrocytes
D. phytocytes | C |
Question: What is the greek word meaning "to help make things easier"?
Options:
A. toy
B. mode
C. machine
D. battery | C |
Question: High levels of radiation can remove electrons from?
Options:
A. humans
B. acids
C. water
D. metals | D |
Question: What is the only planet we know that has plate techtonics?
Options:
A. earth
B. Saturn
C. Jupiter
D. Mars | A |
Question: Variation in muscle cells gives further insight into some benefits of what type of respiration?
Options:
A. anaerobic
B. enzymatic
C. natural
D. aerobic | A |
Question: Violet and red are two types of what kind of light?
Options:
A. ultraviolet
B. infrared
C. radioactive
D. visible | D |
Question: The duodenum is a part of which part of the gi tract?
Options:
A. large intense
B. pharynx
C. small intestine
D. ulna | C |
Question: A complete ionic equation is a chemical equation in which the dissolved ionic compounds are written as what?
Options:
A. joined ions
B. realized ions
C. charged ions
D. separated ions | D |
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