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null | Question: The release of an egg from an ovary, is part of what cycle?
Options:
A. stomach
B. fetal
C. menstrual
D. life
Answer: | C |
null | Question: Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?
Options:
A. oxygen
B. red blood cells
C. hormones
D. blood pressure
Answer: | C |
null | Question: What takes place at some coastlines or along the equator and brings cool, nutrient-rich water to the surface?
Options:
A. flooding
B. red tide
C. high tide
D. upwelling
Answer: | D |
null | Question: What is first stage of cellular respiration?
Options:
A. electrolysis
B. glycolsis
C. hydrolisis
D. metabolism
Answer: | B |
null | Question: Where is glycogen created and stored in the body?
Options:
A. extracts and muscles
B. Healing Muscles
C. Sore muscle
D. liver and muscles
Answer: | D |
null | Question: Are birds and mammals mainly exothermic or endothermic?
Options:
A. autotrophic
B. hypothermic
C. endothermic
D. exothermic
Answer: | C |
null | Question: An aqueous solution is a homogeneous mixture in which the most abundant component is what?
Options:
A. air
B. blood
C. water
D. oxygen
Answer: | C |
null | Question: What is a biochemical compound that is a chain of amino acids called?
Options:
A. proteins
B. hormones
C. DNA
D. lipids
Answer: | A |
null | Question: Fires, mainly caused by what, are a natural disturbance in temperate grasslands?
Options:
A. lightning
B. campfires
C. cigarettes
D. humans
Answer: | A |
null | Question: Which waterfall series is the largest on the planet?
Options:
A. yosemite falls
B. niagara falls
C. iguassu falls
D. angel falls
Answer: | C |
null | Question: Cigarettes are a major source of what kind of chemical substances linked with cancer?
Options:
A. alkaloids
B. chemicals
C. carcinogens
D. pesticides
Answer: | C |
null | Question: Earthquakes have both longitudinal and transverse components, and these travel at what?
Options:
A. the speed of light
B. different speeds
C. the speed of sound
D. identical speeds
Answer: | B |
null | Question: What plastid makes and stores other pigments?
Options:
A. sporozoans
B. pores
C. chromoplasts
D. pores
Answer: | C |
null | Question: What can ultimately result when species are introduced to a new place and prey on other species?
Options:
A. depletion
B. extinction
C. over population
D. elimination
Answer: | B |
null | Question: What are atoms of the same element but with different numbers of neutrons called?
Options:
A. electrons
B. masses
C. variations
D. isotopes
Answer: | D |
null | Question: In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved?
Options:
A. law
B. hypothesis
C. concept
D. theory
Answer: | D |
null | Question: Chemical changes occur because of what?
Options:
A. toxic reactions
B. liquid reactions
C. chemical reactions
D. evaporation
Answer: | C |
null | Question: Pathogenic prokaryotes usually cause illness by producing what?
Options:
A. poisons
B. organisms
C. ions
D. insects
Answer: | A |
null | Question: The job of the nucleolus is to build what?
Options:
A. chromosomes
B. ribosomes
C. electrons
D. cells
Answer: | B |
null | Question: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?
Options:
A. eons
B. atoms
C. acids
D. ions
Answer: | D |
null | Question: Like the platypus, the echnida is a what?
Options:
A. dugongs
B. prosauropod
C. monotreme
D. Gives Live birth
Answer: | C |
null | Question: What crystals consist of molecules at the lattice points of the crystal, held together by relatively weak intermolecular forces?
Options:
A. molecular crystals
B. quartz crystals
C. salt crystals
D. healing crystals
Answer: | A |
null | Question: The larger surface area of leaves allows them to capture more what?
Options:
A. pollen
B. sunlight
C. molecules
D. chlorophyll
Answer: | B |
null | Question: What is the most common cause of cancer?
Options:
A. cell mutations
B. poor diet
C. technology mutations
D. smoking
Answer: | A |
null | Question: Air temperature changes as what increases?
Options:
A. altitude
B. pressure
C. salinity
D. density
Answer: | A |
null | Question: Snakes use what anatomical structure to smell scents in the air?
Options:
A. branched tongue
B. forked tongue
C. forked eyes
D. forked tails
Answer: | B |
null | Question: A sticky, moist secretion that covers mucous membranes is called what?
Options:
A. saliva
B. mucus
C. sweat
D. pus
Answer: | B |
null | Question: Meiosis in the sporophyte produces haploid cells called what?
Options:
A. spores
B. seeds
C. ions
D. fibers
Answer: | A |
null | Question: What precious resource allows us to grow food as well as materials we turn into clothing and medicine?
Options:
A. mercury
B. petroleum
C. gasoline
D. soil
Answer: | D |
null | Question: What is the equation of power released?
Options:
A. uptake x current
B. amplitude x current
C. voltage x current
D. detonation x current
Answer: | C |
null | Question: What is the name for the term that describes deep ocean water rising the surface?
Options:
A. percolating
B. leaking
C. up-rising
D. upwelling
Answer: | D |
null | Question: Which primate group generally lives alone?
Options:
A. chimpanzee
B. orangutan
C. human
D. gorilla
Answer: | B |
null | Question: The color of an object is determined by the what of it's reflected light?
Options:
A. luminosity
B. variation
C. absorption
D. wavelength
Answer: | D |
null | Question: What event occurs between the two solstices?
Options:
A. summer
B. Leap Year
C. Christmas
D. equinox
Answer: | D |
null | Question: What does a theory need to be supported by?
Options:
A. many observations
B. peer reviewed journals
C. scientists
D. facts
Answer: | A |
null | Question: Which chromosome is associated with cri du chat syndrome?
Options:
A. genome 5
B. chromosome 5
C. collagen 5
D. spore 5
Answer: | B |
null | Question: Which disease occurs when there is not enough hemoglobin in the blood?
Options:
A. Respiratory
B. Diabetes
C. Pulmonary
D. anemia
Answer: | D |
null | Question: When does an oocyte complete meiosis?
Options:
A. anaphase
B. metaphase
C. after sperm penetration
D. prophase
Answer: | C |
null | Question: Noble gases are monatomic because they only contain one of what?
Options:
A. atoms
B. ions
C. charges
D. molecules
Answer: | A |
null | Question: In mammals, four specialized types of what serve to cut, tear, and grind food?
Options:
A. teeth
B. spines
C. scales
D. plates
Answer: | A |
null | Question: All metabolic functions carried out by a prokaryote take place in the plasma membrane or where else?
Options:
A. mitochondrial
B. extracellular
C. Shell
D. cytosol
Answer: | D |
null | Question: A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as?
Options:
A. analogous chromosomes
B. symbiotic chromosomes
C. homologous chromosomes
D. endroctyne chromosomes
Answer: | C |
null | Question: The umbilical cord connects the fetus to what structure?
Options:
A. Ovaries
B. placenta
C. uterus
D. cell
Answer: | B |
null | Question: What produces sound waves that travel outward in all directions in water?
Options:
A. echo sounders
B. echo chamber
C. amplifiers
D. ultrasound machines
Answer: | A |
null | Question: The length that an object has travelled in one or multiple directions can also be called what?
Options:
A. distance
B. velocity
C. range
D. axis
Answer: | A |
null | Question: Nonflowering vascular plants have how many basic types of leaves?
Options:
A. one
B. four
C. three
D. five
Answer: | C |
null | Question: What is created when you combine simple machines?
Options:
A. motors
B. factories
C. digital devices
D. compound machines
Answer: | D |
null | Question: Most members of what mammalian order possess opposable thumbs?
Options:
A. amphibians
B. primates
C. marsupials
D. rodents
Answer: | B |
null | Question: What two cycles make up the female reproductive cycle?
Options:
A. cervical and menstrual
B. ovarian and menstrual
C. ovarian and cesarean
D. digestive and menstrual
Answer: | B |
null | Question: Fossils themselves and the order in which they appear in are generally collectively called what?
Options:
A. coal record
B. fossil magnitude
C. fuel cycle
D. fossil record
Answer: | D |
null | Question: What is a process in which some substances change into different substances?
Options:
A. a thermodynamic reaction
B. a chemical reaction
C. a bio reaction
D. a toxic reaction
Answer: | B |
null | Question: The formula unit of sodium chloride dissociates into one sodium ion and one?
Options:
A. chloride ion
B. oxygen ion
C. electron
D. magnesium ion
Answer: | A |
null | Question: Lyme disease is caused by what kind of organim?
Options:
A. bacteria
B. algae
C. Virus
D. bacterium
Answer: | A |
null | Question: What is formed when atoms of different elements bond together?
Options:
A. univalent compound
B. phenotype compound
C. duality compound
D. covalent compound
Answer: | D |
null | Question: An estimated 99 percent of the species that have ever lived on earth no longer exist, showing that what event is common?
Options:
A. pollution
B. extinction
C. over fishing
D. accumulation
Answer: | B |
null | Question: What is the smallest particle of an element that still has the properties of that element?
Options:
A. neutron
B. nucleus
C. atom
D. electron
Answer: | C |
null | Question: Green cyanobacteria on a lake produce food through what process?
Options:
A. reverse transferase
B. spermatogenesis
C. glycolysis
D. photosynthesis
Answer: | D |
null | Question: Gene expression and what else are usually considered the same molecular process?
Options:
A. photosynthesis
B. organism synthesis
C. subtractive synthesis
D. protein synthesis
Answer: | D |
null | Question: What is the phenomenon in which light and sound waves become circular at the point source of a barrier?
Options:
A. refraction
B. reflection
C. sonic wave
D. diffraction
Answer: | D |
null | Question: Sulfate is used as a cleaning agent because it is acidic and soluble in what substance?
Options:
A. air
B. salt
C. water
D. oxygen
Answer: | C |
null | Question: What harmful substance must not be drained into s storm sewer?
Options:
A. debris
B. motor oil
C. alcohol
D. water runoff
Answer: | B |
null | Question: What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone?
Options:
A. digestion
B. circulatory system
C. immune system
D. reproductive
Answer: | D |
null | Question: Translation is the second part of the central dogma of what?
Options:
A. molecular gastronomy
B. string theory
C. molecular biology
D. relativity
Answer: | C |
null | Question: What is the predominant stage in the life cycle of most scyphozoans?
Options:
A. medusa
B. spore
C. gamete
D. hydra
Answer: | A |
null | Question: What are the catalysts that occur naturally in living organisms and are primarily protein molecules?
Options:
A. carbohydrates
B. hormones
C. acids
D. enzymes
Answer: | D |
null | Question: What is the only substance on earth that is stable in all three states?
Options:
A. mercury
B. carbon
C. air
D. water
Answer: | D |
null | Question: The weather conditions in an area over time is also called a what?
Options:
A. habitat
B. climate
C. biome
D. landscape
Answer: | B |
null | Question: Glucagon and insulin are produced in what organ?
Options:
A. thymus
B. thyroid
C. hypothalamus
D. pancreas
Answer: | D |
null | Question: There are 20 different common amino acids needed to make what organic compound?
Options:
A. proteins
B. nutron
C. cells
D. lipids
Answer: | A |
null | Question: What substance is removed from waste as it passes through the large intestine?
Options:
A. air
B. blood
C. water
D. nutrients
Answer: | C |
null | Question: What is the term for the combined forces acting on an object?
Options:
A. net force
B. blunt force
C. total impact
D. critical force
Answer: | A |
null | Question: What are fresh water biomes defined by?
Options:
A. moving water
B. animal species
C. low salt concentration
D. high salt content
Answer: | C |
null | Question: What kind of tissue consists of trabeculae and forms the inner layer of all bones?
Options:
A. flotsam bone tissue
B. corregated bone tissue
C. denser bone tissue
D. spongy bone tissue
Answer: | D |
null | Question: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?
Options:
A. arthritis
B. dialysis
C. digestion
D. tumors
Answer: | B |
null | Question: The sternum and 12 pairs of ribs with their costal cartilages make up what?
Options:
A. the core
B. chest cage
C. heart cage
D. thoracic cage
Answer: | D |
null | Question: What prevents loss of water from the body and keeps out microorganisms?
Options:
A. muscles
B. the skin'
C. hydration
D. sweat
Answer: | B |
null | Question: What is the name of the major sex hormone in females?
Options:
A. estrogen
B. testosterone
C. glucose
D. insulin
Answer: | A |
null | Question: The cerebellum is associated with what major human organ?
Options:
A. bladder
B. liver
C. brain
D. heart
Answer: | C |
null | Question: What are chemical messengers that control sexual development and reproduction?
Options:
A. neurotransmitters
B. lipids
C. proteins
D. sex hormones
Answer: | D |
null | Question: The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
Options:
A. gravity pressure
B. tidal pressure
C. atmospheric pressure
D. nitrogen pressure
Answer: | C |
null | Question: What are the deepest places on earth?
Options:
A. deep sea caves
B. deep sea resonances
C. deep sea diversions
D. deep sea trenches
Answer: | D |
null | Question: In what state of matter are particles rigidly fixed in space and held tightly to neighboring particles?
Options:
A. energies
B. solids
C. liquids
D. Gases
Answer: | B |
null | Question: What type of cells does meiosis produce?
Options:
A. diploid daughter cells
B. haploid daughter cells
C. mutated cells
D. child cells
Answer: | B |
null | Question: Topographic maps have a horizontal scale to indicate what distances?
Options:
A. horizontal
B. perpendicular
C. vertical
D. diagonal
Answer: | A |
null | Question: What is the measurement for the amount of water vapor in the air?
Options:
A. saturation
B. haze
C. ambient
D. humidity
Answer: | D |
null | Question: What is the name for unsaturated hydrocarbons that contain at least one double bond?
Options:
A. alkenes
B. acids
C. lipids
D. enzymes
Answer: | A |
null | Question: What type of symmetry does an octopus have?
Options:
A. essential
B. bilateral
C. quadrilateral
D. internal
Answer: | B |
null | Question: The inside surface of the jejunum is covered with tiny projections called what?
Options:
A. alveoli
B. mucosa
C. villi
D. flagella
Answer: | C |
null | Question: In diffusion, substances tend to move from an area of high concentration to an area of what kind of concentration?
Options:
A. rise
B. drop
C. Increase
D. low
Answer: | D |
null | Question: Which state of matter has an intermediate level of entropy between solid and gas?
Options:
A. water
B. plasma
C. metal
D. liquid
Answer: | D |
null | Question: Speciation is usually due to a single instance of what?
Options:
A. radiation
B. accumulation
C. mutation
D. division
Answer: | C |
null | Question: What cellular structure is used during endocytosis to allow molecules to enter the cell?
Options:
A. membranes
B. tissues
C. vesicles
D. nucleus
Answer: | C |
null | Question: What is a form of cell division in prokaryotic organisms that produces identical offspring?
Options:
A. germination
B. mitosis
C. nuclear fission
D. binary fission
Answer: | D |
null | Question: What celestial object has been visited by manned spacecraft and is easily seen from earth?
Options:
A. moon
B. Jupiter
C. the Sun
D. venus
Answer: | A |
null | Question: What is indicated by the ratio of the output force to the input force in a machine?
Options:
A. magnetic force
B. man hours
C. momentum
D. mechanical advantage
Answer: | D |
null | Question: What are unique in having adaptive immunity in addition to innate immunity?
Options:
A. invertebrates
B. vertebrates
C. organelles
D. cells
Answer: | B |
null | Question: What is the watery fluid that bathes tissues and organs and contains protective white blood cells but does not contain erythrocytes?
Options:
A. lymph
B. secretion
C. stomach
D. basil
Answer: | A |
null | Question: What is the term for the arrangement of veins in a leaf?
Options:
A. dorsal pattern
B. vein pattern
C. cerebellum pattern
D. venation pattern
Answer: | D |
null | Question: What is the name of the effect that causes air masses to move on a diagonal?
Options:
A. the headwind effect
B. polar effect
C. aurora borealis
D. the coriolis effect
Answer: | D |
null | Question: What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem?
Options:
A. theory
B. hypothesis
C. experiment
D. conclusion
Answer: | B |
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