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The movement of bone away from the midline of the body is called what?
A. continuation
B. spring
C. flexion
D. extension
Answer: | D |
What occurs when so much water enters a stream or river that it overflows its banks or when deep snow melts very quickly in spring?
A. avalanche
B. flooding
C. drought
D. storm
Answer: | B |
What is the cause of the “heartburn” that occurs when acidic digestive juices escape into the esophagus?
A. acid reflux
B. acidic buildup
C. toxic reflux
D. acid pressure
Answer: | A |
By 180 million years ago, pangaea began to do what?
A. break up
B. combine
C. grow
D. freeze
Answer: | A |
What has a single voltage source and a single resistor
A. pattern circuit
B. complex circuit
C. stuff circuit
D. simple circuit
Answer: | D |
What property is associated with the number of reactant molecules involved in an elementary step?
A. kilocalorie
B. pollenation
C. molecularity
D. Molecules
Answer: | C |
During an earthquake, wet soils become like what?
A. sand
B. rock
C. quicksand
D. water
Answer: | C |
What helps sound travel in waves?
A. gases
B. molecules
C. speaker placements
D. temperatures
Answer: | A |
What kind of relationship between glucagon and insulin is vital to managing fuel storage and consumption by body cells?
A. opportunistic
B. antagonistic
C. sympathetic
D. commensalism
Answer: | B |
The yellowstone hot spot is a famous example of a what?
A. deeper hot spot
B. form hot spot
C. continental hot spot
D. oceanic hot spot
Answer: | C |
Ionic compounds take on the form of extended three-dimensional arrays of cations and what else?
A. electrons
B. crystals
C. anions
D. oxides
Answer: | C |
Electric generators convert what type of energy to electric energy?
A. fluid energy
B. mechanical energy
C. thermodynamic energy
D. electromagnetic energy
Answer: | B |
What can autographs do that heterotrophs cannot do?
A. make their own food
B. live without water
C. make their own air
D. live without sleep
Answer: | A |
The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special name, what is it?
A. cyanide
B. aldehyde
C. nitrate
D. aniline
Answer: | D |
What is formed when each sodium atom donates its single valence electron to a chlorine atom?
A. sodium chloride
B. carbon chloride
C. trioxide chloride
D. nitrogen chloride
Answer: | A |
The fujita scale measures the intensity of what weather event, based on wind speed and damage?
A. sandstorm
B. blizzard
C. tornado
D. wind gust
Answer: | C |
What allows the electrons to move in an electrochemical system.
A. mass
B. magnetism
C. conductor
D. conduction
Answer: | C |
The simplest type of battery contains what?
A. water
B. multiple cells
C. alkaline
D. single cell
Answer: | D |
A newborn baby has a soft spot on the top of its head. over the next few months, the soft spot gradually does what?
A. hardens
B. weakens
C. grows
D. shrinks
Answer: | A |
Microwaves are converted into what kind of energy in a microwave oven?
A. light energy
B. mechanical energy
C. solar energy
D. thermal energy
Answer: | D |
What is the process of moving air into and out of the lungs called?
A. naturalization
B. insulation
C. hydration
D. ventilation
Answer: | D |
What plays the same role in rotational motion that force plays in linear motion.
A. frame
B. fulcrum
C. efficiency
D. torque
Answer: | D |
Ions are charged what?
A. protons
B. isotopes
C. atoms
D. molecules
Answer: | C |
What occurs when a parent cell splits into two identical daughter cells of the same size?
A. division
B. fission
C. diffusion
D. fusion
Answer: | B |
What kind of scientist is concerned with facets of geomorphology, topography, vegetation, and climate?
A. geophysicist
B. geologist
C. atstronomer
D. soil scientist
Answer: | D |
What was the first antiseptic called?
A. phenol
B. chlorine
C. acid
D. gasoline
Answer: | A |
Which model helps explain molecules with double or triple bonds?
A. particle model
B. reactivity model
C. salinity model
D. hybridization model
Answer: | D |
Name the plant considered to be the ancestor of plants?
A. green algae
B. ferns
C. grass
D. brown algae
Answer: | A |
How can bacterial stis usually be cured?
A. with antibiotics
B. antivirals
C. tylenol
D. antiinflammatories
Answer: | A |
Where do organisms acquire toxic substances from along with nutrients and water?
A. isolation
B. environment
C. reproduction
D. movement
Answer: | B |
What was the first widely used antibiotic?
A. penicillin
B. alcohol
C. aspirin
D. benadryl
Answer: | A |
Decay of what provides some of earth's internal heat?
A. radioactive elements
B. ionic elements
C. decaying elements
D. radioactive compounds
Answer: | A |
Plants are complex organisms with tissues organized into what?
A. families
B. systems
C. organs
D. carbons
Answer: | C |
What are mammals that lay eggs called?
A. kangaroos
B. herbivores
C. monotremes
D. amphibians
Answer: | C |
What do monotremes have instead of a uterus and vagina?
A. endometrium
B. cloaca
C. urethra
D. pouch
Answer: | B |
What part of the body controls the responses of hunger and satiety?
A. heart
B. brain
C. blood
D. small intestine
Answer: | B |
What kind of reactions absorb energy from their surroundings as they occur?
A. exothermic
B. autotrophic
C. endothermic
D. hydrostatic
Answer: | C |
Hybrid orbitals are formed only in which type of bonded atoms?
A. partially
B. thermally
C. covalently
D. ionically
Answer: | C |
Most autotrophs make their "food" through which process, using the energy of the sun?
A. photosynthesis
B. atherosclerosis
C. oculitis
D. glycolysis
Answer: | A |
Because heating results in a greater fraction of molecules having the necessary kinetic energy to escape the surface of the liquid, what occurs more quickly when liquid is heated?
A. expansion
B. oxidation
C. evaporation
D. absorption
Answer: | C |
What is the term for a theoretical framework for describing evolutionary change in populations through the change in allele frequencies?
A. population genetics
B. percent genetics
C. total genetics
D. density genetics
Answer: | A |
In which specific organs are hormonal cells located?
A. mammary glands
B. endocrine glands
C. spinal cord
D. lymph nodes
Answer: | B |
Found in plants and algae, chloroplasts are the site of what process?
A. spermatogenesis
B. photosynthesis
C. transferase
D. glycolysis
Answer: | B |
Water behind a dam has potential energy. moving water, such as in a waterfall or a rapidly flowing river, has this?
A. thermal energy
B. kinetic energy
C. compression energy
D. residual energy
Answer: | B |
What part of the cell helps it keep its shape?
A. cytoskeleton
B. nucleus
C. enzymes
D. cytoplasm
Answer: | A |
What is the term for crops that are genetically modified with new genes that code for traits useful to humans?
A. embryonic
B. carcinogenic
C. mutant
D. transgenic
Answer: | D |
What is the rate at which a specific allele appears within a population called?
A. trait frequency
B. allele commonness
C. allele frequecy
D. allele rarity
Answer: | C |
Memory t cells are long-lived and can even persist for how long?
A. eons
B. minutes
C. days
D. lifetime
Answer: | D |
What fluid becomes less viscous, allowing for better joint function after stretching?
A. cranial
B. synovial
C. vertebral
D. proximal
Answer: | B |
Chains of small molecules called nucleotides make up what?
A. nucleic acids
B. peptides
C. proteins
D. chromosomes
Answer: | A |
What is the preferred method for separating late transition metals from their ores?
A. hydrometallurgy
B. heating
C. hydraulics
D. purging
Answer: | A |
When na 2 hpo 24 − (the weak acid) comes into contact with a strong base, such as sodium hydroxide (naoh), the weak acid reverts back to the weak base and produces what?
A. air
B. rock
C. water
D. plasma
Answer: | C |
What system is designed to facilitate the transformation of food matter into the nutrient components that sustain organisms?
A. tissue
B. digestive
C. respiratory
D. skeletal
Answer: | B |
What are the sporophytes in ferns?
A. leaves
B. spores
C. cycles
D. leafy plants
Answer: | D |
The measure of how much a given volume of matter decreases when placed under pressure is called?
A. compressibility
B. malleability
C. solubility
D. elasticity
Answer: | A |
What are two major categories of mutations?
A. german and somatic
B. homologous and somatic
C. germline and somatic
D. plasticity and somatic
Answer: | C |
Chemical equations in which heat is shown as either a reactant or a product are called what?
A. feedstock equations
B. thermochemical equations
C. hydroelectric equations
D. thorium equations
Answer: | B |
Clams, oysters, scallops, and mussels are examples of what type of species?
A. tortoises
B. mammals
C. mollusks
D. invertebrates
Answer: | C |
What is it called when a charge moves against a field?
A. momentum
B. power
C. work
D. force
Answer: | C |
The as yet undiscovered grand unified theory is a search to unify laws of what branch of science?
A. physics
B. chemistry
C. genetics
D. masses
Answer: | A |
What basic cell structure is made up of a phospholipid bilayer and two layers of phospholipid molecules?
A. mitochondria
B. nucleus
C. cell cartilage
D. cell membrane
Answer: | D |
Earthworms and ants possess what type of bodies, which means division into multiple parts?
A. segmented
B. truncated
C. elliptical
D. elongated
Answer: | A |
Gfci stands for ground-fault circuit what?
A. isolates
B. interrupter
C. infers
D. inspiration
Answer: | B |
What genetic unit is formed when the dna double helix wraps around proteins and tightly coils a number of times?
A. atom
B. chromosome
C. neutron
D. gene
Answer: | B |
What are fresh water biomes defined by?
A. low salt concentration
B. moving water
C. animal species
D. high salt content
Answer: | A |
What is the amount of time a molecule stays in a reservoir known as?
A. suitable time
B. residence time
C. known time
D. reservoir time
Answer: | B |
What is the study of chemical processes that occur in living things?
A. phrenology
B. cardiology
C. biochemistry
D. physiology
Answer: | C |
What prohibits knocking out genes?
A. moral considerdations
B. ethical considerdations
C. genetic considerdations
D. professional considerations
Answer: | B |
The populations that live in the same area form this?
A. a colony
B. a biome
C. a habitat
D. a community
Answer: | D |
The rate at which an unstable isotope decays is measured in a unit known as what?
A. half-time
B. full-life
C. staying-life
D. half-life
Answer: | D |
If two chlorine atoms share their unpaired electrons by making a covalent bond and forming cl2, they can each complete their what?
A. valence shell
B. radiative shell
C. hypothesized shell
D. electron shell
Answer: | A |
How many pairs of upper jaws do insects have?
A. two pairs
B. four pairs
C. three pairs
D. six pairs
Answer: | A |
Where does the shoot system get the water and minerals that it depends on?
A. the soil
B. the air
C. the seeds
D. surrounding plants
Answer: | A |
Potential energy is present in objects that are what?
A. unstable
B. crystals
C. elastic
D. rigid
Answer: | C |
What are flightless birds that are strong swimmers and spend much of their time in the water?
A. penguins
B. Emus
C. Cassowaries
D. Ostriches
Answer: | A |
What describes how close an estimate is to a known standard?
A. diversity
B. frequency
C. accuracy
D. hypothesis
Answer: | C |
What is the measure of the energy released when an extra electron is added to an atom?
A. electron affinity
B. mass affinity
C. neutron affinity
D. volume affinity
Answer: | A |
In what type of population do allele and genotype frequencies not change over time?
A. inequilibrium population
B. equilibrium population
C. saturation population
D. shape population
Answer: | B |
What bodily substance is formed from cells, and in turn helps make up organs?
A. ligaments
B. tissues
C. tendons
D. muscles
Answer: | B |
What is the electrode at which reduction occurs called?
A. anode
B. cathode
C. reducthode
D. cathine
Answer: | B |
Smog is one example of what type of pollution?
A. sound
B. light
C. air
D. energy
Answer: | C |
What do you call a circuit that consists of one loop, which if interrupted at any point, causes cessation of the whole circuit's electric current?
A. parallel circuit
B. series circuit
C. constant circuit
D. dramatic circuit
Answer: | B |
What type of input is not required during passive transport?
A. heating
B. pressure
C. energy
D. cooling
Answer: | C |
Which organ of our body is harmed if you get meningitis?
A. lung
B. heart
C. brain
D. spleen
Answer: | C |
What is the unique layer of nerve cells covering the cerebrum in mammals' brains called?
A. cerebral cortex
B. the midbrain
C. the neocortex
D. the neural
Answer: | C |
The direction of the rotation of hurricanes is influenced by which force?
A. headwind force
B. coriolis force
C. jetstream force
D. centrifugal force
Answer: | B |
The name of which ion always comes first?
A. negative ions
B. positive ion
C. constant ion
D. similar ion
Answer: | B |
What is the most familiar fibrous protein found in your body?
A. keratin
B. cellulose
C. Actin
D. Collagen
Answer: | A |
Ice floats because it is less what than liquid water?
A. heavy
B. warm
C. gaseous
D. dense
Answer: | D |
Where are the pharyngeal slits located?
A. nasal cavity
B. pharynx
C. larynx
D. esophagus
Answer: | B |
What filters pathogens and worn out red blood cells from the blood?
A. the spleen
B. the stomach
C. the pancreas
D. the bladder
Answer: | A |
Muscle atrophy due to age is called what?
A. Increased Atrophy
B. pepinia
C. nymphomania
D. sarcopenia
Answer: | D |
Lead shielding is used to block what type of rays?
A. ultraviolet
B. toxic
C. alpha
D. gamma
Answer: | D |
What sulfur compound occurs in volcanic gases and in the atmosphere near industrial plants?
A. sulfur hydroxide
B. carbon sulfide
C. nitrogen sulfide
D. sulfur dioxide
Answer: | D |
What bodily structures consist of the endothelium and its basal lamina?
A. muscles
B. fibers
C. veins
D. capillaries
Answer: | D |
The extent to which a substance may be dissolved in water or another solvent is known as what?
A. flexibility
B. solubility
C. humidity
D. turbidity
Answer: | B |
What do you call cellular respiration that does not need oxygen to proceed?
A. cellular breathing
B. anaerobic respiration
C. malolactic respiration
D. aerobic respiration
Answer: | B |
What is the name for creatures such as bears and humans that eat both consumers and producers?
A. paleo diet
B. carnivorous
C. insectivores
D. omnivores
Answer: | D |
What are compounds with the same number of carbon and hydrogen atoms called?
A. isomers
B. monomers
C. alcohols
D. hydrocarbons
Answer: | A |
Developing cars that run on hydrogen gas can help solve our dependence on what?
A. food
B. nonrenewable fossil fuels
C. oxygen
D. water
Answer: | B |
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