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null | Question: What system gets less effective with age, that generally makes older people more disease susceptible?
Options:
A. infectious system
B. immune system
C. nervous system
D. reproductive system
Answer: | B |
null | Question: What happens to a cell's efficiency as it grows in size?
Options:
A. splits in half
B. multiplies
C. increases
D. decreases
Answer: | D |
null | Question: What substance is created when a copper turns from reddish brown to greenish brown?
Options:
A. copper alloy
B. copper oxide
C. rust
D. iron oxide
Answer: | B |
null | Question: A battery is a multiple connection of what kind of cells?
Options:
A. localweather cells
B. voltaic cells
C. cabri cells
D. organic cells
Answer: | B |
null | Question: What is another term for a hand lens?
Options:
A. magnifying glass
B. seeing glass
C. traversing glass
D. projecting glass
Answer: | A |
null | Question: What is characterized by uncontrolled cell division of abnormal cells?
Options:
A. concussions
B. cancer
C. hepatitis
D. radiation
Answer: | B |
null | Question: Why does ice wedging occur?
Options:
A. water evaporates
B. water melts
C. water expands
D. water freezes
Answer: | C |
null | Question: Chemical equations need to be balanced to satisfy the law of what?
Options:
A. conservation of matter
B. material of matter
C. speed of matter
D. glow of matter
Answer: | A |
null | Question: Phosphorus exists as several allotropes, the most common being red, black, and what?
Options:
A. green phosphorus
B. white phosphorus
C. purple phosphorus
D. yellow phosphorous
Answer: | B |
null | Question: What effect does taking anabolic steroids have on testosterone production?
Options:
A. eliminates it
B. does nothing
C. increases it
D. reduces it
Answer: | D |
null | Question: How does the number of protons compare to the number of electrons in an electrically neutral atom?
Options:
A. they are double
B. they are half
C. they are triple
D. they are equal
Answer: | D |
null | Question: X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies?
Options:
A. X-rays
B. gamma rays
C. ultraviolet rays
D. plasma rays
Answer: | B |
null | Question: What are people called that choose to study science?
Options:
A. doctors
B. engineers
C. lab technicians
D. scientists
Answer: | D |
null | Question: What do osteoblasts secrete that mineralizes to become bone matrix?
Options:
A. calcium
B. spongin
C. collagen
D. carbon
Answer: | C |
null | Question: Amino acids are the building blocks of what macromolecules?
Options:
A. carbohydrates
B. sugars
C. lipids
D. proteins
Answer: | D |
null | Question: What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord?
Options:
A. layer sheath
B. lipids sheath
C. nerve sheath
D. myelin sheath
Answer: | D |
null | Question: What group was long considered part of the plant kingdom because of obvious similarities; both are immobile, have cell walls, and grow in soil?
Options:
A. mosses
B. coral
C. bacteria
D. fungi
Answer: | D |
null | Question: What system consists of all the muscles of the body?
Options:
A. digestive
B. vascular
C. endocrine
D. muscular
Answer: | D |
null | Question: Mutualism is an interaction between individuals of two different species that has what effect on both of them?
Options:
A. beneficial
B. abnormal
C. harmful
D. neutral
Answer: | A |
null | Question: What enzyme is found in the small intestine catalyzes the hydrolysis of lactose?
Options:
A. lactase
B. elastases
C. amylase
D. lipase
Answer: | A |
null | Question: Cardiovascular disease, some types of cancer, type 2 diabetes, and obesity are considered what kind of preventable diseases?
Options:
A. atmosphere diseases
B. lifestyle diseases
C. environmental diseases
D. age diseases
Answer: | B |
null | Question: What is the multi-phase process in which the nucleus of a eukaryotic cell divides?
Options:
A. fission
B. cytokinesis
C. mitosis
D. Osmosis
Answer: | C |
null | Question: Precipitation maps show the amount of what in different areas?
Options:
A. rainfall
B. population
C. heat
D. geographical variety
Answer: | A |
null | Question: What do you call a system that has one or more planets orbiting one or more stars?
Options:
A. solar system
B. galaxy
C. molecular system
D. atom
Answer: | A |
null | Question: What type of organism, including sea stars and sand dollars, is named for their spiny skin?
Options:
A. mollusks
B. diatoms
C. echinoderms
D. chordates
Answer: | C |
null | Question: What are the two main types of sedimentary rocks?
Options:
A. shale and limestone
B. sandstone and shale
C. basalt and dolomite
D. clastic and chemical
Answer: | D |
null | Question: In a molecular compound, electrons are shared between atoms in which type of bond?
Options:
A. Ionic
B. deformation
C. covalent
D. corrosion
Answer: | C |
null | Question: What are the active transport mechanisms by which molecules enter and leave the cell inside vesicles?
Options:
A. endocytosis and exocytosis
B. oxidation and exocytosis
C. dielectric and exocytosis
D. endocytosis and oxidation
Answer: | A |
null | Question: Human population is growing exponentially and humans have increased what normally limiting factor through technology, urbanization, and harnessing the energy of fossil fuels?
Options:
A. carrying capacity
B. habitat loss
C. zero population growth
D. mass extinction
Answer: | A |
null | Question: The enormous number of species is due to the tremendous variety of what?
Options:
A. measurements
B. tissues
C. sounds
D. environments
Answer: | D |
null | Question: What are unsaturated hydrocarbons with at least one double bond between carbon atoms called?
Options:
A. amines
B. enzymes
C. alkenes
D. peptides
Answer: | C |
null | Question: Which organelles, made of protein and ribosomal rna, build cellular proteins in the cytoplasm?
Options:
A. chromosomes
B. ribosomes
C. dna
D. chloroplasts
Answer: | B |
null | Question: The voltage and current are exactly in phase in a what?
Options:
A. capacitor
B. battery
C. resistor
D. harmonic
Answer: | C |
null | Question: Steam actually consists of tiny droplets of liquid what?
Options:
A. lead
B. mercury
C. water
D. methane
Answer: | C |
null | Question: Organic compounds are molecules built around what element?
Options:
A. oxygen
B. helium
C. carbon
D. phosphorus
Answer: | C |
null | Question: What is the group of single-celled organisms lacking a nucleus that have a single piece of circular dna in the nucleoid area of the cell?
Options:
A. algae
B. eukaryotes
C. chromosomes
D. prokaryotes
Answer: | D |
null | Question: Name the three types of muscle tissue.
Options:
A. skeletal, smooth, cardiac
B. skeletal, cardiac, long
C. smooth, long, tight
D. cardiac, smooth, long
Answer: | A |
null | Question: Because conditions are not ideal, most populations grow ____________.
Options:
A. SOCIALLY
B. historically
C. mathematically
D. logistically
Answer: | D |
null | Question: Sedimentary rocks form in what kind of layers?
Options:
A. horizontal
B. magnetic
C. vertical
D. stacked
Answer: | A |
null | Question: Where in the cell does photosynthesis occur?
Options:
A. cell wall
B. genome
C. pathogen
D. chloroplast
Answer: | D |
null | Question: What are the most energetic of all electromagnetic waves, which can be used to treat cancer?
Options:
A. gamma rays
B. X-ray
C. infrared
D. ultraviolet
Answer: | A |
null | Question: Where are sperm produced in the process of spermatogenesis?
Options:
A. intestines
B. penis
C. testes
D. ovaries
Answer: | C |
null | Question: What are the only organisms that can perform photosynthesis?
Options:
A. sponges
B. autotrophs
C. heterotrophs
D. monocots
Answer: | B |
null | Question: What characteristic of birds is related to the food they eat?
Options:
A. beak
B. tail
C. feathers
D. feet
Answer: | A |
null | Question: What is formed when a subducting plate flows under another tectonic plate?
Options:
A. volcanic arc
B. fault line
C. boundary plate
D. magma
Answer: | A |
null | Question: The ability to regulate what, which is possessed by mammals, was an advantage as earth’s climate went through sudden and dramatic changes?
Options:
A. body temperature
B. mutations
C. hair growth
D. reflex behaviors
Answer: | A |
null | Question: When using a microscope we do not see the entire extent of the sample. depending on the eyepiece and objective lens we see a restricted region which we say is this?
Options:
A. field of view
B. focal point
C. tunnel vision
D. peripheral view
Answer: | A |
null | Question: Programmed cell death, which goes by what term, is important for removing damaged or unnecessary cells?
Options:
A. mytosis
B. apoptosis
C. mutations
D. synthesis
Answer: | B |
null | Question: When the number of active receptors falls below that threshold, what happens to the cellular response?
Options:
A. it increases
B. it ceases
C. it responds
D. it stabilizes
Answer: | B |
null | Question: What delivers natural gas from rock that might not otherwise be obtainable?
Options:
A. grinding
B. fracking
C. drilling
D. rippling
Answer: | B |
null | Question: What are the special mating behaviors in birds called?
Options:
A. presentation
B. display
C. attraction
D. courtship
Answer: | D |
null | Question: What are the two types of semiconductors?
Options:
A. n-type and m-type
B. n-type and p-type
C. a-type and b-type
D. o-type and p-type
Answer: | B |
null | Question: Sugars, starches, and cellulose are examples of what biochemical compounds that organisms use for energy?
Options:
A. calories
B. carbohydrates
C. proteins
D. prokaryotes
Answer: | B |
null | Question: Chemical digestion in the small intestine cannot occur without the help of the pancreas and what bile-producing organ?
Options:
A. heart
B. kidney
C. stomach
D. liver
Answer: | D |
null | Question: Made of hot, solid rock, the mantle is beneath what layer of the earth?
Options:
A. core
B. liquid
C. crust
D. volcanic
Answer: | C |
null | Question: What is it called when you get the same result after repeating an experiment?
Options:
A. replication
B. initiation
C. variable
D. control
Answer: | A |
null | Question: What is the name for the pores in leaves that allow a plant to retain water or exchange gases?
Options:
A. chloroplasts
B. stomata
C. rhizomes
D. neurons
Answer: | B |
null | Question: Any unused energy in food, whether it comes from carbohydrates, proteins, or lipids, is stored in the body where?
Options:
A. bones
B. fat
C. kidneys
D. spleen
Answer: | B |
null | Question: What are cations simply named after?
Options:
A. the parent element
B. the scientist
C. the body part
D. the cell structure
Answer: | A |
null | Question: If the tunica externa did not hold a vessel in place, any movement would likely result in disruption of what?
Options:
A. respiration
B. blood flow
C. heart beat
D. pulse
Answer: | B |
null | Question: What is a coil of wire with electric current flowing through it called?
Options:
A. carrier valve
B. hydraulic valve
C. tectonic valve
D. a solenoid
Answer: | D |
null | Question: What is the most common type of muscle in the human body?
Options:
A. digestive
B. skeletal
C. fetal
D. internal
Answer: | B |
null | Question: The oxidation of an alcohol can produce either an aldehyde or what?
Options:
A. ester
B. ketone
C. enzyme
D. amine
Answer: | B |
null | Question: What can all living things sense and respond to in their environment?
Options:
A. warmth
B. stimuli
C. sunlight
D. wind
Answer: | B |
null | Question: The as yet undiscovered grand unified theory is a search to unify laws of what branch of science?
Options:
A. masses
B. chemistry
C. genetics
D. physics
Answer: | D |
null | Question: In which way do sunspots occur?
Options:
A. in pairs
B. in fours
C. by themselves
D. in threes
Answer: | A |
null | Question: What term refers to a wall or partition that divides the heart into chambers?
Options:
A. cartilage
B. valve
C. septum
D. cysts
Answer: | C |
null | Question: What disease, caused by vitamin c deficiency, causes bleeding gums, nosebleeds, and other symptoms?
Options:
A. leukemia
B. rickets
C. scurvy
D. dehydration
Answer: | C |
null | Question: What type of energy is clean and does not release greenhouse gases?
Options:
A. lithosphere energy
B. natural gas
C. geothermal energy
D. coal
Answer: | C |
null | Question: Mutations in regulatory genes that normally control the cell cycle cause what?
Options:
A. cancer
B. anxiety
C. tumors
D. illness
Answer: | A |
null | Question: What basic cell structure is made up of a phospholipid bilayer and two layers of phospholipid molecules?
Options:
A. nucleus
B. cell cartilage
C. cell membrane
D. mitochondria
Answer: | C |
null | Question: Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science?
Options:
A. geology
B. electronics
C. chemistry
D. biology
Answer: | D |
null | Question: Halides of the transition metals become more covalent with increasing oxidation state and are more prone to what?
Options:
A. comproportionation
B. cycloaddition
C. hydrolysis
D. decarbonylation
Answer: | C |
null | Question: What is altered by changes in cardiac output by variable contriction of the arterioles?
Options:
A. blood type
B. blood pressure
C. pulse
D. heart rhythm
Answer: | B |
null | Question: Microfilaments are mostly concentrated just beneath what?
Options:
A. the cell wall
B. the nucleus
C. the cytoplasm
D. the cell membrane
Answer: | D |
null | Question: What traits do the sponge and tarantula share?
Options:
A. number of eyes
B. number of legs
C. lack of backbone
D. lifespan
Answer: | C |
null | Question: What is the foundation species of coral reef ecosystems?
Options:
A. coral
B. anemones
C. crystals
D. molluscs
Answer: | A |
null | Question: What is the term for a connection between a neuron and its target cell?
Options:
A. axon
B. impulse
C. dendrite
D. synapse
Answer: | D |
null | Question: What three characteristics do waves have?
Options:
A. theory , refraction and deflection
B. structure , refraction and deflection
C. reflection, refraction and deflection
D. spin, refraction, and deflection
Answer: | C |
null | Question: While the chromosome is replicating, the cell does what?
Options:
A. diffuses
B. shrinks
C. propagates
D. elongates
Answer: | D |
null | Question: The kinetic energy of a moving object depends on it's mass and it's what?
Options:
A. liquid content
B. volume
C. iron content
D. shape
Answer: | B |
null | Question: In the equation for pressure, how is force expressed?
Options:
A. meters
B. newtons
C. pounds
D. teraflops
Answer: | B |
null | Question: What are the two hormones primarily responsible for maintaining homeostasis of blood glucose levels?
Options:
A. insulin and glucagon
B. anabolic and metabolic
C. dopamine and melanin
D. insulin and estrogen
Answer: | A |
null | Question: Which disease does the bacteria salmonella cause in humans?
Options:
A. food poisoning
B. water poisioning
C. blood poisoning
D. skin poisoning
Answer: | A |
null | Question: What do you get by multiplying volume by the density of water?
Options:
A. mass of water
B. velocity of water
C. temperature of water
D. weight of water
Answer: | A |
null | Question: Heterotrophs is another name for what group?
Options:
A. consumers
B. producers
C. omnivores
D. autotrophs
Answer: | A |
null | Question: What happens to water when it is heated in the broiler?
Options:
A. it expands
B. it contracts
C. it introduces
D. it evolves
Answer: | A |
null | Question: What is denoted by the number above the chemical symbol of each element in a modern periodic table?
Options:
A. metallic number
B. electron count
C. atomic weight
D. atomic number
Answer: | D |
null | Question: Besides tasting food, what organ is necessary for mastication, deglutition (swallowing), and speech?
Options:
A. tongue
B. mouth
C. throat
D. larnyx
Answer: | A |
null | Question: What is the tectonic zone called where two plates come together?
Options:
A. lateral boundary
B. precursors boundary
C. convergent boundary
D. paralleled boundary
Answer: | C |
null | Question: What might a scientist do to confirm the work of another?
Options:
A. replicate their work
B. study their work
C. develop a completely different experiment
D. question their methods
Answer: | A |
null | Question: What does the heat energy affect in the atmosphere?
Options:
A. erosion and condensation
B. gravity and precipitation
C. winds and weather
D. density and humidity
Answer: | C |
null | Question: What is the common abbreviation for noting the rhesus blood type?
Options:
A. AB
B. h2
C. rh
D. RNA
Answer: | C |
null | Question: What is the minimum mass capable of supporting sustained fission called?
Options:
A. baseline mass
B. concentrated mass
C. critical mass
D. particular mass
Answer: | C |
null | Question: When a meteoroid reaches earth, what is the remaining object called?
Options:
A. meteorite
B. comet
C. orbit
D. meteor
Answer: | A |
null | Question: What part of the cell in plants and algae does photosynthesis take place?
Options:
A. cell wall
B. mitochondria
C. organelles
D. fibers
Answer: | C |
null | Question: What are reactions that can occur only in one direction called?
Options:
A. instantaneous
B. critical
C. permanent
D. irreversible
Answer: | D |
null | Question: What is the first stage of cellular respiration?
Options:
A. defacation
B. glycolysis
C. breath
D. photosynthesis
Answer: | B |
null | Question: What do you call reversible changes that do not change matter’s chemical makeup or chemical properties?
Options:
A. physical changes
B. potential changes
C. chemical changes
D. element changes
Answer: | A |
null | Question: What functional units of chromosomes determine specific characteristics by coding for specific proteins?
Options:
A. DNA
B. cells
C. chromosomes
D. genes
Answer: | D |
Subsets and Splits