question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: Rh antibodies can prove dangerous if they cross what barrier in pregnancy?
Options:
A. fungal
B. embryo
C. placental
D. stomach | C |
Question: Galaxies can be spiral, elliptical, or which other type?
Options:
A. irregular
B. simple
C. oblong
D. vertical | A |
Question: What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons?
Options:
A. precipitation
B. oxidation
C. carbonation
D. decomposition | B |
Question: Luster, malleability, ductility, and conductivity are all properties of which kind of material?
Options:
A. ores
B. nonmetals
C. metals
D. wood | C |
Question: Anosmia, the loss of what sense, is often the result of the olfactory nerve being severed?
Options:
A. smell
B. balance
C. taste
D. general sensitivity | A |
Question: Which planet is the kuiper belt closest to?
Options:
A. Jupiter
B. neptune
C. Mars
D. Venus | B |
Question: Does warm air sit above or below cooler air in the troposphere?
Options:
A. above
B. below
C. near
D. adjacent | B |
Question: What is the name for the stratospheric gas layer that protects living things from uv radiation?
Options:
A. ozone layer
B. carbon layer
C. atmospheric layer
D. toposphere | A |
Question: All atoms have equal numbers of what two particles?
Options:
A. electrons and neutrons
B. nuclei and neutrons
C. photons and protons
D. electrons and protons | D |
Question: What is the only planet that rotates clockwise as viewed from its north pole?
Options:
A. uranus
B. mars
C. venus
D. earth | C |
Question: Most radioactive emissions that people are exposed to are on the order of a few dozen what?
Options:
A. millirems
B. ticks
C. millivolts
D. micrograms | A |
Question: What decay produces helium nuclei?
Options:
A. duo decay
B. alpha decay
C. Beta Decay
D. radiative decay | B |
Question: Instead of wood, what do some fireplaces use?
Options:
A. acetylene
B. kerosene
C. propane
D. gasoline | C |
Question: What is the sum of all biochemical reactions in cells called?
Options:
A. respiration
B. diffusion
C. metabolism
D. evolution | C |
Question: What process is magnesium important to?
Options:
A. dna replication
B. photosynthetic
C. carbon cycle
D. absorption | B |
Question: What type of shots do people with allergy get?
Options:
A. nasal shots
B. booster shots
C. flu shots
D. allergy shots | D |
Question: Where do polychaete worms live?
Options:
A. digestive tract
B. the ocean floor
C. lakes
D. garden soil | B |
Question: What kind of material that might otherwise go to a landfill can serve as the source of biomass power?
Options:
A. reactive waste
B. mechanical waste
C. organic waste
D. microscopic waste | C |
Question: What was the appendix used for in the past but is no longer needed for?
Options:
A. fight infection
B. produce food
C. sense danger
D. digest food | D |
Question: Dermal, vascular, and ground tissue make up what part of a plant, which bears the leaves, flowers and fruits?
Options:
A. stem
B. leaves
C. root
D. flowers | A |
Question: What term is used to describe the conditions in the sky on any particular day?
Options:
A. temperature
B. weather
C. forecast
D. humidity | B |
Question: What does the human body produce to help digest food?
Options:
A. enzymes
B. carbohydrates
C. vitamins
D. fiber | A |
Question: What is a coil of wire with electric current flowing through it called?
Options:
A. carrier valve
B. tectonic valve
C. hydraulic valve
D. a solenoid | D |
Question: What type of young do scorpions produce?
Options:
A. live
B. twins
C. guppies
D. identical | A |
Question: The chloroplast integrates the two stages of what process?
Options:
A. breathing
B. defacation
C. polarization
D. photosynthesis | D |
Question: What is the name for the amount of water vapor in the air?
Options:
A. ambient
B. humidity
C. heat
D. viscosity | B |
Question: What is the body system that digests food mechanically and chemically and absorbs nutrients?
Options:
A. metabolism system
B. ingestion system
C. internal system
D. digestive system | D |
Question: What is measured with a personal dosimeter?
Options:
A. internal temperature
B. blood insulin
C. alcohol concentration
D. exposure to radioactivity | D |
Question: Which plants sometimes colonize areas by disrupting interactions between native organisms?
Options:
A. denser exotic plants
B. carnivorous exotic plants
C. bacteria exotic plants
D. invasive exotic plants | D |
Question: What are electromagnetic waves with the longest wavelengths called?
Options:
A. infrared waves
B. channel waves
C. sound waves
D. radio waves | D |
Question: Resonance has been used in what kind of human-made recreational objects since prehistoric times?
Options:
A. toys
B. musical instruments
C. paintbrushes
D. arrows | B |
Question: What is the strength of an earthquake called?
Options:
A. force
B. waves
C. magnitude
D. power | C |
Question: What organs need constant pressure to filter the blood?
Options:
A. dialysis
B. arteries
C. kidneys
D. lungs | C |
Question: After an infection has been brought under control and most cytotoxic t cells die off, a few remain as what?
Options:
A. natural killer cells
B. b cells
C. control cells
D. memory cells | D |
Question: How do lancelets reproduce?
Options:
A. sexually
B. parthenogenesis
C. asexually
D. aerobically | A |
Question: What is the storage form of glucose in humans and other vertebrates?
Options:
A. fructose
B. placenta
C. neurons
D. glycogen | D |
Question: What two factors influence the pressure of fluids?
Options:
A. depth and density
B. depth and gravity
C. time and temperature
D. temperature and density | A |
Question: Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?
Options:
A. temperature
B. color
C. composition
D. density | B |
Question: Where are bile acids, needed to emulsify lipids, stored in the body?
Options:
A. womb
B. cerebellum
C. liver
D. gallbladder | D |
Question: What type of molecule is first broken down in cellular respiration?
Options:
A. fructose molecule
B. oxygen molecule
C. hydrogen molecule
D. glucose molecule | D |
Question: The rate at which the body uses food energy to sustain life and to do different activities is called the what?
Options:
A. metabolic rate
B. calorie rate
C. hormonal rate
D. life cycle | A |
Question: How many valence electrons does carbon have?
Options:
A. one
B. four
C. five
D. two | B |
Question: What word describes a molecule that repels polar water?
Options:
A. monophobic
B. hydrophobic
C. hydrophonic
D. soluble | B |
Question: Which pollution can cause lung cancer and can also make asthma and other diseases worse?
Options:
A. water pollution
B. climate pollution
C. air pollution
D. air pollination | C |
Question: Counterweights and diagonal steel beams are used in buildings to hold down what?
Options:
A. traction
B. inertia
C. sway
D. gravity | C |
Question: The major component of what cellular structures is the phospholipid bilayer?
Options:
A. ribosomes
B. nuclei
C. cell membranes
D. cytoplasm | C |
Question: The cytoskeleton crisscrosses the cytoplasm, this gives what to the cell?
Options:
A. internal framework
B. external framework
C. internal passageway
D. external passageway | A |
Question: Initiation, elongation, and termination are the three steps of what?
Options:
A. differentiation
B. mutation
C. respiration
D. transcription | D |
Question: What do we call the most widely accepted cosmological explanation of how the universe formed?
Options:
A. big bang theory
B. big light theory
C. big crunch theory
D. singularity theory | A |
Question: Angiosperms possess reproductive structures that attract animals that perform what role?
Options:
A. isolation
B. vegetation
C. pollination
D. evolution | C |
Question: What kind of tissue consists of trabeculae and forms the inner layer of all bones?
Options:
A. flotsam bone tissue
B. denser bone tissue
C. spongy bone tissue
D. corregated bone tissue | C |
Question: What is the most important factor in determining the type of soil that forms in a particular area?
Options:
A. landscape
B. climate
C. altitude
D. migration | B |
Question: Energy constantly changes back and forth between kinetic and what type of energy?
Options:
A. potential
B. mechanical
C. physical
D. practical | A |
Question: The tendency of an object to resist a change in its motion is called what?
Options:
A. stabilization
B. isolation
C. inertia
D. kenetic force | C |
Question: When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law?
Options:
A. urban renewal
B. irrigation
C. reclamation
D. removal | C |
Question: There are how many visual clues to indicate a chemical reaction?
Options:
A. seven
B. four
C. five
D. three | B |
Question: Genetic traits are characteristics encoded in what?
Options:
A. nuclei
B. rna
C. bacteria
D. dna | D |
Question: In 1802, charles and gay-lussac both proposed that for a fixed amount of gas at a constant pressure, what is directly proportional to its absolute temperature?
Options:
A. air
B. density
C. liquid
D. volume | D |
Question: What material is transported in a process called longshore drift?
Options:
A. grass
B. boats
C. foods
D. sediment | D |
Question: What has has revolutionized biological and biomedical research and applications?
Options:
A. Compound chain reaction
B. polymerase chain reaction
C. synthesis chain reaction
D. organism chain reaction | B |
Question: Electrons are organized into shells and subshells about the nucleus of this?
Options:
A. compound
B. atom
C. molecule
D. element | B |
Question: What is the double-membrane structure that constitutes the outermost portion of the nucleus?
Options:
A. nuclear fold
B. nuclear envelope
C. energy fold
D. energy envelope | B |
Question: Each daughter cell represents one outcome of all possible combinations of maternal and paternal what?
Options:
A. genes
B. chromosomes
C. alleles
D. traits | B |
Question: What is the science of classifying the many organisms on earth called?
Options:
A. taxonomy
B. general classification
C. terminology
D. methodology | A |
Question: Platelets play a role in what cascade of reactions that converts plasma fibrinogen to fibrin?
Options:
A. bleeding
B. hemophilia
C. blood clotting
D. sickle cell anemia | C |
Question: What force includes forces of attraction and repulsion?
Options:
A. gravitational force
B. molecular force
C. magnetic force
D. centripetal force | C |
Question: How many atoms of oxygen does silicon dioxide contain?
Options:
A. two
B. three
C. one
D. six | A |
Question: A transformer has two coils, electrically insulated from each other. one coil is called the primary coil and the other is called the what?
Options:
A. young coil
B. quadratic coil
C. tertiary coil
D. secondary coil | D |
Question: What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other?
Options:
A. emissions
B. gas
C. steam
D. liquids | B |
Question: Where are unsaturated fatty acids commonly found?
Options:
A. oil
B. animal products
C. fish
D. butter | A |
Question: Why is gingko biloba planted in public spaces?
Options:
A. resistant to pollution
B. self-pollinating
C. self-containing
D. for xeriscaping | A |
Question: What term means a representation of an object, system, or process?
Options:
A. presentation
B. icon
C. pattern
D. model | D |
Question: What makes metals shiny?
Options:
A. light energy
B. light expansion
C. light reflection
D. light characterization | C |
Question: What are materials that have high resistance to electric current called?
Options:
A. electric insulators
B. power insulators
C. cooling insulators
D. motion reducers | A |
Question: Which system in your body stores urine and is controlled by the nervous system?
Options:
A. cardiovascular system
B. muscular system
C. digestive system
D. urinary system | D |
Question: Which type of isomers generally have lower boiling and melting points than straight-chain isomers?
Options:
A. branched-chain isomers
B. branched - solar isomers
C. branched-looping isomers
D. straight-chain isomers | A |
Question: Which temperature scale is commonly used in science?
Options:
A. celsius
B. ph scale
C. centigrade
D. kelvin scale | D |
Question: What is required for both the synthesis and breakdown of molecules?
Options:
A. mixing
B. energy
C. sunlight
D. heating | B |
Question: Parasites usually harm their hosts (or they wouldn't be parasites), but what do they usually stop short of doing?
Options:
A. benefiting their hosts
B. mutating their hosts
C. reproducing with hosts
D. killing their host | D |
Question: What basic structures are the site of all the life functions of an organism?
Options:
A. genes
B. cells
C. lipids
D. proteins | B |
Question: From where have the earliest ocean plants thought to have evolved?
Options:
A. simple coral ancestor
B. simple alga ancestor
C. green alga ancestor
D. green pepinia ancestor | C |
Question: The liver has three main components: hepatocytes, bile canaliculi, and this?
Options:
A. blood sinusoids
B. coronary sinusoids
C. tissue sinusoids
D. hepatic sinusoids | D |
Question: What bone is is one of a pair that together form the upper jaw, much of the hard palate, the medial floor of the orbit, and the lateral base of the nose?
Options:
A. mandibular bone
B. mastoid process
C. maxillary bone
D. nasal bone | C |
Question: When a rock is altered by heat from a nearby magma, what occurs?
Options:
A. form metamorphism
B. evaporation
C. contact metamorphism
D. sublimation | C |
Question: Which is one of the most complicated parts of gene regulation in eukaryotic cells?
Options:
A. start of transcription
B. middle of transcription
C. aftermath of transcription
D. end of transcription | A |
Question: How is thermal energy transferred in every-day, real life situations, such as holding a warm cup?
Options:
A. conduction
B. oxidation
C. decomposition
D. condensation | A |
Question: What consists of all the biotic and abiotic factors in an area and their interactions?
Options:
A. habitat
B. macroevolution
C. community
D. ecosystem | D |
Question: What is the theory scientists use to explain the matter in the universe and how it's held together?
Options:
A. original model
B. organic model
C. standard model
D. specific model | C |
Question: In what group of animals several forms of asexual reproduction are found?
Options:
A. invertebrates
B. arthropods
C. crustaceans
D. insects | A |
Question: After the amino acid molecule has been bound to its what, protein synthesis can take place?
Options:
A. base
B. dna molecule
C. trna carrier
D. RNA receptor | C |
Question: The conversion of food that is consumed to nutrients involves what two major processes:
Options:
A. absorption and excretion
B. untangling and absorption
C. secrete and absorption
D. digestion and absorption | D |
Question: What is the unsorted pile of material dropped by glaciers called?
Options:
A. icy deposit
B. glacial till
C. landfill
D. glacial runoff | B |
Question: Each proton has how many units of positive charge?
Options:
A. zero
B. two
C. three
D. one | D |
Question: Because charges must have an unbroken path to follow, electric current cannot flow through a material unless it forms what?
Options:
A. closed loop
B. closed area
C. total loop
D. complete loop | A |
Question: In living systems, diffusion of substances into and out of cells is mediated by the what membrane?
Options:
A. gas
B. ferment
C. plasma
D. fluid | C |
Question: Ancient greeks mistook what simple sedentary animals for plants?
Options:
A. fungi
B. sponges
C. corals
D. parasites | B |
Question: What trimester is associated with rapid fetal growth?
Options:
A. third trimester
B. fourth trimester
C. second trimester
D. first trimester | A |
Question: What are all scientific explanations and interpretations based on?
Options:
A. theories
B. controls
C. facts
D. changes | C |
Question: What is the process in which an atom becomes an ion known as?
Options:
A. ionization
B. evaporation
C. electrification
D. oxidation | A |
Question: What are two examples of lipids?
Options:
A. vitamins and fatty acid
B. adipose tissue and olive oil
C. fats and oils
D. defects and oils | C |
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