question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: What is an organic compound made up of small molecules called amino acids called?
Options:
A. a carbohydrate
B. a compound
C. a protein
D. a fat | C |
Question: A solute generally does what to the freezing point of a solvent?
Options:
A. regulates it
B. increases it
C. raises it
D. lowers it | D |
Question: The quarks in a particle are confined, meaning individual quarks cannot be what?
Options:
A. changed
B. directly observed
C. hypothesized
D. separated | B |
Question: The monosaccharide glucose is broken down through a series of enzyme-catalyzed reactions known as what?
Options:
A. Digestion
B. glycolysis
C. Respiration
D. photosynthesis | B |
Question: What is the primary gas produced from burning of wood?
Options:
A. Hydrogen Dioxide
B. toxic dioxide
C. liquid dioxide
D. carbon dioxide | D |
Question: What type of transport requires no energy and occurs when substances move from areas of higher to lower concentration?
Options:
A. immune transport
B. passive transport
C. active transport
D. bacterial transport | B |
Question: What is the force of attraction between a positive metal ion and valence electrons?
Options:
A. liquid bond
B. metallic bond
C. covalent bond
D. galactic bond | B |
Question: How many times does the height of the largest wave increase with each level?
Options:
A. 100 times
B. 20 times
C. 5 times
D. 10 times | D |
Question: What does unequal heating of the atmosphere cause?
Options:
A. weather
B. water
C. humidity
D. flares | A |
Question: Which vitamin is made in the skin when it is exposed to sunlight?
Options:
A. Riboflavin
B. Vitamin C
C. Vitamin B1
D. vitamin d | D |
Question: During protein synthesis, ribosomes assemble what into proteins?
Options:
A. amino acids
B. polymer acids
C. DNA Acids
D. rna acids | A |
Question: If particles have enough kinetic energy to completely overcome the force of attraction between them, matter exists as a what?
Options:
A. liquid
B. vapor
C. gas
D. solid | C |
Question: Where is chlorine gas produced?
Options:
A. carbon cycle
B. at the anode
C. epidermis
D. in the nucleus | B |
Question: What is the study of energy and how it interacts with matter?
Options:
A. physics
B. quantum mechanics
C. cosmology
D. kinetics | A |
Question: What structure of the body falls between cells and organs in complexity?
Options:
A. molecules
B. muscles
C. tissues
D. proteins | C |
Question: The relationships between groups of different species makes up a ___________.
Options:
A. community
B. species
C. family
D. food chain | A |
Question: An offspring that inherits a mutation in a gamete will have the mutation in all of its?
Options:
A. eggs
B. proteins
C. seeds
D. cells | D |
Question: How do organisms grow and repair themselves?
Options:
A. cell death
B. mutation
C. cell division
D. symbosis | C |
Question: What do halogens require electrons to achieve?
Options:
A. coupling
B. octet
C. formation
D. fusion | B |
Question: What is the percentage of earthquakes that take place within a plate, away from plate boundaries?
Options:
A. 4 %
B. 6%
C. 5%
D. 3 % | C |
Question: Despite their name, what scientists study the atmosphere rather than colliding space rocks?
Options:
A. astronomers
B. astronauts
C. meteorologists
D. forecasters | C |
Question: What is an insect's hard outer exoskeleton made out of?
Options:
A. casein
B. melanin
C. chitin
D. lectin | C |
Question: What illnesses are caused by damage to the alveoli of the lungs?
Options:
A. avian and emphysema
B. pneumonia and emphysema
C. smoking and emphysema
D. chronic and emphysema | B |
Question: What do you call a group of organisms of the same species that live in the same area?
Options:
A. population
B. system
C. biosphere
D. ecosystem | A |
Question: All the genes in all the members of a population make up its what?
Options:
A. phenotype
B. diversity
C. longevity
D. gene pool | D |
Question: Although some have suggested that the uvula is what type of organ, it actually serves an important purpose?
Options:
A. parietal
B. essential
C. remnant
D. vestigial | D |
Question: The differences in the biomes is due to differences in the what factors?
Options:
A. temperature
B. biological
C. air quality
D. abiotic | D |
Question: What increases the chances of someone inheriting a mitochondrial disease?
Options:
A. presence of defect ornithopods and undefected mtdna
B. presence of defect transgenic and defect mtdna
C. presence of defect transgenic and undefected mtdna
D. presence of defect mtdna and undefected mtdna | D |
Question: What is often the cause of phenotypic differences between identical twins?
Options:
A. environment
B. natural selection
C. genetics
D. learned behavior | A |
Question: What kind of equal and opposite forces cancel one another out when they act on the same object?
Options:
A. exact
B. solid
C. combined
D. balanced | D |
Question: What are two other terms for dizygotic twins, which make good study subjects because they share many environmental conditions, but only about half of their polymorphisms?
Options:
A. fractional
B. fraternal, non-identical
C. identical twins
D. interdependant twins | B |
Question: Many diseases arise from genetic mutations that prevent the synthesis of critical what?
Options:
A. acids
B. proteins
C. oils
D. lipids | B |
Question: Pseudohypertrophic muscular dystrophy is an inherited disorder that causes gradual deterioration of what?
Options:
A. fluids
B. brain
C. muscles
D. nerves | C |
Question: Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from?
Options:
A. proteins
B. organisms
C. ultraviolet rays
D. tissues | B |
Question: What type of fibrous joint is found between most bones of the skull?
Options:
A. suture
B. trecature
C. aperture
D. lobiture | A |
Question: Innate behaviors occur in all animals. however, they are less common in species with higher levels of what?
Options:
A. interdependence
B. intelligence
C. hormones
D. nonverbal communication | B |
Question: The periodic table is an arrangement of the elements in order of increasing what?
Options:
A. metallic numbers
B. gravity numbers
C. negative numbers
D. atomic numbers | D |
Question: What type of ions play critical roles in light-dependent reactions?
Options:
A. calcium
B. helium
C. hydrogen
D. silicon | C |
Question: What moves nitrogen back and forth between the atmosphere and organisms?
Options:
A. the calcium cycle
B. the nitrogen cycle
C. the Krebs cycle
D. the leakage cycle | B |
Question: What is caused by human actions that releases chemical substances and particles into the air?
Options:
A. CFO pollution
B. heavy pollution
C. Improper Emissions
D. air pollution | D |
Question: The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?
Options:
A. pathogens
B. red blood cells
C. leukocytes
D. glands | C |
Question: What chemical substances are secreted by animals that communicate by odor or taste?
Options:
A. hormones
B. alaki
C. acids
D. pheromones | D |
Question: Hydropower is generated with what natural resource?
Options:
A. light
B. fire
C. air
D. water | D |
Question: What are the three types of rocks?
Options:
A. igneous, sedimentary, mixed
B. igneous, orbital, metamorphic
C. igneous, sedimentary, metamorphic
D. opaque , sedimentary , metamorphic | C |
Question: How do yeasts reproduce asexually?
Options:
A. by merging
B. by synchronizing
C. by outcropping
D. by budding | D |
Question: How many chromosomes are in each set?
Options:
A. 22
B. 13
C. 21
D. 23 | D |
Question: Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this?
Options:
A. displacement defect
B. lattice defect
C. spontaneous mutation
D. ladder complex | B |
Question: Each species has a characteristic number of what coiled structures made of dna and proteins?
Options:
A. ribosomes
B. genes
C. chromosomes
D. prokaryotes | C |
Question: What is the name for tiny animals that feed on phytoplankton?
Options:
A. larvae
B. krill
C. jellyfish
D. zooplankton | D |
Question: What do marine autotrophs acquire in carbonic acid, its dissolved form?
Options:
A. carbon dioxide
B. silicon dioxide
C. carbon monoxide
D. chlorine dioxide | A |
Question: Asexual, sexual, budding, and parthenogenesis are all forms of what?
Options:
A. absorption
B. hibernation
C. reproduction
D. photosynthesis | C |
Question: For an exothermic chemical reaction, energy is given off as reactants are converted to what?
Options:
A. exports
B. products
C. imports
D. forms | B |
Question: Which is the ultimate energy source in a bear's food chain?
Options:
A. plants
B. decomposers
C. sun
D. heat | C |
Question: Insect's antennae are useful for sensing what?
Options:
A. sunlight
B. chemicals
C. contaminants
D. microorganisms | B |
Question: "endocrine" and "exocrine" are two types of what?
Options:
A. fluids
B. cells
C. organs
D. glands | D |
Question: What is the term for the movement of molecules from an area of high concentration to an area of low concentration?
Options:
A. concentration
B. Osmosis
C. passive transport
D. diffusion | D |
Question: What factors determine the effect of a gene?
Options:
A. metabolites
B. genomes
C. alleles
D. ribosomes | C |
Question: What type of craniates have backbones?
Options:
A. larva
B. invertebrates
C. vertebrates
D. juveniles | C |
Question: What are the most numerous blood cells?
Options:
A. neutrophils
B. red blood cells
C. white blood cells
D. platelets | B |
Question: How do autotrophs get food?
Options:
A. From Plant matter
B. Soak up from host cell
C. From Water
D. make their own | D |
Question: In boys, what hormone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch during puberty?
Options:
A. Endocrine
B. Petuitary
C. testosterone
D. Sexual | C |
Question: What is an ionic compound that produces negative hydroxide ions when dissolved in water
Options:
A. isomer
B. base
C. acid
D. catalyst | B |
Question: What is the name for the disease in which cells divide out of control?
Options:
A. cancer
B. mutation
C. diabetes
D. angina | A |
Question: The period immediately following the transmission of an impulse in a nerve or muscle, in which a neuron or muscle cell regains its ability to transmit another impulse, is called the ______ period.
Options:
A. activation
B. interstitial
C. refractory
D. extraction | C |
Question: What kinds of neutron stars emit radiation in pulses?
Options:
A. quasars
B. dwarf stars
C. red giants
D. pulsars | D |
Question: What is the change in behavior based on experience?
Options:
A. learning
B. applying
C. observing
D. analyzing | A |
Question: Competition with what emerging animal group may have led to extinction of cynodonts about 200 million years ago?
Options:
A. insects
B. reptiles
C. amphibians
D. mammals | D |
Question: Within a bud, what is spaced close together because the internodes are very short?
Options:
A. chordae
B. stems
C. leaves
D. roots | C |
Question: What controls the opening to the airway and gut?
Options:
A. electrons
B. teeth
C. mandible
D. tongue | C |
Question: When there is no mass in a volume of space, the space is not what?
Options:
A. curved
B. flat
C. timed
D. straight | A |
Question: Cells selective for different odorants are interspersed in what anatomical cavity?
Options:
A. nasal
B. abdominal
C. facial
D. mucus | A |
Question: What has revolutionized human society over the past several decades?
Options:
A. food technology
B. travel technology
C. flight technology
D. computer technology | D |
Question: What do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology?
Options:
A. reactive elements
B. rare earth metals
C. fossil fuel
D. base chemicals | B |
Question: Broca’s area, responsible for the production of language or controlling movements responsible for speech, is nearly always located on what side of the brain?
Options:
A. half
B. left
C. Hand
D. back | B |
Question: Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring?
Options:
A. gene theory
B. evolution theory
C. fossil theory
D. species theory | A |
Question: Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else?
Options:
A. vertebrates
B. cells
C. lipids
D. organs | A |
Question: What forms when nitrogen and oxygen combine at high temperatures?
Options:
A. ammonia oxide
B. carbon dioxide
C. oxygen oxide
D. nitrogen oxide | D |
Question: The posterior end of a typical rib is called what?
Options:
A. neck
B. head
C. bottom
D. chest | B |
Question: What is the name of the process in which solid food waste is passed out of the body?
Options:
A. regurgitation
B. elimination
C. extinction
D. evaporation | B |
Question: The epidermis consists mainly of what type of cells?
Options:
A. blood cells
B. cytoplasm
C. crystalline
D. epithelial | D |
Question: What is the microtubule-organizing center found near the nuclei of animal cells?
Options:
A. lysosome
B. entrosome
C. centrosome
D. spliceosome | C |
Question: Glucose and fructose are considered this type of sugar?
Options:
A. polysaccharides
B. monosaccharides, or simple
C. alcohols
D. complex carbohydrates | B |
Question: How many orders can flying birds be divided into?
Options:
A. 19
B. 31
C. 44
D. 29 | D |
Question: Two types of interference found in waves are constructive and what else?
Options:
A. primitive
B. osmotic
C. conductive
D. destructive | D |
Question: What is the name of the tube that carries sperm from the epididymis to the urethra?
Options:
A. vas deferens
B. ureter
C. prostate gland
D. fallopian tube | A |
Question: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
Options:
A. limitation effect
B. convergence effect
C. extinction effect
D. bottleneck effect | D |
Question: Matching donor and recipient blood types is important because different blood types have different types of what?
Options:
A. charges
B. antibodies
C. coagulants
D. antigens | B |
Question: Heavily vegetated lands are less likely to experience what?
Options:
A. drought
B. flooding
C. rains
D. expansion | B |
Question: Unlike fibrous or cartilaginous joints, the articulating bone surfaces at what joint type are not directly connected to each other with fibrous connective tissue or cartilage?
Options:
A. synovial joint
B. knee joint
C. polymeric joint
D. proximal joint | A |
Question: What do you call the relationship in which members of one species consume members of another species?
Options:
A. predation
B. exploitation
C. parasitism
D. competition | A |
Question: In vertebrates, a system of what structures attached to the endoskeleton enables movement?
Options:
A. muscles
B. nerves
C. tissues
D. tendons | A |
Question: What does the central cell develop into after double fertilization?
Options:
A. exosperm
B. endosperm
C. xygote
D. endocell | B |
Question: What device is an electrochemical cell or series of cells that produces an electric current?
Options:
A. reactor
B. magnet
C. battery
D. generator | C |
Question: Where does digestion begin?
Options:
A. mouth
B. tongue
C. esophogus
D. stomach | A |
Question: What kind of joints are capable of a wide range of movements, classified as gliding, angular, rotational, or special?
Options:
A. locking
B. glandular
C. synovial
D. fibrous | C |
Question: Hormones vary widely in molecular size and type as well as?
Options:
A. local regulators
B. simple regulators
C. foreign regulators
D. strange regulators | A |
Question: What kingdom of organisms constitutes up to 20 percent of all living things on earth in mass?
Options:
A. vertebrates
B. protists
C. archaeans
D. sporozoans | C |
Question: Scientists often classify or organize different objects based on their what?
Options:
A. independent variables
B. physical properties
C. behavioral traits
D. experimental properties | B |
Question: The primary substance that human cells, and ultimately human beings, are made up of is what?
Options:
A. air
B. water
C. oil
D. gas | B |
Question: The genetic code is universal, unambiguous, and what else?
Options:
A. novel
B. efficient
C. redundant
D. functional | C |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.