prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Which vitamin is made in the skin when it is exposed to sunlight?
A. Vitamin C
B. Vitamin B1
C. Riboflavin
D. vitamin d
Answer: | D | sciq |
During protein synthesis, ribosomes assemble what into proteins?
A. polymer acids
B. rna acids
C. amino acids
D. DNA Acids
Answer: | C | sciq |
If particles have enough kinetic energy to completely overcome the force of attraction between them, matter exists as a what?
A. liquid
B. gas
C. vapor
D. solid
Answer: | B | sciq |
Where is chlorine gas produced?
A. in the nucleus
B. carbon cycle
C. at the anode
D. epidermis
Answer: | C | sciq |
What is the study of energy and how it interacts with matter?
A. cosmology
B. quantum mechanics
C. physics
D. kinetics
Answer: | C | sciq |
What structure of the body falls between cells and organs in complexity?
A. tissues
B. proteins
C. muscles
D. molecules
Answer: | A | sciq |
The relationships between groups of different species makes up a ___________.
A. family
B. species
C. community
D. food chain
Answer: | C | sciq |
An offspring that inherits a mutation in a gamete will have the mutation in all of its?
A. cells
B. seeds
C. eggs
D. proteins
Answer: | A | sciq |
How do organisms grow and repair themselves?
A. symbosis
B. mutation
C. cell death
D. cell division
Answer: | D | sciq |
What do halogens require electrons to achieve?
A. fusion
B. formation
C. octet
D. coupling
Answer: | C | sciq |
What is the percentage of earthquakes that take place within a plate, away from plate boundaries?
A. 4 %
B. 3 %
C. 6%
D. 5%
Answer: | D | sciq |
Despite their name, what scientists study the atmosphere rather than colliding space rocks?
A. astronomers
B. meteorologists
C. forecasters
D. astronauts
Answer: | B | sciq |
What is an insect's hard outer exoskeleton made out of?
A. melanin
B. casein
C. chitin
D. lectin
Answer: | C | sciq |
What illnesses are caused by damage to the alveoli of the lungs?
A. pneumonia and emphysema
B. chronic and emphysema
C. avian and emphysema
D. smoking and emphysema
Answer: | A | sciq |
What do you call a group of organisms of the same species that live in the same area?
A. ecosystem
B. system
C. population
D. biosphere
Answer: | C | sciq |
All the genes in all the members of a population make up its what?
A. diversity
B. phenotype
C. gene pool
D. longevity
Answer: | C | sciq |
Although some have suggested that the uvula is what type of organ, it actually serves an important purpose?
A. vestigial
B. remnant
C. parietal
D. essential
Answer: | A | sciq |
The differences in the biomes is due to differences in the what factors?
A. biological
B. abiotic
C. temperature
D. air quality
Answer: | B | sciq |
What increases the chances of someone inheriting a mitochondrial disease?
A. presence of defect transgenic and undefected mtdna
B. presence of defect ornithopods and undefected mtdna
C. presence of defect mtdna and undefected mtdna
D. presence of defect transgenic and defect mtdna
Answer: | C | sciq |
What is often the cause of phenotypic differences between identical twins?
A. learned behavior
B. environment
C. natural selection
D. genetics
Answer: | B | sciq |
What kind of equal and opposite forces cancel one another out when they act on the same object?
A. combined
B. exact
C. balanced
D. solid
Answer: | C | sciq |
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?
A. identical twins
B. fractional
C. fraternal, non-identical
D. interdependant twins
Answer: | C | sciq |
Many diseases arise from genetic mutations that prevent the synthesis of critical what?
A. oils
B. acids
C. lipids
D. proteins
Answer: | D | sciq |
Pseudohypertrophic muscular dystrophy is an inherited disorder that causes gradual deterioration of what?
A. brain
B. muscles
C. nerves
D. fluids
Answer: | B | sciq |
Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from?
A. proteins
B. organisms
C. tissues
D. ultraviolet rays
Answer: | B | sciq |
What type of fibrous joint is found between most bones of the skull?
A. lobiture
B. suture
C. trecature
D. aperture
Answer: | B | sciq |
Innate behaviors occur in all animals. however, they are less common in species with higher levels of what?
A. hormones
B. interdependence
C. intelligence
D. nonverbal communication
Answer: | C | sciq |
The periodic table is an arrangement of the elements in order of increasing what?
A. negative numbers
B. gravity numbers
C. metallic numbers
D. atomic numbers
Answer: | D | sciq |
What type of ions play critical roles in light-dependent reactions?
A. helium
B. silicon
C. calcium
D. hydrogen
Answer: | D | sciq |
What moves nitrogen back and forth between the atmosphere and organisms?
A. the calcium cycle
B. the Krebs cycle
C. the leakage cycle
D. the nitrogen cycle
Answer: | D | sciq |
What is caused by human actions that releases chemical substances and particles into the air?
A. heavy pollution
B. Improper Emissions
C. CFO pollution
D. air pollution
Answer: | D | sciq |
The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?
A. red blood cells
B. leukocytes
C. pathogens
D. glands
Answer: | B | sciq |
What chemical substances are secreted by animals that communicate by odor or taste?
A. hormones
B. alaki
C. pheromones
D. acids
Answer: | C | sciq |
Hydropower is generated with what natural resource?
A. air
B. light
C. fire
D. water
Answer: | D | sciq |
What are the three types of rocks?
A. igneous, sedimentary, metamorphic
B. opaque , sedimentary , metamorphic
C. igneous, sedimentary, mixed
D. igneous, orbital, metamorphic
Answer: | A | sciq |
How do yeasts reproduce asexually?
A. by budding
B. by outcropping
C. by synchronizing
D. by merging
Answer: | A | sciq |
How many chromosomes are in each set?
A. 21
B. 22
C. 13
D. 23
Answer: | D | sciq |
Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this?
A. lattice defect
B. spontaneous mutation
C. ladder complex
D. displacement defect
Answer: | A | sciq |
Each species has a characteristic number of what coiled structures made of dna and proteins?
A. prokaryotes
B. chromosomes
C. ribosomes
D. genes
Answer: | B | sciq |
What is the name for tiny animals that feed on phytoplankton?
A. krill
B. zooplankton
C. larvae
D. jellyfish
Answer: | B | sciq |
What do marine autotrophs acquire in carbonic acid, its dissolved form?
A. silicon dioxide
B. chlorine dioxide
C. carbon dioxide
D. carbon monoxide
Answer: | C | sciq |
Asexual, sexual, budding, and parthenogenesis are all forms of what?
A. reproduction
B. photosynthesis
C. absorption
D. hibernation
Answer: | A | sciq |
For an exothermic chemical reaction, energy is given off as reactants are converted to what?
A. forms
B. exports
C. imports
D. products
Answer: | D | sciq |
Which is the ultimate energy source in a bear's food chain?
A. plants
B. decomposers
C. heat
D. sun
Answer: | D | sciq |
Insect's antennae are useful for sensing what?
A. chemicals
B. contaminants
C. microorganisms
D. sunlight
Answer: | A | sciq |
"endocrine" and "exocrine" are two types of what?
A. cells
B. organs
C. glands
D. fluids
Answer: | C | sciq |
What is the term for the movement of molecules from an area of high concentration to an area of low concentration?
A. passive transport
B. diffusion
C. concentration
D. Osmosis
Answer: | B | sciq |
What factors determine the effect of a gene?
A. metabolites
B. genomes
C. alleles
D. ribosomes
Answer: | C | sciq |
What type of craniates have backbones?
A. juveniles
B. larva
C. vertebrates
D. invertebrates
Answer: | C | sciq |
What are the most numerous blood cells?
A. platelets
B. neutrophils
C. red blood cells
D. white blood cells
Answer: | C | sciq |
How do autotrophs get food?
A. Soak up from host cell
B. From Water
C. From Plant matter
D. make their own
Answer: | D | sciq |
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?
A. Sexual
B. testosterone
C. Endocrine
D. Petuitary
Answer: | B | sciq |
What is an ionic compound that produces negative hydroxide ions when dissolved in water
A. isomer
B. base
C. acid
D. catalyst
Answer: | B | sciq |
What is the name for the disease in which cells divide out of control?
A. mutation
B. diabetes
C. cancer
D. angina
Answer: | C | sciq |
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.
A. refractory
B. extraction
C. activation
D. interstitial
Answer: | A | sciq |
What kinds of neutron stars emit radiation in pulses?
A. red giants
B. quasars
C. dwarf stars
D. pulsars
Answer: | D | sciq |
What is the change in behavior based on experience?
A. applying
B. learning
C. analyzing
D. observing
Answer: | B | sciq |
Competition with what emerging animal group may have led to extinction of cynodonts about 200 million years ago?
A. insects
B. amphibians
C. mammals
D. reptiles
Answer: | C | sciq |
Within a bud, what is spaced close together because the internodes are very short?
A. stems
B. chordae
C. roots
D. leaves
Answer: | D | sciq |
What controls the opening to the airway and gut?
A. tongue
B. teeth
C. mandible
D. electrons
Answer: | C | sciq |
When there is no mass in a volume of space, the space is not what?
A. curved
B. straight
C. timed
D. flat
Answer: | A | sciq |
Cells selective for different odorants are interspersed in what anatomical cavity?
A. nasal
B. abdominal
C. facial
D. mucus
Answer: | A | sciq |
What has revolutionized human society over the past several decades?
A. food technology
B. travel technology
C. flight technology
D. computer technology
Answer: | D | sciq |
What do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology?
A. reactive elements
B. rare earth metals
C. base chemicals
D. fossil fuel
Answer: | B | sciq |
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?
A. left
B. Hand
C. half
D. back
Answer: | A | sciq |
Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring?
A. species theory
B. gene theory
C. evolution theory
D. fossil theory
Answer: | B | sciq |
Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else?
A. lipids
B. organs
C. vertebrates
D. cells
Answer: | C | sciq |
What forms when nitrogen and oxygen combine at high temperatures?
A. nitrogen oxide
B. oxygen oxide
C. carbon dioxide
D. ammonia oxide
Answer: | A | sciq |
The posterior end of a typical rib is called what?
A. bottom
B. head
C. chest
D. neck
Answer: | B | sciq |
What is the name of the process in which solid food waste is passed out of the body?
A. extinction
B. elimination
C. evaporation
D. regurgitation
Answer: | B | sciq |
The epidermis consists mainly of what type of cells?
A. cytoplasm
B. epithelial
C. blood cells
D. crystalline
Answer: | B | sciq |
What is the microtubule-organizing center found near the nuclei of animal cells?
A. entrosome
B. centrosome
C. spliceosome
D. lysosome
Answer: | B | sciq |
Glucose and fructose are considered this type of sugar?
A. complex carbohydrates
B. monosaccharides, or simple
C. alcohols
D. polysaccharides
Answer: | B | sciq |
How many orders can flying birds be divided into?
A. 31
B. 29
C. 44
D. 19
Answer: | B | sciq |
Two types of interference found in waves are constructive and what else?
A. conductive
B. primitive
C. osmotic
D. destructive
Answer: | D | sciq |
What is the name of the tube that carries sperm from the epididymis to the urethra?
A. prostate gland
B. vas deferens
C. ureter
D. fallopian tube
Answer: | B | sciq |
What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
A. bottleneck effect
B. limitation effect
C. extinction effect
D. convergence effect
Answer: | A | sciq |
Matching donor and recipient blood types is important because different blood types have different types of what?
A. coagulants
B. antigens
C. charges
D. antibodies
Answer: | D | sciq |
Heavily vegetated lands are less likely to experience what?
A. expansion
B. rains
C. drought
D. flooding
Answer: | D | sciq |
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?
A. knee joint
B. proximal joint
C. polymeric joint
D. synovial joint
Answer: | D | sciq |
What do you call the relationship in which members of one species consume members of another species?
A. exploitation
B. competition
C. parasitism
D. predation
Answer: | D | sciq |
In vertebrates, a system of what structures attached to the endoskeleton enables movement?
A. tissues
B. nerves
C. tendons
D. muscles
Answer: | D | sciq |
What does the central cell develop into after double fertilization?
A. xygote
B. endosperm
C. exosperm
D. endocell
Answer: | B | sciq |
What device is an electrochemical cell or series of cells that produces an electric current?
A. battery
B. reactor
C. magnet
D. generator
Answer: | A | sciq |
Where does digestion begin?
A. esophogus
B. stomach
C. tongue
D. mouth
Answer: | D | sciq |
What kind of joints are capable of a wide range of movements, classified as gliding, angular, rotational, or special?
A. fibrous
B. synovial
C. glandular
D. locking
Answer: | B | sciq |
Hormones vary widely in molecular size and type as well as?
A. strange regulators
B. local regulators
C. simple regulators
D. foreign regulators
Answer: | B | sciq |
What kingdom of organisms constitutes up to 20 percent of all living things on earth in mass?
A. protists
B. archaeans
C. sporozoans
D. vertebrates
Answer: | B | sciq |
Scientists often classify or organize different objects based on their what?
A. independent variables
B. experimental properties
C. behavioral traits
D. physical properties
Answer: | D | sciq |
The primary substance that human cells, and ultimately human beings, are made up of is what?
A. oil
B. water
C. gas
D. air
Answer: | B | sciq |
The genetic code is universal, unambiguous, and what else?
A. efficient
B. redundant
C. functional
D. novel
Answer: | B | sciq |
An electromagnetic wave begins with what movement by an electrically charged particle?
A. momentum
B. diffusion
C. acceleration
D. vibration
Answer: | D | sciq |
What are the sharp projections that specialized cells grow called?
A. cilia
B. spicules
C. antlers
D. ossicles
Answer: | B | sciq |
What is formed when water vapor in the air condenses into tiny droplets?
A. hail
B. smoke
C. fog
D. rain
Answer: | C | sciq |
The main components of the circulatory system are the heart, blood vessels, and what else?
A. lungs
B. blood
C. nerves
D. brain
Answer: | B | sciq |
From what do tubeworms found deep in the galapagos rift get their energy from?
A. chemosynthetic fish
B. chemosynthetic bacteria
C. chemosynthetic viruses
D. chemosynthetic plants
Answer: | B | sciq |
What is water falling from the sky called?
A. acid
B. temperature
C. snow
D. precipitation
Answer: | D | sciq |
Coal, oil and natural gas are types of what formed from the remains of once living organisms?
A. fossil fuels
B. fossil compounds
C. crop fuels
D. living fossils
Answer: | A | sciq |
In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction?
A. biochemical
B. endothermic
C. geothermal
D. exothermic
Answer: | D | sciq |
What is a force that opposes motion?
A. tension
B. thrust
C. momentum
D. friction
Answer: | D | sciq |
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