prompt
stringlengths 51
646
| completion
stringclasses 8
values | source
stringclasses 3
values |
|---|---|---|
What does the kelvin scale measure?
A. height
B. oxygen
C. temperature
D. precipitation
Answer:
|
C
|
sciq
|
Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?
A. secondary pollutant
B. thick pollutant
C. natural pollutant
D. primary pollutant
Answer:
|
D
|
sciq
|
What happens when an increase in temperature of a gas in a rigid container happens?
A. gas explodes
B. container shrinks
C. pressure increases
D. pressure decreases
Answer:
|
C
|
sciq
|
Which reaction between alkyl halides and ammonia makes alkylamines?
A. nitrogen catabolism
B. nucleophobic reactions
C. nucleophilic substitution reactions
D. conductive substitution reactions
Answer:
|
C
|
sciq
|
Genes are organized to make the control of gene expression easier. the promoter region is immediately upstream of this?
A. propagate sequence
B. coding sequence
C. organic sequence
D. signalling sequence
Answer:
|
B
|
sciq
|
Which phylum is made up of segmented worms such as earthworms?
A. annelida
B. nematoda
C. chordata
D. arthropod
Answer:
|
A
|
sciq
|
What is the transfer of thermal energy between substances called?
A. heat
B. Permeation
C. Radiation
D. Diffusion
Answer:
|
A
|
sciq
|
What functional units of chromosomes determine specific characteristics by coding for specific proteins?
A. DNA
B. genes
C. cells
D. chromosomes
Answer:
|
B
|
sciq
|
Aside from light, incandescent light bulbs also give off what that wastes energy?
A. heat
B. temperature
C. humidity
D. electricity
Answer:
|
A
|
sciq
|
What is an alpha particle with two protons and two neutrons called?
A. hydrogen nucleus
B. chloride nucleus
C. helium nucleus
D. hydrogen nucleus
Answer:
|
C
|
sciq
|
Just as the reaction of a diol and a diacid forms a polyester, the reaction of a diacid and a diamine yields this?
A. polyethylene
B. polyamide
C. acetone
D. phenol
Answer:
|
B
|
sciq
|
Structural rearrangements of what include partial duplications, deletions, inversions, and translocations; duplications and deletions often produce offspring that survive but exhibit physical and mental abnormalities?
A. cells
B. chromosomes
C. phenotypes
D. neutrons
Answer:
|
B
|
sciq
|
The e. coli chromosome, like many other bacterial chromosomes, is what shape?
A. oval
B. square
C. triangular
D. circular
Answer:
|
D
|
sciq
|
What is the force of attraction between two masses?
A. electricity
B. momentum
C. inertia
D. gravity
Answer:
|
D
|
sciq
|
Chordates include vertebrates and invertebrates that have what?
A. a phloem
B. a notochord
C. chordate
D. a endoderm
Answer:
|
B
|
sciq
|
Nearly how many millions of people die yearly due to air pollution?
A. five million
B. fifty million
C. eight million
D. two million
Answer:
|
A
|
sciq
|
What instrument is used to record the length and strength of an earthquake?
A. seismograph
B. transmitter
C. microscope
D. epicenter
Answer:
|
A
|
sciq
|
Skeletal muscles must work in pairs to move bones back and forth at a joint because they can only do what?
A. contract
B. pull
C. expand
D. vibrate
Answer:
|
A
|
sciq
|
What type of molecules are secreted by the cell in local signaling?
A. messenger molecules
B. sleeping molecules
C. word molecules
D. negaitive molecules
Answer:
|
A
|
sciq
|
Pulmonary ventilation in mammals occurs via what?
A. inflammation
B. ingestion
C. osmosis
D. inhalation
Answer:
|
D
|
sciq
|
Chemical signals are received by the target cell on what?
A. receptor proteins
B. acidic proteins
C. parent proteins
D. inceptor proteins
Answer:
|
A
|
sciq
|
What kind of organisms are prokaryotes?
A. multicellular organisms
B. single-celled
C. viral
D. single - flagellated
Answer:
|
B
|
sciq
|
What act like filters and remove pathogens from lymph?
A. spine nodes
B. tissue nodes
C. lymph nodes
D. electric nodes
Answer:
|
C
|
sciq
|
What are the primary cells of adaptive immune response?
A. white blood cells
B. erythrocytes
C. red blood cells
D. lymphocytes
Answer:
|
D
|
sciq
|
What term refers to the friction of fluid, within itself and its surroundings?
A. salinity
B. viscosity
C. volume
D. elasticity
Answer:
|
B
|
sciq
|
What do you call a unique substance formed when two or more elements combine chemically?
A. mixture
B. compound
C. component
D. solution
Answer:
|
B
|
sciq
|
Caves form over time when what causes rocks like limestone to dissolve?
A. air
B. weather
C. acid
D. water
Answer:
|
D
|
sciq
|
Cycloalkanes are hydrocarbons whose molecules are closed rings rather than straight or branched chains. a cyclic hydrocarbon is a hydrocarbon with a ring of these?
A. oxygen atoms
B. hydrogen atoms
C. barium atoms
D. carbon atoms
Answer:
|
D
|
sciq
|
Speciation, convergent evolution, and coevolution are types of what process?
A. systemic evolution
B. devolution
C. microevolution
D. macroevolution
Answer:
|
D
|
sciq
|
In what state do ionic compounds best conduct electricity?
A. gas
B. solid
C. plasma
D. liquid
Answer:
|
D
|
sciq
|
What type of protein fibers in the cytoskeleton are the narrowest?
A. mitosis
B. macrophages
C. capillaries
D. microfilaments
Answer:
|
D
|
sciq
|
Which layer of the earth is molten?
A. the inner core
B. the metallic core
C. the mantle
D. the outer core
Answer:
|
D
|
sciq
|
What is the general name for a solid material that is formed via a natural process?
A. mineral
B. gas
C. plasma
D. chemical
Answer:
|
A
|
sciq
|
In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center?
A. carbonate
B. calcium
C. chlorophyll
D. nutrient
Answer:
|
C
|
sciq
|
What branch of science is the study of matter and energy?
A. unnatural science
B. physical science
C. negative science
D. natural science
Answer:
|
B
|
sciq
|
What make us sick when they become human parasites?
A. larvae
B. protozoa
C. viruses
D. detritus
Answer:
|
B
|
sciq
|
The tendency of an object to resist a change in its motion is called?
A. inertia
B. gravitation
C. magnetism
D. friction
Answer:
|
A
|
sciq
|
Contributing to the blood-brain barrier is one of the jobs of glial cells, which support neurons in what system?
A. peripheral nervous system
B. circulatory system
C. digestive system
D. central nervous system
Answer:
|
D
|
sciq
|
During the condensation reaction of sugars what is removed, linking the two sugars?
A. air
B. chlorophyll
C. hormones
D. water
Answer:
|
D
|
sciq
|
What develops into embryos inside seeds, from which the next sporophyte generation grows?
A. secretions
B. zygotes
C. buds
D. pupa
Answer:
|
B
|
sciq
|
A change in temperature with distance is called a what?
A. oxygen gradient
B. speed gradient
C. temperature gradient
D. solution gradient
Answer:
|
C
|
sciq
|
What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds?
A. epithelial sac
B. umbilical sac
C. uterus
D. amniotic sac
Answer:
|
D
|
sciq
|
Catecholamines are a class of amine hormones synthesised form which amino acid?
A. phenylalanine
B. tyrosine
C. dopamine
D. epinephrine
Answer:
|
B
|
sciq
|
Regulation of hormone production hormone levels are primarily controlled through negative feedback, in which rising levels of a hormone inhibit its?
A. Limited release
B. particular release
C. recent release
D. further release
Answer:
|
D
|
sciq
|
Androgen secretion and sperm production are both controlled by hypothalamic and which other hormones?
A. pituitary
B. salivary
C. Testes
D. adrenal
Answer:
|
A
|
sciq
|
The sum of the superscripts in an electron configuration is equal to the number of electrons in that atom, which is in turn equal to what number?
A. atomic number
B. orbital number
C. metallic number
D. shell number
Answer:
|
A
|
sciq
|
What part of the brain controls body position, coordination, and balance?
A. cerebellum
B. right brain
C. brain stem
D. cerebrum
Answer:
|
A
|
sciq
|
When light transfers its energy to objects, this is known as what?
A. accumulation
B. condensation
C. evaporation
D. absorption
Answer:
|
D
|
sciq
|
What do most amphibians breathe with as larvae?
A. lungs
B. nasal passages
C. gills
D. pores
Answer:
|
C
|
sciq
|
The chemical used by the ants to weed their garden turns out to be what kind?
A. sulfide acid
B. sealant acid
C. nitric acid
D. formic acid
Answer:
|
D
|
sciq
|
A common age-related bone disease in which bone density and strength is decreased is know as what?
A. osteoporosis
B. fibrosis
C. Stomach
D. allergies
Answer:
|
A
|
sciq
|
Some fruit, like peaches, only have one big seed. what is this seed called?
A. the pit
B. the core
C. the seed
D. the middle
Answer:
|
A
|
sciq
|
Dragonflies were one of the first insects to do what?
A. fight
B. swim
C. sexually reproduce
D. fly
Answer:
|
D
|
sciq
|
Intestinal cells combine with proteins to create what?
A. lipoproteins
B. chondrocytes
C. chylomicrons
D. amino acids
Answer:
|
C
|
sciq
|
Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what?
A. beetles
B. cancer
C. carbon dioxide
D. dutch elm disease
Answer:
|
D
|
sciq
|
Two major types of fungus-like protists are slime molds and which other?
A. foul molds
B. black molds
C. green molds
D. water molds
Answer:
|
D
|
sciq
|
What are broken down during digestion to provide the amino acids needed for protein synthesis?
A. sugars
B. dietary proteins
C. metabolytes
D. carbohydrates
Answer:
|
B
|
sciq
|
A group of atoms that results when one hydrogen atom is removed from an alkane is referred to as what?
A. nitrate group
B. hyrdrogen group
C. alkyl group
D. chloride group
Answer:
|
C
|
sciq
|
What is the term for stored energy that an object has due to its position or shape?
A. potential energy
B. mechanical energy
C. kinetic energy
D. vertical energy
Answer:
|
A
|
sciq
|
What force is greater on rougher surfaces than smooth surfaces?
A. gravity
B. acceleration
C. friction
D. tension
Answer:
|
C
|
sciq
|
Nitrogen is a very important element to living things, because it is part of nucleotides and amino acids that are the building blocks of nucleic acids and these?
A. lipids
B. follicles
C. cells
D. proteins
Answer:
|
D
|
sciq
|
In the mouth, enzymes present in what begin to chemically break down food?
A. blood
B. lymph
C. acid
D. saliva
Answer:
|
D
|
sciq
|
Unlike the cells of plants and fungi, animal cells lack what?
A. flagella
B. mitochondria
C. cell wall
D. nuclei
Answer:
|
C
|
sciq
|
Because alkali metals are so reactive, they are found in nature only in ________ with other elements?
A. cooperation
B. combination
C. competition
D. isolation
Answer:
|
B
|
sciq
|
What is the plane that divides the body or an organ vertically into right and left sides?
A. median plane
B. parasagittal plane
C. anatomical plane
D. sagittal plane
Answer:
|
D
|
sciq
|
What are the organs work together to allow us to see?
A. heart
B. brain and eyes
C. nose
D. lungs
Answer:
|
B
|
sciq
|
The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this?
A. anteriorbrain
B. astrobrain
C. rearbrain
D. hindbrain
Answer:
|
D
|
sciq
|
Biotechnology uses what to solve problems?
A. biology
B. ecology
C. geology
D. psycology
Answer:
|
A
|
sciq
|
What are hurricanes called in the pacific?
A. twisters
B. rainstorms
C. typhoons
D. tornados
Answer:
|
C
|
sciq
|
What is the organ in which gas exchanges take place between blood and air?
A. kidney
B. heart
C. skin
D. lungs
Answer:
|
D
|
sciq
|
What branch of science deals with the effects people have on the environment?
A. ecological science
B. physical science
C. cultural science
D. environmental science
Answer:
|
D
|
sciq
|
Sickle cell anemia is what type of disorder?
A. spontaneous mutation
B. nongenetic disorder
C. autosomal recessive disorder
D. autosomal dominant disorder
Answer:
|
C
|
sciq
|
Which region is just posterior to the mouth?
A. the esophagus
B. the diaphragm
C. the pharynx
D. the duodenum
Answer:
|
C
|
sciq
|
What is the collective travel of sheep known as?
A. herd
B. gaggle
C. den
D. load
Answer:
|
A
|
sciq
|
What are these examples of: a person riding a carousel and a skydiver in free fall?
A. vibration
B. centripetal force
C. centrifugal force
D. acceleration
Answer:
|
D
|
sciq
|
Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements?
A. magnetic bonds
B. k. bonds
C. covalent bonds
D. n bonds
Answer:
|
D
|
sciq
|
Through what method or methods of fertilization do amphibians sexually reproduce?
A. asexual or sexual
B. mitosis and meiosis
C. external or internal
D. spawning or budding
Answer:
|
C
|
sciq
|
The distance between corresponding points of adjacent waves is known as the __________
A. absorption
B. bandwidth
C. wavelength
D. amplitude
Answer:
|
C
|
sciq
|
Which system consists of all the nervous tissue that lies outside the central nervous system?
A. cerebral cortex
B. auxiliary nervous system
C. spinal cord
D. peripheral nervous system
Answer:
|
D
|
sciq
|
What mechanism is used by living organisms to pass along genes?
A. protein
B. dna
C. chlorophyll
D. digestion
Answer:
|
B
|
sciq
|
The third line of defense of the immune system is called?
A. the sudden response
B. the immune response
C. the asymptomatic response
D. the malignant response
Answer:
|
B
|
sciq
|
What's it called when gases turn back into liquids?
A. diffusion
B. evaporation
C. condensation
D. dehydration
Answer:
|
C
|
sciq
|
What is a molecule made up of two subunits?
A. chloride
B. enzyme
C. acid
D. dimer
Answer:
|
D
|
sciq
|
The pulmonary artery carries deoxygenated blood into the lungs from this?
A. brain
B. legs
C. heart
D. bladder
Answer:
|
C
|
sciq
|
All of the living things in an area and the nonliving environment together make up what?
A. taiga
B. ecosystem
C. biosphere
D. biome
Answer:
|
B
|
sciq
|
What areas of the planet are most birds native to?
A. mountainous
B. desert
C. tropical
D. tundra
Answer:
|
C
|
sciq
|
What is the basis of enzyme classification?
A. reactions they catalyze
B. their color
C. their mass
D. their shape
Answer:
|
A
|
sciq
|
Scientists use the principles of what to make predictions, which they then test?
A. their teachers
B. their guesses
C. their faith
D. their hypothesis
Answer:
|
D
|
sciq
|
How many membranes form the mitochondrion structure of a cell?
A. two
B. three
C. one
D. five
Answer:
|
A
|
sciq
|
Lava that enters the water is called what?
A. saltwater lava
B. magma runoff
C. pillow lava
D. lava flow
Answer:
|
C
|
sciq
|
What do we call plants that shed their leaves seasonally each year?
A. lush plants
B. perennials
C. annuals
D. deciduous plants
Answer:
|
D
|
sciq
|
What do some animals use to get a feel for their environment?
A. fibroblasts
B. neuroreceptors
C. nociceptors
D. mechanoreceptors
Answer:
|
D
|
sciq
|
Gas particles are constantly colliding with each other and the walls of a container, and these collisions are elastic, so there is no net loss of what?
A. energy
B. velocity
C. temperature
D. heat
Answer:
|
A
|
sciq
|
How do birds learn to avoid eating monarch butterflies?
A. conditioning
B. instinct
C. temperature
D. digestion
Answer:
|
A
|
sciq
|
What part of the sperm contains the genetic material?
A. the " brain "
B. the " tail "
C. the " body "
D. the "head"
Answer:
|
D
|
sciq
|
Multiple sclerosis, huntington’s disease, and parkinson’s disease all affect what body system?
A. nervous system
B. lymph system
C. circulatory system
D. reproductive system
Answer:
|
A
|
sciq
|
The force that blood exerts upon the walls of the blood vessels or upon the chambers of the heart is known as blood what?
A. push
B. pressure
C. vaccuum
D. squeeze
Answer:
|
B
|
sciq
|
What is the term for the amount of internal energy that the substance can store?
A. mass capacity
B. humidity capacity
C. heat capacity
D. temperature capacity
Answer:
|
C
|
sciq
|
An aquifer is an underground layer of rock that is saturated with what?
A. groundwater
B. oil
C. ocean water
D. wastewater
Answer:
|
A
|
sciq
|
Oysters require a certain minimum population density because they must be in close proximity to do this?
A. multiply
B. replicate
C. reproduce
D. feed
Answer:
|
C
|
sciq
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.