prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What season do the largest waves for surfers typically come?
A. winter
B. autumn
C. spring
D. summer
Answer: | A | sciq |
The peripheral nervous system has major nerves that travel through every part of the body except which two places?
A. lungs and spinal cord
B. brain and heart
C. muscles and brain
D. brain and spinal cord
Answer: | D | sciq |
Each nitrogenous base has one or two rings that include which atoms?
A. carbon
B. oxygen
C. nitrogen
D. hydrogen
Answer: | C | sciq |
Pluto's orbit is so elliptical that sometimes it is inside the orbit of which planet?
A. titan
B. neptune
C. Earth
D. Mars
Answer: | B | sciq |
More than half the compounds produced by the chemical industry are what?
A. gas polymers
B. replacement polymers
C. synthetic polymers
D. artificial polymers
Answer: | C | sciq |
What is it called when electrons are shared equally?
A. nonpolar bonds
B. metabolized bonds
C. helices bonds
D. polar bonds
Answer: | A | sciq |
Ribosomes are cellular substructures where what are synthesized?
A. Molecule
B. acids
C. cells
D. proteins
Answer: | D | sciq |
How long can carbon be stored in sedimentary rock?
A. 22 weeks
B. around 10,000 years
C. less than 1000 years
D. millions of years
Answer: | D | sciq |
What do you call an animal in which the embryo, often termed a joey, is born immature and must complete its development outside the mother's body?
A. placental mammal
B. marsupial
C. eukaryotic
D. monotreme
Answer: | B | sciq |
What is the most important element to life?
A. nitrogen
B. oxygen
C. carbon
D. hydrogen
Answer: | C | sciq |
The idea of evolution has been around for centuries. in fact, it goes all the way back to the ancient greek philosopher named?
A. Galileo
B. Pluto
C. Xerxes
D. aristotle
Answer: | D | sciq |
When a balloon is rubbed against hair, why do they attract each other?
A. lean electron charge
B. constantly electron charge
C. same electron charge
D. opposite electron charge
Answer: | D | sciq |
Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere?
A. nitrogen
B. oxygen
C. hydrogen
D. carbon dioxide
Answer: | D | sciq |
What is the name of the scientific field that deals with the general study of the solid earth?
A. geology
B. chemistry
C. physics
D. astronomy
Answer: | A | sciq |
What kind of enzyme is phosphofructokinase?
A. allosteric
B. covalent
C. intracellular
D. orthosteric
Answer: | A | sciq |
Covering about 16 percent of the moon's surface, maria are dark, solid, flat areas consisting of what substance?
A. dust
B. debris
C. ash
D. lava
Answer: | D | sciq |
Sickle cell disease is caused by production of an abnormal type of what?
A. hemoglobin
B. thrombocyte
C. leukocyte
D. fat globule
Answer: | A | sciq |
Who first proposed that earth is a magnet?
A. Albert Einstein
B. william gilbert
C. Marconi
D. Isaac Newton
Answer: | B | sciq |
Which atomic model shows that the distances of electrons from the nucleus is not a fixed value?
A. the equivocation model
B. the distance model
C. the electron model
D. the quantum model
Answer: | D | sciq |
What is it called when breaks in bone occur that is usually caused by excessive stress on the bone?
A. ruptures
B. faults
C. fragments
D. fractures
Answer: | D | sciq |
What crystals consist of molecules at the lattice points of the crystal, held together by relatively weak intermolecular forces?
A. healing crystals
B. molecular crystals
C. quartz crystals
D. salt crystals
Answer: | B | sciq |
What causes continents to drift closer to the poles or the equator?
A. earthquakes
B. plate movements
C. plate tectonics
D. time
Answer: | B | sciq |
What is the major selective advantage of myelination?
A. heat regulation
B. space efficiency
C. potentiation
D. storage capacity
Answer: | B | sciq |
What debated therapy offers a potential method for replacing neurons lost to injury or disease?
A. stem cell therapy
B. cell duplication
C. cell production therapy
D. stem cell reduction
Answer: | A | sciq |
How many types of simple machines are there?
A. six types
B. two types
C. ten types
D. three types
Answer: | A | sciq |
After dispersal of a seed, what next step may occur if environmental conditions are favorable?
A. germination
B. infection
C. degradation
D. bloom
Answer: | A | sciq |
What is the term for the smallest particle of an element that still has the properties of that element?
A. electron
B. nucleus
C. atom
D. neutron
Answer: | C | sciq |
What are insect parasites transmitted sexually?
A. chlamydia
B. pinworms
C. deer ticks
D. pubic lice
Answer: | D | sciq |
What type of energy is used when a roller coaster runs downhill?
A. proportional energy
B. kinetic energy
C. vibrational energy
D. residual energy
Answer: | B | sciq |
In what process is atp created by glycolysis, without oxygen?
A. sedimentation
B. fermentation
C. condensation
D. oxidation
Answer: | B | sciq |
What helps deposit the material in caves as stalactites, stalagmites, and columns
A. precipitation
B. groundwater
C. gas
D. wastewater
Answer: | B | sciq |
A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution?
A. greenhouse gases
B. algal bloom
C. fracking disaster
D. oil spill
Answer: | D | sciq |
Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas?
A. carbon dioxide
B. hydrogen
C. oxygen
D. nitrogen
Answer: | C | sciq |
Chemical reactions are typically written to imply that they proceed in one direction - if they can occur in either direction, they are considered what?
A. singular
B. reactive
C. observable
D. reversible
Answer: | D | sciq |
Single-celled eukaryotes that share some traits with animals are also called?
A. prokaryotes
B. eukaryotes
C. monomers
D. microorganisms
Answer: | B | sciq |
Antibiotics can be used to fight what, in general?
A. bacteria
B. pathogens
C. fever
D. viruses
Answer: | A | sciq |
An organism that carries pathogens from one individual to another is called what?
A. host
B. germ cell
C. vector
D. virus
Answer: | C | sciq |
What fills the epidermal cells that make up fingernails and toenails?
A. chromatin
B. cellulose
C. amino acids
D. keratin
Answer: | D | sciq |
What is the name for a parasite that causes disease?
A. fungi
B. microbes
C. pathogen
D. enfluenza
Answer: | C | sciq |
What type of map shows the elevation and features in an area?
A. geographic
B. topographic
C. gradient
D. meteorological
Answer: | B | sciq |
What are organelles made of protein and ribosomal rna (rrna)?
A. carbons
B. chromosomes
C. ribosomes
D. electrons
Answer: | C | sciq |
What are major temperature zones primarily based on?
A. gps
B. longitude
C. altitude
D. latitute
Answer: | D | sciq |
What type of muscle is found in the walls of other internal organs such as the stomach?
A. inorganic muscle
B. Fiber Muscle
C. smooth muscle
D. Tube Muscle
Answer: | C | sciq |
A visual "copy" of an object that is formed by reflected or refracted light is called what?
A. photo
B. instance
C. mirror
D. image
Answer: | D | sciq |
From the pharynx, air next passes through what structure, also known as the voice box because it contains vocal cords?
A. trachea
B. pancreas
C. diaphram
D. larynx
Answer: | D | sciq |
Vertebrates are all chordates that have a what?
A. backbone
B. circulatory system
C. fossil
D. brain
Answer: | A | sciq |
What do structures of the human eye collect and focus?
A. light
B. sugars
C. electricity
D. air
Answer: | A | sciq |
Different elements differ in the size, mass, and other properties of what fundamental structures?
A. compounds
B. atoms
C. particles
D. ions
Answer: | B | sciq |
Breasts are considered accessory organs of what body system?
A. nervous system
B. digestive system
C. lymphatic system
D. female reproductive system
Answer: | D | sciq |
Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
A. nervous system
B. digestion system
C. hormones system
D. immune system
Answer: | D | sciq |
What type of cells make up tumors?
A. cancer cells
B. boyle cells
C. consumption cells
D. white blood cells
Answer: | A | sciq |
When leaves wilt, what plant process ceases?
A. reactions
B. carbonation
C. photosynthesis
D. hydration
Answer: | C | sciq |
What type of tissue makes up much of the inside of a plant?
A. ground tissue
B. leaf tissue
C. stem tissue
D. working tissue
Answer: | A | sciq |
Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what?
A. kidneys
B. lungs
C. bloodstream
D. liver
Answer: | C | sciq |
Does blood flow increase or decrease when blood vessels constrict?
A. increases
B. it stops
C. decrease
D. it's not affected
Answer: | C | sciq |
What is venus covered in a thick layer of?
A. fog
B. storms
C. gases
D. clouds
Answer: | D | sciq |
What type of aquifer is trapped between two impermeable rock layers?
A. confined
B. abandoned
C. segmented
D. solid
Answer: | A | sciq |
Name the multi-phase process in which the nucleus of a eukaryotic cell divides?
A. mitosis
B. symbiosis
C. cytokinesis
D. meiosis
Answer: | A | sciq |
What is the term for the basic contractile unit of the muscle?
A. sarcomere
B. sphincter
C. bandimere
D. filament
Answer: | A | sciq |
What are chemical messengers that control sexual development and reproduction?
A. sex hormones
B. proteins
C. neurotransmitters
D. lipids
Answer: | A | sciq |
What are species that are first to colonize a disturbed area called?
A. pioneer species
B. exploratory species
C. novel species
D. brave species
Answer: | A | sciq |
What planet is the easiest to observe?
A. uranus
B. pluto
C. mercury
D. mars
Answer: | D | sciq |
Where does the heartbeat originate in vertebrates?
A. the heart
B. the pulse
C. the tissue
D. the blood
Answer: | A | sciq |
What is a process where some substances called reactants change chemically into different substances called products?
A. chemical reaction
B. carbon reaction
C. crystals reaction
D. non-chemical reaction
Answer: | A | sciq |
Cellulose is the main structural component of what part of the plant cell, and makes up over thirty percent of plant matter?
A. cell wall
B. flowers
C. roots
D. proteins wall
Answer: | A | sciq |
What is a push or a pull acting on an object?
A. force
B. action
C. energy
D. pulse
Answer: | A | sciq |
Which organ will bladder infections commonly damage if untreated?
A. kidney
B. heart
C. tissue
D. lungs
Answer: | A | sciq |
What is the acid that is released by the stomach that kills most pathogens that enter the stomach?
A. Hydrofluoric Acid
B. hydrochloric acid
C. Sulfuric Acid
D. Nitric Acid
Answer: | B | sciq |
What occurs when force is applied to a moving object?
A. inertia
B. acceleration
C. transmission
D. stimulation
Answer: | B | sciq |
Smooth, cardiac, and skeletal are all types of what?
A. teeth
B. bone
C. hormones
D. muscle
Answer: | D | sciq |
What group of elements does sodium belong to?
A. alkali metals
B. halogens
C. noble gases
D. metalloids
Answer: | A | sciq |
Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what?
A. after phase
B. in phase
C. before phase
D. in equilibrium
Answer: | B | sciq |
The process of photosynthesis uses chlorophyll, which is located in organelles called what?
A. nucleus
B. mitochondria
C. fibroblasts
D. chloroplasts
Answer: | D | sciq |
What kind of oily substance is secreted from sebaceous glands?
A. progesterone
B. pus
C. sebum
D. Blood
Answer: | C | sciq |
Some reactions need extra help to occur quickly. they need another substance called what?
A. protein
B. a catalyst
C. neurotransmitter
D. hormone
Answer: | B | sciq |
What have approximately the same mass as protons but no charge?
A. reactions
B. neutrons
C. atoms
D. electrons
Answer: | B | sciq |
Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
A. toddler
B. adult
C. fetal
D. infant
Answer: | C | sciq |
What do you call aquatic biomes in the ocean?
A. freshwater biomes
B. coastal biomes
C. marine biomes
D. ocean dwellers
Answer: | C | sciq |
The reaction of which body system causes food allergies?
A. lymphatic system
B. cardiac system
C. nervous system
D. immune system
Answer: | D | sciq |
Leaving tampons in for too long can put you at risk of what syndrome?
A. Scalded Skin Syndrome
B. Vaginismis
C. Endometrial Cancer
D. toxic shock
Answer: | D | sciq |
There are three flat skeletal muscles in the antero-lateral wall of what?
A. shoulder socket
B. thoracic cavity
C. hip joint
D. abdomen
Answer: | D | sciq |
The dead, dry stratum corneum is the most superficial layer of what and is the layer exposed to the outside environment?
A. intestinal
B. dermis
C. epidermis
D. lungs
Answer: | C | sciq |
What protein is produced when a plasma cell is stimulated by antigens?
A. immunoglobulin
B. keratin
C. dystrophin
D. collagen
Answer: | A | sciq |
An unbalanced force on an object in motion causes what?
A. acceleration
B. velocity
C. vibration
D. agitation
Answer: | A | sciq |
Partial albinism results from a mutation in an enzyme that is involved in the production of what?
A. cytoplasm
B. hair
C. melanin
D. cancer
Answer: | C | sciq |
Where does a baby travel to after leaving the uterus?
A. birth canal
B. nasal canal
C. ear canal
D. tissue canal
Answer: | A | sciq |
Name an important natural resource in and of itself.
A. food chain
B. water
C. biodiversity
D. habitat
Answer: | C | sciq |
In classical conditioning, a response called the conditioned response is associated with what?
A. unconditioned stimulus
B. blocking effect
C. external inhibition
D. conditioned stimulus
Answer: | D | sciq |
What kind of bonds does boron form rather than metallic lattices?
A. bilateral
B. electron bonds
C. magnetic bonds
D. multicenter
Answer: | D | sciq |
What broad group of living things serves as the major producers in terrestrial biomes?
A. plants
B. animals
C. flowers
D. vases
Answer: | A | sciq |
Birds that move pollen from flower to flower are called what?
A. pollinators
B. spores
C. carnivores
D. frogs
Answer: | A | sciq |
The major cause of outdoor air pollution is the burning of?
A. trash
B. trees
C. charcoal briquettes
D. fossil fuels
Answer: | D | sciq |
What is the ideal mechanical advantage in the single fixed pulley?
A. 2
B. zero
C. 4
D. 1
Answer: | D | sciq |
What science is the study of matter and the changes it undergoes?
A. astronomy
B. chemistry
C. biology
D. geology
Answer: | B | sciq |
What is driven by the sun's energy and moves water over the surface of earth?
A. sun cycle
B. the water cycle
C. tides
D. weather cycle
Answer: | B | sciq |
What are materials that are poor thermal conductors called?
A. thermal insulators
B. warmth insulators
C. pollution insulators
D. sunlight insulators
Answer: | A | sciq |
Balanced chemical reactions are balanced in what?
A. molecular bonds
B. terms of moles
C. electrical charge
D. atoms
Answer: | B | sciq |
The autonomic nervous system serves as the relay between what and the internal organs?
A. peripheral nervous system
B. somatic system
C. hormones
D. central nervous system
Answer: | D | sciq |
The role that a particular species plays in its ecosystem is also known as what?
A. type
B. niche
C. unique
D. market
Answer: | B | sciq |
What element has the atomic number 16?
A. helium
B. oxygen
C. sulfur
D. neon
Answer: | C | sciq |
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