prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What term is used to describe modern seed plants that produce seeds in cones?
A. gymnosperms
B. angiosperms
C. deciduous
D. perennials
Answer: | A | sciq |
What kind of joints does the skull have that do not allow any movement?
A. fixed joints
B. fixed particles
C. fixed cells
D. fixed plates
Answer: | A | sciq |
The shoulder and hip are examples of what type of joints?
A. ball and socket
B. lever
C. hinge
D. pivot
Answer: | A | sciq |
The tails of the hale-bopp comet point away from the sun, evidence that light has what property of motion?
A. acceleration
B. velocity
C. inertia
D. momentum
Answer: | D | sciq |
What type of virus can cause painful sores on the mouth and genitals?
A. syphilis
B. herpes
C. Aids
D. gonorrhea
Answer: | B | sciq |
The flood of sodium ions through the symporter provides the energy that allows what to move through the symporter and into the cell?
A. insulin
B. sucrose
C. mitochondria
D. glucose
Answer: | D | sciq |
Alternative current is produced when a magnet or coil does what?
A. moves at faster velocities
B. moves up and down repeatedly
C. moves back and forth repeatedly
D. moves in circles at faster rates
Answer: | C | sciq |
What are the chemical formulas for covalent compounds referred to as?
A. Electron Formulas
B. nucleus formulas
C. molecular formulas
D. magnetic formulas
Answer: | C | sciq |
What do secondary spermatocytes form when completing meiosis?
A. semen
B. spermatids
C. sporozoans
D. pores
Answer: | B | sciq |
What is the name of the muscle that contracts to cause the joint to straighten?
A. flexor
B. opposing
C. abductor
D. extensor
Answer: | D | sciq |
Name the process of removing wastes from the body.
A. depletion
B. excretion
C. filtration
D. degradation
Answer: | B | sciq |
What term means the percentage by mass of each element in a compound?
A. mass effect
B. biomass
C. elemental percent
D. percent composition
Answer: | D | sciq |
Beaches and deserts collect large deposits of what?
A. sand
B. plants
C. water
D. animals
Answer: | A | sciq |
What is the name for animals that have a backbone?
A. vertebrates
B. skeletates
C. invertebrates
D. mammals
Answer: | A | sciq |
The attractive force between water molecules is what kind of reaction?
A. dipole reaction
B. symmetrical reaction
C. aquatic reaction
D. diffusion reaction
Answer: | A | sciq |
Which procedure helps modern nuclear physics convert lead into gold?
A. nuclear bombardment
B. nuclear fission
C. evaporation
D. matter fusion
Answer: | A | sciq |
Alkanes are nonpolar and therefore do not attract what?
A. molecules
B. ions
C. eons
D. atoms
Answer: | B | sciq |
What do we call the lowest layer of the atmosphere?
A. mesosphere
B. asthenosphere
C. troposphere
D. stratosphere
Answer: | C | sciq |
Oxygenated blood is transported by what system?
A. skeletal
B. pulmonary
C. nervous
D. circulatory
Answer: | D | sciq |
Internal resistance, or (electrical) resistance in general, involves the resistance of the flow of what?
A. force
B. water
C. current
D. protons
Answer: | C | sciq |
What gas produced by fossil fuel use is a major cause of global warming?
A. carbon dioxide
B. phosphorous
C. helium
D. hydrogen
Answer: | A | sciq |
What supports most of earth's ecosystems?
A. oceans
B. sun
C. moon
D. crust
Answer: | B | sciq |
Because carbohydrates have a carbonyl functional group and several hydroxyl groups, they can undergo a variety of biochemically important reactions. the carbonyl group, for example, can be oxidized to form a carboxylic acid or reduced to form this?
A. alcohol
B. glucose
C. caffeine
D. sucrose
Answer: | A | sciq |
What do earth and the other planets in the solar system make around the sun?
A. elevated orbits
B. smooth orbits
C. elliptical orbits
D. radial orbits
Answer: | C | sciq |
What do anglerfish use their glow-in-the-dark, rod-like structure for?
A. to attract prey
B. to keep warm
C. to find a mate
D. for protection
Answer: | A | sciq |
Surface tension is responsible for the fact that small insects can do this on water?
A. sink
B. swim
C. float
D. walk
Answer: | D | sciq |
What kind of muscle is responsible for making the human heart beat?
A. teres minor
B. deltoid
C. respiratory muscle
D. cardiac muscle
Answer: | D | sciq |
Channel proteins and carrier proteins help substances diffuse across what?
A. cytoplasm
B. cell membrane
C. endoplasmic reticulum
D. ribosomes
Answer: | B | sciq |
Humans building communities to make survival easier is an example of humans as a species changing their what?
A. instinctive behavior
B. environment
C. evolution
D. climate
Answer: | B | sciq |
When a lower energy level is ______ electrons are added to the next higher energy level.
A. empty
B. unbalanced
C. full
D. ready
Answer: | C | sciq |
The amount of force applied per given area is called?
A. pressure
B. power
C. energy
D. strength
Answer: | A | sciq |
What is the atomic number of magnesium?
A. 8
B. 25
C. 17
D. 12
Answer: | D | sciq |
After the egg is fertilized the mrna is translated into what?
A. factor
B. DNA
C. protein
D. mitochondria
Answer: | C | sciq |
What is the process that ventilates lungs called?
A. breathing
B. photosynthesis
C. perspiration
D. reproduction
Answer: | A | sciq |
What aspect of beryllium allows it to absorb x-rays?
A. relative atomic number
B. low atomic number
C. high atomic number
D. magnetism
Answer: | B | sciq |
What are drilled to monitor groundwater pollution?
A. draining wells
B. sewers
C. test wells
D. aquifers
Answer: | C | sciq |
The two smallest carboxylic acids are formic acid and what else?
A. ascorbic acid
B. ethylene acid
C. carbonates acid
D. acetic acid
Answer: | D | sciq |
What incredibly successful species has quickly colonized almost all of earth’s terrestrial habitats, but also impacted earth, its climate, and its environment?
A. humans
B. birds
C. fish
D. chimpanzees
Answer: | A | sciq |
What prepares the body for fight or flight during emergencies?
A. adrenal mechanism
B. sympathetic division
C. metabolic response
D. abnormal division
Answer: | B | sciq |
Gymnosperms have evolved to include what?
A. flowers
B. cells
C. stems
D. seeds
Answer: | D | sciq |
How do gametophyte plants form haploid gametes?
A. through mitosis
B. during after omniosis
C. during omniosis
D. during after mitosis
Answer: | A | sciq |
What french chemist discovered the radioactive elements polonium and radium?
A. pascal curie
B. margaret curie
C. marie curie
D. louis pasteur
Answer: | C | sciq |
What is another term for the parabolic motion of a thrown object?
A. newtonian motion
B. projectile motion
C. simple motion
D. regular motion
Answer: | B | sciq |
Passive immunity arises from the transfer of what to an individual, without requiring them to mount their own active immune response?
A. antibodies
B. viruses
C. bacteria
D. parasites
Answer: | A | sciq |
At equilibrium reactants and what are equally abundant?
A. minerals
B. proactives
C. products
D. results
Answer: | C | sciq |
Mitochondria are thought to have evolved from what kind of cells?
A. ancient phosphorylation
B. ancient matrix
C. ancient ribosome
D. ancient prokaryotic
Answer: | D | sciq |
An acellular, external cuticle protects the _________.
A. stomach
B. epidermis
C. dermis
D. lungs
Answer: | B | sciq |
The average number of individuals per unit of area or volume is referred to as a population's what?
A. density
B. diameter
C. increase
D. output
Answer: | A | sciq |
What is the medical term for a condition caused by abnormalities, such as mutations, in your genes or chromosomes?
A. nervous disorder
B. genetic disorder
C. mutations disorder
D. radiation disorder
Answer: | B | sciq |
What is glucose used for the bacteria?
A. fuel
B. food
C. energy
D. reproduction
Answer: | B | sciq |
What do carnivores eat?
A. plants
B. algae
C. ice
D. animals
Answer: | D | sciq |
What is algae easier to covert into that corn is currently used for?
A. food
B. sugar
C. fuel
D. oil
Answer: | C | sciq |
Dividing net force by total mass yields what?
A. energy
B. acceleration
C. movement
D. transmission
Answer: | B | sciq |
What ensures that seeds germinate only when conditions for seedling survival are optimal?
A. germination dormancy
B. seed dormancy
C. seed forcing
D. survival dormancy
Answer: | B | sciq |
The a in atp is short for what?
A. acetic
B. acid
C. adenosine
D. amino
Answer: | C | sciq |
How many fingers do apes have on each hand?
A. six
B. seven
C. four
D. five
Answer: | D | sciq |
Which atomic particle has a positive charge?
A. the neutron
B. the nucleus
C. the electron
D. the proton
Answer: | D | sciq |
What does the presence of gill slits suggest about humans and fish?
A. Shared History
B. Same evolutionary chain
C. Common Cells
D. common ancestor
Answer: | D | sciq |
What was first discovered in songbirds that produce new neurons while learning songs?
A. homeostasis
B. neurogenesis
C. proteins
D. Brain Cord
Answer: | B | sciq |
Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science?
A. geology
B. electronics
C. biology
D. chemistry
Answer: | C | sciq |
What do we call the center of a hurricane where the air is calm and clear?
A. neck
B. eye
C. nose
D. epicenter
Answer: | B | sciq |
Mass can be destroyed to release what?
A. mass
B. energy
C. acceleration
D. velocity
Answer: | B | sciq |
Name the organ located behind the nasal cavity in which both food and air pass through?
A. pharynx
B. diaphragm
C. medulla
D. sinus
Answer: | A | sciq |
Both mitosis and meiosis result in eukaryotic cells doing what?
A. limiting
B. friction
C. dividing
D. multiplication
Answer: | C | sciq |
In resting neurons, the plasma membrane has many open potassium channels but few open of which other channels?
A. sulfur
B. oxygen
C. sodium
D. silicon
Answer: | C | sciq |
The theory of evolution by what (and other processes) explains both the diversity of organisms and how populations of organisms change over time?
A. genocide
B. natural selection
C. characteristic selection
D. natural evolution
Answer: | B | sciq |
What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond?
A. chloride
B. sulfate
C. sucrose
D. fructose
Answer: | C | sciq |
What is the spread of cancer cells beyond their original site called?
A. metastasis
B. apoptosis
C. mutations
D. scattering
Answer: | A | sciq |
What is another name for flatworms such as tapeworms and flukes?
A. platyhelminthes
B. epiphytes
C. polychaetes
D. trematodes
Answer: | A | sciq |
The lithosphere-asthensophere divisions are based on what?
A. elemental properties
B. mechanical properties
C. mechanical compounds
D. constant properties
Answer: | B | sciq |
The second shell holds a maximum of how many electrons?
A. 8
B. 12
C. 6
D. 9
Answer: | A | sciq |
Olfaction refers to which of the five senses?
A. smell
B. sight
C. touch
D. taste
Answer: | A | sciq |
What devices convert mechanical energy to electric energy?
A. mechanical generators
B. transformation generators
C. electric generators
D. kinetic generators
Answer: | C | sciq |
When oxygen is not bound to heme and the partial pressure of oxygen is low, hemoglobin readily binds to what?
A. sulfur
B. carbon dioxide
C. carbon
D. iron
Answer: | B | sciq |
What is group 16 of the periodic table referred to?
A. sulfur group
B. acid group
C. oxygen group
D. dioxide group
Answer: | C | sciq |
Restoring nitrogen to the soil is one reason for what agricultural practice?
A. crop rotation
B. plowing
C. irrigation
D. sowing
Answer: | A | sciq |
What is the term for evolution over geologic time above the level of the species?
A. speciation
B. mutation
C. macroevolution
D. microevolution
Answer: | C | sciq |
Is the heat of reaction positive or negative for an endothermic reaction?
A. positive
B. Neither
C. Both
D. Negative
Answer: | A | sciq |
The superior nasal concha and middle nasal concha are parts of which bone?
A. gastrulation bone
B. ethmoid bone
C. nasal bone
D. nostril bone
Answer: | B | sciq |
The energy a chemical reaction needs to get started is called what kind of energy?
A. conduction
B. function
C. fusion
D. activation
Answer: | D | sciq |
Crossing charges is one method for obtaining what?
A. notations
B. superscripts
C. hybrids
D. subscripts
Answer: | D | sciq |
What do scientists collect to test a hypothesis?
A. beilefs
B. arguements
C. books
D. evidence
Answer: | D | sciq |
Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever?
A. liver
B. brain
C. kidney
D. heart
Answer: | B | sciq |
Gases can undergo diffusion, or the opposite, which is what?
A. dissipation
B. effusion
C. defusion
D. infusion
Answer: | B | sciq |
What science is the study of the occurrence, distribution, and determinants of health and disease in a population?
A. histology
B. epidemiology
C. toxicology
D. physiology
Answer: | B | sciq |
Amphibian larvae go through what process to change into the adult form?
A. metamorphosis
B. parthenogenesis
C. merging
D. morphing
Answer: | A | sciq |
Reducing the production of what gas, or removing it from the air, are practices that could reduce global warming?
A. carbon dioxide
B. oxygen
C. hydrogen
D. helium
Answer: | A | sciq |
There are a series of rules for naming branched alkanes (and, ultimately, for all organic compounds). these rules make up the system of nomenclature for naming what?
A. organic molecules
B. typical molecules
C. oxygen molecules
D. non-organic molecules
Answer: | A | sciq |
Which theory helps predict future events in weather?
A. future weather theory
B. climate change theory
C. expected change theory
D. carbon change theory
Answer: | B | sciq |
What is defined as a group of living and nonliving things and their environment?
A. degradation
B. ecosystem
C. degradation
D. habitat
Answer: | B | sciq |
Cancer is caused by mutations, which can be caused by pathogens, chemicals, or what else?
A. evaporation
B. radiation
C. diseases
D. convection
Answer: | B | sciq |
What is the term for a mutually beneficial relationship in which one organism lives inside the other?
A. symbiosis
B. parasite
C. endosymbiosis
D. parthenogenesis
Answer: | C | sciq |
All new alleles are formed by what types of mutations?
A. ordinary
B. chaotic
C. systemic
D. random
Answer: | D | sciq |
What are seeds plants that produce naked seeds in cones called?
A. angiosperms
B. cytoplasm
C. gymnosperms
D. lipids
Answer: | C | sciq |
Water is the solvent in solutions called acids and?
A. bases
B. nutrients
C. proteins
D. alkalines
Answer: | A | sciq |
What two gases are the main components of air?
A. nitrogen and oxygen
B. hydrogen and helium
C. carbon and oxygen
D. oxygen and helium
Answer: | A | sciq |
Anaerobic prokaryotes can live without what compound in their environment (it's a compound that people do need to live)?
A. Hydrogen
B. oxygen
C. nitrogen
D. carbon
Answer: | B | sciq |
What part of earth do many animals use for navigation?
A. magnetic field
B. oceans
C. atmosphere
D. molten core
Answer: | A | sciq |
Endocytosis and exocytosis are types of vesicle transport that carry very large molecules across what structure?
A. dermis
B. cell substrate
C. the heart
D. cell membrane
Answer: | D | sciq |
What are biochemical compounds that living things use to store energy and make cell membranes?
A. proteins
B. carbohydrates
C. lipids
D. nucleic acid
Answer: | C | sciq |
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