prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
A hydrostatic skeleton is a skeleton formed by a fluid-filled compartment within the body, called what?
A. clamon
B. endosperm
C. thallus
D. coelom
Answer: | D | sciq |
Sharks are an example of an animal with sharp vision that is nonetheless unable to distinguish what?
A. color
B. shapes
C. depth
D. contrast
Answer: | A | sciq |
What performance-enhancing drugs are synthetic versions of the male sex hormone, testosterone?
A. anabolic steroids
B. progesterone
C. catabolic steroids
D. estrogen
Answer: | A | sciq |
What bonds cause water to have a high boiling point, leaving most water on earth in a liquid state rather than in a gaseous state?
A. carbon bonds
B. helium bonds
C. potassium bonds
D. hydrogen bonds
Answer: | D | sciq |
Each root is made of dermal, ground, and what type of tissue?
A. organic
B. vascular
C. thermal
D. circulatory
Answer: | B | sciq |
What is the measure of the change in velocity of a moving object called?
A. force
B. inclination
C. stimulation
D. acceleration
Answer: | D | sciq |
What is the name for medical doctors that specialize in the diagnosis and treatment of diseases of the heart?
A. physicists
B. Doctors
C. cardiologists
D. surgeons
Answer: | C | sciq |
Any place at which two bones are joined is called a what?
A. modification
B. articulation
C. constriction
D. expression
Answer: | B | sciq |
In mammals, hair or fur help conserve bodily what?
A. food
B. energy
C. water
D. heat
Answer: | D | sciq |
Echinoderms are marine organisms that make up which phylum?
A. chordata
B. echinodermata
C. annelida
D. cnidaria
Answer: | B | sciq |
What kind of membrane do prokaryotic cells have?
A. plasma membrane
B. cellulose
C. cell wall
D. plasma wall
Answer: | A | sciq |
What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus?
A. a filament
B. t cell
C. a zygote
D. a cytoplasm
Answer: | C | sciq |
What makes a complete orbit around the earth once every 29 1/2 days?
A. Mars
B. the Sun
C. Gemini
D. the moon
Answer: | D | sciq |
What general property of an earthquake is used to describe its relative strength?
A. resonance
B. latitude
C. amplitude
D. magnitude
Answer: | D | sciq |
What is a three dimensional snycline?
A. a crust
B. a basin
C. a peak
D. a gorge
Answer: | B | sciq |
Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves?
A. lungs
B. bones
C. hearts
D. feet
Answer: | B | sciq |
The entire range of light that can be seen by the human eye without aid is known as what kind of light?
A. visible light
B. white light
C. colored light
D. infrared light
Answer: | A | sciq |
An endocrine disease usually involves the secretion of too much or not enough hormone by which gland?
A. Pancreas
B. Pituitary
C. Thyroid
D. endocrine
Answer: | D | sciq |
What are the four well-known states of matter?
A. solid , imine , gas , and plasma
B. solid, liquid, gas, and wave
C. solid, liquid, plasma, and metal
D. solid, liquid, gas, and plasma
Answer: | D | sciq |
What is the term for plants that produce flowers and fruit?
A. spores
B. gymnosperms
C. angiosperms
D. endosperms
Answer: | C | sciq |
Why did people stop adding lead to gasoline?
A. environmental pollution
B. explosions
C. bad smell
D. to expensive
Answer: | A | sciq |
Osseous tissue is the tissue that makes up what?
A. bone
B. liver
C. brain
D. muscle
Answer: | A | sciq |
What is the initial stage of scienetific investigations?
A. asking questions
B. making predictions
C. observation
D. forming hypothesis
Answer: | C | sciq |
The radiation exposure is determined by the number of what times the quality factor of the radiation?
A. units
B. rads
C. pounds
D. beacons
Answer: | B | sciq |
What is the smallest class of elements?
A. halogens
B. metalloids
C. noble gases
D. synthetics
Answer: | B | sciq |
What is friction that acts on objects that are moving through a fluid?
A. mass friction
B. fluid temperature
C. fluid friction
D. fluid catalyst
Answer: | C | sciq |
The sun’s gravity is relatively strong because the force of gravity between two objects is directly proportional to their what?
A. masses
B. rocks
C. Liquids
D. tissues
Answer: | A | sciq |
What do aquatic arthropods use to exchange gases with the water?
A. gills
B. lungs
C. pores
D. nostrils
Answer: | A | sciq |
How many groups of leaves does poison ivy typically have?
A. four
B. three
C. six
D. ten
Answer: | B | sciq |
This knocks electrons from atoms and turns them into ions?
A. radiation
B. evaporation
C. chemical reactions
D. convection
Answer: | A | sciq |
What do you call an incomplete outer shell of an atom?
A. nucleic shell
B. valence shell
C. helium shell
D. motile shell
Answer: | B | sciq |
What are the specialized cells of sponges called?
A. plant cells
B. t cells
C. helper cells
D. collar cells
Answer: | D | sciq |
What organ system is comprised of your heart, blood, and blood vessels all working together?
A. digestive system
B. nervous system
C. cardiovascular system
D. thoraxic system
Answer: | C | sciq |
What type of cells capture light energy, and use carbon dioxide as their carbon source?
A. blood cells
B. sporozoans
C. chloroplasts
D. photoautotrophs
Answer: | D | sciq |
When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together?
A. plasma
B. oxidation
C. clumping
D. coagulation
Answer: | D | sciq |
What does the urea cycle process?
A. oxygen
B. nitrogen
C. urine
D. calcium
Answer: | B | sciq |
When using a microscope we do not see the entire extent of the sample. depending on the eyepiece and objective lens we see a restricted region which we say is this?
A. focal point
B. field of view
C. peripheral view
D. tunnel vision
Answer: | B | sciq |
Sickle cell diseas is caused by what?
A. bronchiole allele
B. posterior allele
C. anterior allele
D. receccisve allele
Answer: | D | sciq |
What are the most successful organisms on earth?
A. trees
B. bacteria
C. humans
D. pests
Answer: | B | sciq |
The temperature of an object is a measure of what type of energy?
A. chemical
B. magnetic
C. thermal
D. density
Answer: | C | sciq |
The chromosomal theory of inheritance proposed that what reside on chromosomes?
A. rna
B. atoms
C. genes
D. molecules
Answer: | C | sciq |
What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge?
A. menstruation
B. fertilization
C. sedimentation
D. ovulation
Answer: | D | sciq |
What term refers to a change in species over time?
A. mutation
B. evolution
C. spontaneous change
D. generation
Answer: | B | sciq |
The nitrogen cycle moves nitrogen back and forth between the atmosphere and what?
A. organisms
B. Ozone Layer
C. Ocean
D. sediments
Answer: | A | sciq |
Eutrophication, or high levels of nutrients, can cause conditions that deprive fish of what vital gas?
A. oxygen
B. dioxide
C. hydrogen
D. nitrogen
Answer: | A | sciq |
What ancestors did caecillians evolve from?
A. ornithopod
B. arthropod
C. tetrapod
D. hominid
Answer: | C | sciq |
The surfaces of the bones at the joints are covered with a smooth layer of cartilage, which reduces what force between the bones when they move?
A. gravity
B. friction
C. expulsion
D. vibration
Answer: | B | sciq |
The infection-fighting complement system consists of roughly 30 proteins in?
A. stomach acid
B. fats
C. stool
D. blood plasma
Answer: | D | sciq |
In how many ways ca a living organism obtain chemical energy
A. four
B. two
C. seven
D. three
Answer: | B | sciq |
What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones?
A. adolescence
B. maturity
C. childhood
D. puberty
Answer: | D | sciq |
Elasticity is the ability of a material to return to its original shape after being stretched or?
A. Contained
B. correlated
C. compressed
D. combustion
Answer: | C | sciq |
Many parasites have complex life cycles involving multiple ?
A. features
B. viruses
C. diseases
D. hosts
Answer: | D | sciq |
What type of light is composed of many rays having random polarization directions?
A. reflected light
B. polarized light
C. diffracted light
D. unpolarized light
Answer: | D | sciq |
How do yeasts reproduce?
A. bisexual
B. asexually
C. homosexual
D. preferentially
Answer: | B | sciq |
In science, what can be described as a set of steps that help us to answer questions?
A. theory
B. scientific controls
C. hypothesis
D. scientific method
Answer: | D | sciq |
What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?
A. lipids
B. insulin
C. amino acids
D. glucose
Answer: | D | sciq |
A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what?
A. migrates the cell
B. elongates the cell
C. destroys the cell
D. manipulates the cell
Answer: | B | sciq |
Substances produced by a reaction are known as?
A. minerals
B. products
C. solutions
D. compounds
Answer: | B | sciq |
What happens to the core of a star when it begins to run low on hydrogen?
A. it contracts
B. it disappears
C. it explodes
D. it expands
Answer: | A | sciq |
What occurs when air masses meet?
A. earthquakes
B. fronts
C. tides
D. currents
Answer: | B | sciq |
What's the name for a cluster of genes, where one promoter serves adjacent genes?
A. proton
B. opteron
C. nucleus
D. plasma
Answer: | B | sciq |
The diversity of alleles and genotypes within a population is known as genetic what?
A. variance
B. group
C. variable
D. density
Answer: | A | sciq |
What does temperature measure?
A. average potential energy of molecules
B. highest potential energy of molecules
C. average kinetic energy of molecules
D. lowest kinetic energy of molecules
Answer: | C | sciq |
What is the term for when the water of the ocean slowly rises and falls?
A. tides
B. currents
C. dew
D. waves
Answer: | A | sciq |
Female monotremes lack a uterus and vagina. instead they have what?
A. urethra
B. placenta
C. endometrium
D. cloaca
Answer: | D | sciq |
Pigments are substances that absorb what?
A. visible light
B. synthetic light
C. artificial light
D. natural light
Answer: | A | sciq |
What class of oxygencontaining compounds is formed by the dehydration of alcohols?
A. sugars
B. nethers
C. ethers
D. reagents
Answer: | C | sciq |
Group 16 is called the oxygen group. what is the only metalloid in this group?
A. cadmium
B. gallium
C. beryllium
D. tellurium
Answer: | D | sciq |
In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits?
A. hybridization
B. mutations
C. assimilation
D. cross-breeding
Answer: | A | sciq |
What type of minerals form when salt water evaporates?
A. carbonate
B. halide
C. sulfide
D. fermite
Answer: | B | sciq |
What are identified by the azimuthal quantum number?
A. covalent bonds
B. sub-energy levels
C. radioactivity - energy levels
D. ionic-energy level
Answer: | B | sciq |
Desert plants have special stems and leaves to conserve what?
A. water
B. habitat
C. food
D. air
Answer: | A | sciq |
What substance causes oxidation by accepting electrons?
A. enzymes
B. thermal agent
C. solvents
D. oxidizing agent
Answer: | D | sciq |
Angiosperm success is a result of two novel structures that ensure reproductive success: flowers and this?
A. fruit
B. food
C. glass
D. ants
Answer: | A | sciq |
Squamata is the largest order of what broad animal group, and includes lizards and snakes?
A. mammals
B. reptiles
C. spiny fishes
D. amphibians
Answer: | B | sciq |
Animals that have been modified to express recombinant dna are called what?
A. reproducing animals
B. mammalian animals
C. aquatic animals
D. transgenic animals
Answer: | D | sciq |
In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes?
A. equilibrium
B. erosion
C. gas
D. elastic
Answer: | A | sciq |
When substances pass through the cell membrane without needing any energy what is it called?
A. active transport
B. energetic transport
C. kinetic transport
D. passive transport
Answer: | D | sciq |
Elements that do not need to conduct electricity are known as what?
A. silicates
B. nonmetals
C. carbonates
D. alloys
Answer: | B | sciq |
What does the moon not have to protect it from extreme temperatures?
A. metals
B. oceans
C. oxygen
D. atmosphere
Answer: | D | sciq |
What happens between particles with opposite charges?
A. they repel
B. they oppose
C. they become static
D. they attract
Answer: | D | sciq |
Which generation of a plant is generally larger and longer-lived?
A. dominant generation
B. effective generation
C. alpha generation
D. main generation
Answer: | A | sciq |
Mammals belong to which class of vertebrates?
A. endothermic
B. agnathas
C. placoderms
D. chondrichthyes
Answer: | A | sciq |
Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
A. nematodes
B. omnivores
C. insectivores
D. megavores
Answer: | B | sciq |
What organs produce eggs?
A. testes
B. ovaries
C. glands
D. kidneys
Answer: | B | sciq |
What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules?
A. heat reaction
B. hydration reaction
C. aerobic reaction
D. supplementation reaction
Answer: | B | sciq |
How much larger can the most powerful light microscropes make an image?
A. 10 times
B. 500 times
C. 100 times
D. 2000 times
Answer: | D | sciq |
In mammals, air is warmed and humidified in what?
A. nasal cavity
B. lungs
C. stomach
D. esophagus
Answer: | A | sciq |
What is the specialized tissue that transports water and nutrients throughout the plant and allows these plants to grow taller?
A. fiber tissue
B. dioxide tissue
C. vascular tissue
D. blood vessels
Answer: | C | sciq |
What is the term for the method of sending out ultrasound waves to determine the locations of objects?
A. morphology
B. catabolism
C. echolocation
D. magnetism
Answer: | C | sciq |
In autosomal dominant inheritance only one "affected" what is necessary to result in an "affected" phenotype?
A. cells
B. molecule
C. allele
D. trait
Answer: | C | sciq |
When the nucleus divides, the two chromatids that make up each chromosome separate from each other and move to opposite poles of the cell during this process?
A. cytokinesis
B. meiosis
C. mitosis
D. spawning
Answer: | C | sciq |
What is the layer above the troposphere?
A. stratosphere
B. mesosphere
C. thermosphere
D. troposphere
Answer: | A | sciq |
Which system consists of organs that break down food and absorb nutrients such as glucose?
A. circulatory system
B. digestive system
C. excretory system
D. urinary system
Answer: | B | sciq |
What part of the eye controls the size of the pupil?
A. iris
B. avis
C. lens
D. debis
Answer: | A | sciq |
Depending on a tumor’s location, for example, cancer surgeons may be unable to remove it. radiation and chemotherapy are difficult, and it is often impossible to target only the cancer cells. the treatments inevitably destroy this?
A. healthy cells
B. fertility
C. host cells
D. carcinogens
Answer: | A | sciq |
Sodium is an example of what sort of thing that cannot exist by itself in nature?
A. aspect
B. concept
C. element
D. compound
Answer: | C | sciq |
What type of resource is water power?
A. geothermal
B. nonrenewable
C. biological
D. renewable
Answer: | D | sciq |
Which part of the plant is responsible for seed production?
A. pistil
B. leaf
C. root
D. flower
Answer: | D | sciq |
The two main agents of soil erosion are water and what else?
A. glaciers
B. humidity
C. wind
D. steam
Answer: | C | sciq |
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