question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: Insects are arthropods in which class?
Options:
A. trichina
B. lexapoda
C. xerophyte
D. hexapoda | D |
Question: What is the tail bone an example of?
Options:
A. vestigial structure
B. parasitic structure
C. primordial structure
D. invertebrate structure | A |
Question: What is the intersection point of the critical temperature and the critical pressure called?
Options:
A. peak point
B. instance point
C. critical point
D. basic juncture | C |
Question: Nuclear power plants produce electricity through what?
Options:
A. induced fission
B. High Fission
C. severe fission
D. intense fission | A |
Question: When the body goes into survival mode, it's first priority is to produce enough of which substance for the brain?
Options:
A. insulin
B. glucose
C. blood
D. plasma | B |
Question: What do we consider the basic building blocks of life?
Options:
A. atoms
B. muscles
C. neurons
D. cells | D |
Question: Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface?
Options:
A. velocity
B. gravity
C. reflection
D. diffusion | C |
Question: What major pigment in the photosynthetic system is based on a complex molecule and gives plants their green color?
Options:
A. chlorophyll
B. chloroplasm
C. melanin
D. cadmium | A |
Question: If heat is released by the system into the surroundings, a chemical reaction or physical change is called what?
Options:
A. exothermic
B. static
C. endothermic
D. biochemical | A |
Question: A hydrostatic skeleton is a skeleton formed by a fluid-filled compartment within the body, called what?
Options:
A. endosperm
B. coelom
C. thallus
D. clamon | B |
Question: Sharks are an example of an animal with sharp vision that is nonetheless unable to distinguish what?
Options:
A. contrast
B. depth
C. shapes
D. color | D |
Question: What performance-enhancing drugs are synthetic versions of the male sex hormone, testosterone?
Options:
A. estrogen
B. catabolic steroids
C. anabolic steroids
D. progesterone | C |
Question: 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?
Options:
A. hydrogen bonds
B. carbon bonds
C. helium bonds
D. potassium bonds | A |
Question: Each root is made of dermal, ground, and what type of tissue?
Options:
A. vascular
B. circulatory
C. organic
D. thermal | A |
Question: What is the measure of the change in velocity of a moving object called?
Options:
A. stimulation
B. force
C. inclination
D. acceleration | D |
Question: What is the name for medical doctors that specialize in the diagnosis and treatment of diseases of the heart?
Options:
A. surgeons
B. cardiologists
C. Doctors
D. physicists | B |
Question: Any place at which two bones are joined is called a what?
Options:
A. expression
B. articulation
C. modification
D. constriction | B |
Question: In mammals, hair or fur help conserve bodily what?
Options:
A. energy
B. water
C. food
D. heat | D |
Question: Echinoderms are marine organisms that make up which phylum?
Options:
A. echinodermata
B. cnidaria
C. annelida
D. chordata | A |
Question: What kind of membrane do prokaryotic cells have?
Options:
A. cell wall
B. cellulose
C. plasma membrane
D. plasma wall | C |
Question: What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus?
Options:
A. a zygote
B. t cell
C. a cytoplasm
D. a filament | A |
Question: What makes a complete orbit around the earth once every 29 1/2 days?
Options:
A. Mars
B. the Sun
C. the moon
D. Gemini | C |
Question: What general property of an earthquake is used to describe its relative strength?
Options:
A. amplitude
B. resonance
C. latitude
D. magnitude | D |
Question: What is a three dimensional snycline?
Options:
A. a crust
B. a peak
C. a gorge
D. a basin | D |
Question: 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?
Options:
A. feet
B. hearts
C. lungs
D. bones | D |
Question: The entire range of light that can be seen by the human eye without aid is known as what kind of light?
Options:
A. colored light
B. white light
C. visible light
D. infrared light | C |
Question: An endocrine disease usually involves the secretion of too much or not enough hormone by which gland?
Options:
A. Thyroid
B. endocrine
C. Pancreas
D. Pituitary | B |
Question: What are the four well-known states of matter?
Options:
A. solid, liquid, gas, and wave
B. solid , imine , gas , and plasma
C. solid, liquid, plasma, and metal
D. solid, liquid, gas, and plasma | D |
Question: What is the term for plants that produce flowers and fruit?
Options:
A. angiosperms
B. spores
C. endosperms
D. gymnosperms | A |
Question: Why did people stop adding lead to gasoline?
Options:
A. explosions
B. bad smell
C. environmental pollution
D. to expensive | C |
Question: Osseous tissue is the tissue that makes up what?
Options:
A. brain
B. bone
C. muscle
D. liver | B |
Question: What is the initial stage of scienetific investigations?
Options:
A. observation
B. forming hypothesis
C. making predictions
D. asking questions | A |
Question: The radiation exposure is determined by the number of what times the quality factor of the radiation?
Options:
A. rads
B. units
C. beacons
D. pounds | A |
Question: What is the smallest class of elements?
Options:
A. halogens
B. synthetics
C. noble gases
D. metalloids | D |
Question: What is friction that acts on objects that are moving through a fluid?
Options:
A. fluid temperature
B. mass friction
C. fluid friction
D. fluid catalyst | C |
Question: The sun’s gravity is relatively strong because the force of gravity between two objects is directly proportional to their what?
Options:
A. Liquids
B. tissues
C. rocks
D. masses | D |
Question: What do aquatic arthropods use to exchange gases with the water?
Options:
A. nostrils
B. lungs
C. pores
D. gills | D |
Question: How many groups of leaves does poison ivy typically have?
Options:
A. ten
B. three
C. four
D. six | B |
Question: This knocks electrons from atoms and turns them into ions?
Options:
A. evaporation
B. chemical reactions
C. radiation
D. convection | C |
Question: What do you call an incomplete outer shell of an atom?
Options:
A. valence shell
B. motile shell
C. nucleic shell
D. helium shell | A |
Question: What are the specialized cells of sponges called?
Options:
A. t cells
B. helper cells
C. collar cells
D. plant cells | C |
Question: What organ system is comprised of your heart, blood, and blood vessels all working together?
Options:
A. cardiovascular system
B. nervous system
C. digestive system
D. thoraxic system | A |
Question: What type of cells capture light energy, and use carbon dioxide as their carbon source?
Options:
A. blood cells
B. photoautotrophs
C. chloroplasts
D. sporozoans | B |
Question: When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together?
Options:
A. coagulation
B. oxidation
C. clumping
D. plasma | A |
Question: What does the urea cycle process?
Options:
A. nitrogen
B. calcium
C. oxygen
D. urine | A |
Question: 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?
Options:
A. tunnel vision
B. focal point
C. field of view
D. peripheral view | C |
Question: Sickle cell diseas is caused by what?
Options:
A. anterior allele
B. receccisve allele
C. bronchiole allele
D. posterior allele | B |
Question: What are the most successful organisms on earth?
Options:
A. trees
B. humans
C. pests
D. bacteria | D |
Question: The temperature of an object is a measure of what type of energy?
Options:
A. thermal
B. chemical
C. density
D. magnetic | A |
Question: The chromosomal theory of inheritance proposed that what reside on chromosomes?
Options:
A. atoms
B. genes
C. rna
D. molecules | B |
Question: What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge?
Options:
A. fertilization
B. sedimentation
C. ovulation
D. menstruation | C |
Question: What term refers to a change in species over time?
Options:
A. evolution
B. spontaneous change
C. mutation
D. generation | A |
Question: The nitrogen cycle moves nitrogen back and forth between the atmosphere and what?
Options:
A. Ozone Layer
B. Ocean
C. sediments
D. organisms | D |
Question: Eutrophication, or high levels of nutrients, can cause conditions that deprive fish of what vital gas?
Options:
A. oxygen
B. dioxide
C. hydrogen
D. nitrogen | A |
Question: What ancestors did caecillians evolve from?
Options:
A. hominid
B. arthropod
C. ornithopod
D. tetrapod | D |
Question: 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?
Options:
A. gravity
B. friction
C. vibration
D. expulsion | B |
Question: The infection-fighting complement system consists of roughly 30 proteins in?
Options:
A. blood plasma
B. stomach acid
C. stool
D. fats | A |
Question: In how many ways ca a living organism obtain chemical energy
Options:
A. seven
B. two
C. four
D. three | B |
Question: What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones?
Options:
A. childhood
B. adolescence
C. maturity
D. puberty | D |
Question: Elasticity is the ability of a material to return to its original shape after being stretched or?
Options:
A. combustion
B. compressed
C. Contained
D. correlated | B |
Question: Many parasites have complex life cycles involving multiple ?
Options:
A. features
B. diseases
C. viruses
D. hosts | D |
Question: What type of light is composed of many rays having random polarization directions?
Options:
A. polarized light
B. diffracted light
C. reflected light
D. unpolarized light | D |
Question: How do yeasts reproduce?
Options:
A. preferentially
B. asexually
C. homosexual
D. bisexual | B |
Question: In science, what can be described as a set of steps that help us to answer questions?
Options:
A. scientific controls
B. hypothesis
C. theory
D. scientific method | D |
Question: What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?
Options:
A. lipids
B. amino acids
C. glucose
D. insulin | C |
Question: 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?
Options:
A. migrates the cell
B. destroys the cell
C. elongates the cell
D. manipulates the cell | C |
Question: Substances produced by a reaction are known as?
Options:
A. compounds
B. solutions
C. products
D. minerals | C |
Question: What happens to the core of a star when it begins to run low on hydrogen?
Options:
A. it contracts
B. it explodes
C. it disappears
D. it expands | A |
Question: What occurs when air masses meet?
Options:
A. currents
B. earthquakes
C. tides
D. fronts | D |
Question: What's the name for a cluster of genes, where one promoter serves adjacent genes?
Options:
A. proton
B. plasma
C. nucleus
D. opteron | D |
Question: The diversity of alleles and genotypes within a population is known as genetic what?
Options:
A. group
B. variance
C. variable
D. density | B |
Question: What does temperature measure?
Options:
A. highest potential energy of molecules
B. lowest kinetic energy of molecules
C. average kinetic energy of molecules
D. average potential energy of molecules | C |
Question: What is the term for when the water of the ocean slowly rises and falls?
Options:
A. tides
B. dew
C. waves
D. currents | A |
Question: Female monotremes lack a uterus and vagina. instead they have what?
Options:
A. endometrium
B. cloaca
C. urethra
D. placenta | B |
Question: Pigments are substances that absorb what?
Options:
A. visible light
B. artificial light
C. natural light
D. synthetic light | A |
Question: What class of oxygencontaining compounds is formed by the dehydration of alcohols?
Options:
A. nethers
B. ethers
C. reagents
D. sugars | B |
Question: Group 16 is called the oxygen group. what is the only metalloid in this group?
Options:
A. gallium
B. tellurium
C. cadmium
D. beryllium | B |
Question: In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits?
Options:
A. mutations
B. assimilation
C. hybridization
D. cross-breeding | C |
Question: What type of minerals form when salt water evaporates?
Options:
A. fermite
B. carbonate
C. halide
D. sulfide | C |
Question: What are identified by the azimuthal quantum number?
Options:
A. ionic-energy level
B. radioactivity - energy levels
C. sub-energy levels
D. covalent bonds | C |
Question: Desert plants have special stems and leaves to conserve what?
Options:
A. food
B. habitat
C. water
D. air | C |
Question: What substance causes oxidation by accepting electrons?
Options:
A. solvents
B. enzymes
C. oxidizing agent
D. thermal agent | C |
Question: Angiosperm success is a result of two novel structures that ensure reproductive success: flowers and this?
Options:
A. food
B. ants
C. glass
D. fruit | D |
Question: Squamata is the largest order of what broad animal group, and includes lizards and snakes?
Options:
A. spiny fishes
B. amphibians
C. reptiles
D. mammals | C |
Question: Animals that have been modified to express recombinant dna are called what?
Options:
A. mammalian animals
B. aquatic animals
C. reproducing animals
D. transgenic animals | D |
Question: In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes?
Options:
A. erosion
B. equilibrium
C. gas
D. elastic | B |
Question: When substances pass through the cell membrane without needing any energy what is it called?
Options:
A. energetic transport
B. kinetic transport
C. active transport
D. passive transport | D |
Question: Elements that do not need to conduct electricity are known as what?
Options:
A. carbonates
B. silicates
C. nonmetals
D. alloys | C |
Question: What does the moon not have to protect it from extreme temperatures?
Options:
A. oceans
B. metals
C. oxygen
D. atmosphere | D |
Question: What happens between particles with opposite charges?
Options:
A. they attract
B. they become static
C. they repel
D. they oppose | A |
Question: Which generation of a plant is generally larger and longer-lived?
Options:
A. alpha generation
B. main generation
C. dominant generation
D. effective generation | C |
Question: Mammals belong to which class of vertebrates?
Options:
A. agnathas
B. endothermic
C. placoderms
D. chondrichthyes | B |
Question: Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
Options:
A. omnivores
B. insectivores
C. megavores
D. nematodes | A |
Question: What organs produce eggs?
Options:
A. ovaries
B. testes
C. kidneys
D. glands | A |
Question: What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules?
Options:
A. heat reaction
B. aerobic reaction
C. supplementation reaction
D. hydration reaction | D |
Question: How much larger can the most powerful light microscropes make an image?
Options:
A. 10 times
B. 100 times
C. 2000 times
D. 500 times | C |
Question: In mammals, air is warmed and humidified in what?
Options:
A. lungs
B. nasal cavity
C. stomach
D. esophagus | B |
Question: What is the specialized tissue that transports water and nutrients throughout the plant and allows these plants to grow taller?
Options:
A. fiber tissue
B. vascular tissue
C. dioxide tissue
D. blood vessels | B |
Question: What is the term for the method of sending out ultrasound waves to determine the locations of objects?
Options:
A. magnetism
B. morphology
C. catabolism
D. echolocation | D |
Question: In autosomal dominant inheritance only one "affected" what is necessary to result in an "affected" phenotype?
Options:
A. cells
B. trait
C. allele
D. molecule | C |
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