question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by what?
Options:
A. yolk
B. hard shell
C. albumen
D. amniotic membranes | D |
Question: The cells of what basic plant structure lack chloroplasts?
Options:
A. leaf
B. ferns
C. stem
D. root | D |
Question: What muscle in the chest helps inflate and deflate the lungs?
Options:
A. heart
B. pectoral
C. diaphragm
D. cartilage | C |
Question: Where in the lungs does gas exchange between the air and blood takes place?
Options:
A. left lobe
B. bronchial tube
C. ganglion
D. alveoli | D |
Question: What are hollow cylinders and are the thickest of the cytoskeleton structures?
Options:
A. microtubules
B. vesicles
C. cytoplasm
D. nucleotides | A |
Question: What simple sugar is the cell's primary source of energy?
Options:
A. nicotine
B. carbon
C. glucose
D. chloride | C |
Question: What is the approximate population on the earth?
Options:
A. 7 billion
B. 7.3 billion
C. 9 trillion
D. 41 billion | A |
Question: A change in the sequence of bases in dna or rna is called a what?
Options:
A. isolation
B. mutation
C. infection
D. accumulation | B |
Question: What is the product of microfilament movement powered by chemical energy?
Options:
A. nerve stimulation
B. muscle fusion
C. blood circulation
D. muscle contraction | D |
Question: What is a measure of how much energy is needed to change the temperature of a substance?
Options:
A. thermal potential
B. momentum
C. specific gravity
D. specific heat | D |
Question: What is the common term for animals in the phylum porifera?
Options:
A. sharks
B. sponges
C. corals
D. crustaceans | B |
Question: What term is used to describe a change in the characteristics of living things over time?
Options:
A. evolution
B. customization
C. reproduction
D. generation | A |
Question: What can accept a wide range of carbohydrates for catabolism?
Options:
A. cellular respiration
B. enzymes
C. photosynthesis
D. glycolysis | D |
Question: What includes all living things within all their environments, including everywhere life exists, from the upper atmosphere, to the top of the soil, to ocean bottoms?
Options:
A. habitat
B. community
C. biome
D. biosphere | D |
Question: What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules?
Options:
A. carbon
B. potassium
C. hydrogen
D. oxygen | A |
Question: What kind of rock is gypsum?
Options:
A. sedimentary
B. basalt
C. igneous
D. metamorphic | A |
Question: What component of a prokaryote is unique in molecular composition and mechanism of propulsion?
Options:
A. the amoeba
B. the membrane
C. the flagella
D. the sporangia | C |
Question: The sum of the masses of the atoms in the formula is referred to as what?
Options:
A. molecular mass
B. atomic mass
C. magnetic mass
D. nucleus mass | A |
Question: What size of ring will a summer drought cause in a tree?
Options:
A. smaller
B. giant
C. medium
D. larger | A |
Question: What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature?
Options:
A. osmotic
B. Phototrophic
C. hydrostatic
D. endothermic | D |
Question: What is the transparent outer covering of the eye?
Options:
A. cornea
B. retina
C. pupil
D. iris | A |
Question: Photoreceptors in each ocellus receive light only through the opening where there are none of which cells?
Options:
A. pigmented
B. clear
C. secreted
D. opqaue | A |
Question: What helps form the walls of internal organs such as the heart and stomach?
Options:
A. tissues
B. valves
C. muscles
D. blood | C |
Question: How many valence electrons does helium have?
Options:
A. two
B. six
C. three
D. Five | A |
Question: What is continuously changing within a circuit in an analog signal?
Options:
A. amplitude
B. energy
C. frequency
D. voltage | D |
Question: What is made and stored primarily in the cells of the liver and muscles?
Options:
A. glucose
B. oxygen
C. glycogen
D. carbon dioxide | C |
Question: Electromagnetic waves vary in wavelength and in what property, which is lower in waves of longer wavelengths?
Options:
A. density
B. frequency
C. size
D. resonance | B |
Question: In the case of transverse waves, the movement of the medium is perpendicular to the direction of the what?
Options:
A. energy movement
B. friction movement
C. fuel movement
D. pressure movement | A |
Question: Inserting an extra plane of atoms into a crystal lattice produces what?
Options:
A. spot location
B. spot dislocation
C. edge location
D. edge dislocation | D |
Question: The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
Options:
A. thermal
B. erosion
C. elastic
D. evaporation | A |
Question: Electric current is measured in coulombs per second, also called what?
Options:
A. voltages
B. joules
C. amperes
D. watts | C |
Question: What is the name of the "point" that refers to the temperature at which water vapor condenses?
Options:
A. brine point
B. water point
C. dew point
D. melting point | C |
Question: Body plans do provide a succinct way to compare and contrast what?
Options:
A. distinctive animal features
B. missing animal features
C. degenerative animal features
D. key animal features | D |
Question: Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
Options:
A. cell ridges
B. cell walls
C. mitochondria
D. platelets | B |
Question: What type of oceans are hostile to algae and cytoplankton?
Options:
A. warmer
B. colder
C. shallower
D. deeper | A |
Question: Organelles whose membranes are specialized for aerobic respiration are called what?
Options:
A. mitosis
B. chloroplasts
C. mitochondria
D. vacuoles | C |
Question: The regions of a material where the north and south poles of atoms are aligned are called what?
Options:
A. magnetic rays
B. observed domains
C. cores
D. magnetic domains | D |
Question: What is another term for body chromosomes?
Options:
A. quasars
B. autosomes
C. subsets
D. Chromosomes | B |
Question: Unlike amphibians, reptiles do not have what stage?
Options:
A. reproductive
B. larval
C. egg
D. adult | B |
Question: What basic plant structure can add support and anchorage?
Options:
A. roots
B. stems
C. lower leaves
D. soils | A |
Question: Locus refers to the position of what on a chromosome, which controls the characteristics of an organism?
Options:
A. rna
B. gene
C. genome
D. gamete | B |
Question: Fish hatch into larvae that are different from the adult form of?
Options:
A. parasites
B. sex
C. species
D. color | C |
Question: What kind of islands provide natural protection to shorelines?
Options:
A. edge islands
B. barrier islands
C. patch islands
D. locational islands | B |
Question: Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
Options:
A. spreading seeds
B. protecting them
C. pollinating seeds
D. fertilizing them | A |
Question: What is determined by the amount of energy in molecules?
Options:
A. kingdom
B. radioactivity
C. momentum
D. state of matter | D |
Question: Biomass is the mass of biological what?
Options:
A. organisms
B. tissues
C. proteins
D. lipids | A |
Question: The primary nitrogenous waste material secreted by ureotelic animals is what substance?
Options:
A. urea
B. ammonia
C. nitrate
D. carbon | A |
Question: What system makes sure leaked blood returns back to the bloodstream?
Options:
A. symptomatic
B. lymphatic
C. cerebral
D. somatic | B |
Question: Enthalpy changes are measured by using what?
Options:
A. infraction
B. fluorescence
C. inversion
D. calorimetry | D |
Question: The cell walls of fungi are made of what?
Options:
A. chitin
B. mucous
C. cartilage
D. lectin | A |
Question: When blood engorged capillaries leak fluid into neighboring tissues, what occurs?
Options:
A. swelling
B. bleeding
C. infection
D. seeping | A |
Question: Will contour lines ever cross?
Options:
A. no
B. always
C. yes
D. in rare cases | A |
Question: Species of organisms that have permanently died out can also be called what?
Options:
A. extinct
B. succinct
C. inherited
D. occuring | A |
Question: Are the majority of archaea chemotrophs or photosynthetic?
Options:
A. chemotrophs
B. photosynthetics
C. autotrophs
D. neither | A |
Question: Oxygen is essentially just a waste product of the light reactions of what?
Options:
A. electrolysis
B. Fibrinolysis
C. photosynthesis
D. glycolysis | C |
Question: What is the process by which almost all plants make food?
Options:
A. photosynthesis
B. digestion
C. reactions
D. melting | A |
Question: Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called?
Options:
A. prothetic
B. cofactor
C. coenzymes
D. substrate | B |
Question: What stimulates the changes of pubery?
Options:
A. parenting
B. mutation
C. sex hormones
D. sex education | C |
Question: What are the male reproductive cells called?
Options:
A. sperm
B. ova
C. plasma
D. mucus | A |
Question: What is one function of the nervous system in humans?
Options:
A. producing hormones
B. controlling thought
C. controlling emotion
D. controlling muscles | D |
Question: What is the diversity of living things called?
Options:
A. ecosystem
B. degradation
C. life cycle
D. biodiversity | D |
Question: What kind of mammalian reproduction is risky for the offspring but not the mother?
Options:
A. sexual
B. cactaceae
C. asexual
D. monotreme | D |
Question: What do we call the force of attraction or repulsion between electrically charged particles?
Options:
A. electromagnetic force
B. gravitational pull
C. chemical force
D. mechanical force | A |
Question: Mendeleev organized what basic units into rows and columns?
Options:
A. elements
B. animals
C. solutions
D. compounds | A |
Question: What do you call compounds that have covalent bonds?
Options:
A. reflectivity compounds
B. ions
C. valence compound
D. covalent compounds | D |
Question: What is the term for magma that erupts onto earth's surface?
Options:
A. obsidian
B. debris
C. lava
D. steam | C |
Question: What changes nitrogen gas from the atmosphere to nitrogen compounds that plants can absorb?
Options:
A. pathogens
B. viruses
C. bacteria
D. tumors | C |
Question: In vertebrates, ovipary, ovovivipary, and vivipary are different strategies for what vital process?
Options:
A. respiration
B. absorption
C. reproduction
D. circulation | C |
Question: What waves do radio and television use?
Options:
A. radio waves
B. gamma waves
C. light waves
D. sound waves | A |
Question: Which factor causes a cannon ball to move horizontally and then fall on the ground?
Options:
A. cone motion
B. downward motion
C. projectile motion
D. fluid motion | C |
Question: What do electrons lose during their transfer from organic compounds to oxygen?
Options:
A. potential energy
B. actual energy
C. thermal energy
D. mechanical energy | A |
Question: What are plastids that contain other pigments?
Options:
A. cytoplasm
B. chloroplasts
C. chromoplasts
D. lucoplasts | C |
Question: Each species of legume is associated with a strain of __________
Options:
A. heliotropium
B. rhizobium
C. agrobacterium
D. fungi | B |
Question: Algae convert energy from the sun into food by means of what process?
Options:
A. compression
B. photosynthesis
C. luminosynthesis
D. glycolysis | B |
Question: Which process helps provide cleaner water for agriculture?
Options:
A. sterilization
B. process of desalinization
C. osmosis
D. purification | B |
Question: What element is an essential part of many molecules needed by living organisms?
Options:
A. helium
B. hydrogen
C. silicon
D. nitrogen | D |
Question: An atom is the smallest unit of what that maintains the identity of the latter?
Options:
A. element
B. mixture
C. organism
D. cell | A |
Question: When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
Options:
A. diluent
B. pigment
C. solvent
D. hydrogen | C |
Question: Liquefaction ccurs when the molecules of a gas are cooled to the point where they no longer possess sufficient kinetic energy to overcome what?
Options:
A. bonding attractive forces
B. intermolecular gravitational forces
C. intermolecular attractive forces
D. gravitational attractive forces | C |
Question: What is the term for the series of life stages and events that a sexually reproducing organism goes through?
Options:
A. life cycle
B. existence
C. society cycle
D. age | A |
Question: What is absorbed from food waste in the large intestine before it passes out of the body as feces?
Options:
A. excess water
B. inactive water
C. distilled water
D. dependent water | A |
Question: What do hydrocarbons consist of?
Options:
A. carbon and oxygen
B. carbon and hydrogen
C. carbon and water
D. carbon and helium | B |
Question: A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?
Options:
A. insects
B. reptiles
C. amphibians
D. mammals | D |
Question: Like a house, your body has what kind of mechanism that responds to changes in temperature?
Options:
A. mechanical thermostat
B. internal thermostat
C. external thermostat
D. sensitive thermostat | B |
Question: An isometric type of what occurs as the muscle produces tension without changing the angle of a skeletal joint?
Options:
A. extension
B. contraction
C. compression
D. acceleration | B |
Question: What are important coenzymes or precursors of coenzymes, and are required for enzymes to function properly?
Options:
A. Drugs
B. vitamins
C. carbohydrates
D. supplements | B |
Question: What have cell-surface antigen receptors for foreign molecules?
Options:
A. dendrites
B. capillaries
C. lymphocytes
D. erythrocytes | C |
Question: In birds, modified front legs are actually what?
Options:
A. claws
B. wings
C. tails
D. arms | B |
Question: The number of waves that pass a fixed point in a given amount of time is called what?
Options:
A. wavelength of a wave
B. spread of a wave
C. spectroscopy of a wave
D. frequency of a wave | D |
Question: How does litmus paper indicate the ph value of a solution?
Options:
A. by texture
B. by color
C. by smell
D. by shape | B |
Question: What is another term for movable joints?
Options:
A. sesamoidal
B. interstitial
C. fibrous
D. synovial | D |
Question: What device is a magnetic disc that provides long-term storage for programs and data?
Options:
A. software
B. cassette
C. floppy drive
D. hard drive | D |
Question: Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
Options:
A. momentum
B. inertia
C. velocity
D. frequency | A |
Question: What travels at the interface between the sea surface and the atmosphere?
Options:
A. ocean breeze
B. ocean waves
C. ocean tides
D. ocean currents | B |
Question: What is the only light that humans can see?
Options:
A. distinct light
B. dark light
C. visible light
D. bright light | C |
Question: What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
Options:
A. rna template
B. gene template
C. organelle template
D. organism template | A |
Question: Cellular respiration in humans involves the combustion of what simple sugar?
Options:
A. glucose
B. starch
C. insulin
D. glutamate | A |
Question: What still causes fatal lung disease in nonsmokers?
Options:
A. nicotine
B. alcohol
C. chewing tobacco
D. tobacco smoke | D |
Question: Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
Options:
A. kill prey
B. clean the nest
C. digest food
D. weaken enemies | C |
Question: For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?
Options:
A. root
B. flower
C. leaf
D. stem | B |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.