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null | Question: Ac is better than dc for doing what?
Options:
A. transporting electrcal energy
B. stopping electrical ebergy
C. storing electrical energy
D. cooking electrcal energy
Answer: | A |
null | Question: What is the name of the small bumps that contain taste buds and covers the tongue?
Options:
A. papillae
B. palatine tonsils
C. cuticle
D. lingual tonsils
Answer: | A |
null | Question: Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered what type of transport?
Options:
A. neutral
B. active
C. adaptive
D. passive
Answer: | D |
null | Question: How many chromosomes do bacterial dna have?
Options:
A. one triangular chromosome
B. one simple chromosome
C. one circular chromosome
D. one rectangular chromosome
Answer: | C |
null | Question: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds?
Options:
A. microscopic compounds
B. organic compounds
C. reactive compounds
D. natural compounds
Answer: | B |
null | Question: What is the approximate population on the earth?
Options:
A. 7.3 billion
B. 7 billion
C. 41 billion
D. 9 trillion
Answer: | B |
null | Question: What is the measure of the force of gravity pulling down on an object called?
Options:
A. weight
B. factor
C. mass
D. volume
Answer: | A |
null | Question: What do osteoclasts do to bone?
Options:
A. build it up
B. strengthen it
C. break it down
D. lengthen it
Answer: | C |
null | Question: What is the term for the transfer of heat by a current?
Options:
A. conduction
B. radiation
C. convection
D. diffusion
Answer: | C |
null | Question: What is the process called when secretory cells export products?
Options:
A. endocytosis
B. exocytosis
C. morphogenesis
D. isolation
Answer: | B |
null | Question: Telescopes use which kind of lenses to enlarge images?
Options:
A. concave
B. spherical
C. convex
D. crystalline
Answer: | C |
null | Question: What are oil in folded layers of rock called?
Options:
A. anticlines
B. macroparticle
C. dendrites
D. oscillations
Answer: | A |
null | Question: The primary application of biotechnology is in what field?
Options:
A. physics
B. medicine
C. chemistry
D. psychology
Answer: | B |
null | Question: What term, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute?
Options:
A. blood output
B. liver output
C. respiratory output
D. cardiac output
Answer: | D |
null | Question: In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this?
Options:
A. ear drum
B. head drum
C. microphone drum
D. speaker drum
Answer: | A |
null | Question: Ions are charged what?
Options:
A. atoms
B. protons
C. molecules
D. isotopes
Answer: | A |
null | Question: Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what?
Options:
A. viscosity
B. solubility
C. salinity
D. insolubility
Answer: | B |
null | Question: Water seeps into the ground through permeable material and stops when it reaches what?
Options:
A. impermeable rock
B. Bed Rock
C. Lava
D. Coral
Answer: | A |
null | Question: What do you call something that controls the uptake of water or another substance in the environment, in order to maintain constant internal conditions?
Options:
A. protozoans
B. sporozoans
C. osmoregulators
D. osmoconformers
Answer: | C |
null | Question: What is considered to be the control center for homeostatic mechanisms?
Options:
A. adrenal cortex
B. hypothalamus
C. hippocampus
D. thyroid
Answer: | B |
null | Question: Tropical rainforests are an example of a climate that occurs near what?
Options:
A. equator
B. tundras
C. deserts
D. poles
Answer: | A |
null | Question: What type of lenses can correct myopia?
Options:
A. polarized lenses
B. concave lenses
C. convex lenses
D. diffusion lenses
Answer: | B |
null | Question: Leaving tampons in for too long can put you at risk of what syndrome?
Options:
A. toxic shock
B. Vaginismis
C. Scalded Skin Syndrome
D. Endometrial Cancer
Answer: | A |
null | Question: What is produced by the reaction of metal oxide with water?
Options:
A. hydrogen gas
B. heat energy
C. soluble metal hydroxides
D. rust
Answer: | C |
null | Question: If a sperm fertilizes an egg of a seed plant, the zygote grows into what?
Options:
A. homostatic embyro
B. progeny embryo
C. pulsation embryo
D. sporophyte embryo
Answer: | D |
null | Question: What are the areas between cells that either allow or prevent the movement of materials called?
Options:
A. receptors
B. corners
C. junctions
D. sections
Answer: | C |
null | Question: Tropical rainforest, temperate grassland, and tundra are examples of what type of biomes?
Options:
A. atmospheric
B. terrestrial
C. oceanic
D. horizontal
Answer: | B |
null | Question: The chemical and/or physical agents that cause mutations are called what?
Options:
A. mutagens
B. organelles
C. genes
D. dioxins
Answer: | A |
null | Question: Crystallization separates mixtures based on differences in what, which usually increases with temperature?
Options:
A. solubility
B. viscosity
C. humidity
D. density
Answer: | A |
null | Question: What rises through solid rocks where conditions are right?
Options:
A. magma
B. nitrogen
C. water
D. crystals
Answer: | A |
null | Question: What kind of weather change do la nina years usually bring?
Options:
A. Mass amounts of snow
B. drought
C. heat
D. moisture
Answer: | B |
null | Question: What type of disease is caused by pathogens?
Options:
A. autoimmune diseases
B. infectious diseases
C. viral diseases
D. nervous diseases
Answer: | B |
null | Question: What can be calculated given the mass and speed of an object?
Options:
A. kinetic energy
B. harmonic energy
C. systematic energy
D. residual energy
Answer: | A |
null | Question: If force is applied further away from a pivot point, than what kind of acceleration will be greater?
Options:
A. parameters
B. angular
C. rectangular
D. circular
Answer: | B |
null | Question: What is the motion that moves the forearm from the supinated position to the pronated position?
Options:
A. pronation
B. flexion
C. extension
D. supination
Answer: | A |
null | Question: Chlorophylls and carotenoids are the two major classes of pigments associated with what process and found in plants and algae?
Options:
A. mitosis
B. glycolysis
C. photosynthesis
D. osmosis
Answer: | C |
null | Question: All of the populations that live in the same area make up what type of group, which includes populations of different organisms?
Options:
A. hive
B. environment
C. colony
D. community
Answer: | D |
null | Question: What travels at the interface between the sea surface and the atmosphere?
Options:
A. ocean tides
B. ocean currents
C. ocean breeze
D. ocean waves
Answer: | D |
null | Question: What is needed to provide cells with the oxygen they need for cellular respiration?
Options:
A. vascular tissue
B. passive transport
C. gas exchange
D. photosynthesis
Answer: | C |
null | Question: When does most amphibians' parenting end?
Options:
A. once eggs have been laid
B. once offspring reach adulthood
C. after adolescence
D. never
Answer: | A |
null | Question: Water seeping into the ground is known as?
Options:
A. invasion
B. infiltration
C. accumulation
D. precipitation
Answer: | B |
null | Question: The state of matter - solid, liquid, or gas - is also considered what type of property?
Options:
A. physical
B. mechanical
C. thermal
D. chemical
Answer: | A |
null | Question: Inducible enzymes usually function in what type of pathways?
Options:
A. catabolic
B. enzymatic
C. anabolic
D. biogenic
Answer: | A |
null | Question: What type of experiment involves two identical experiments carried out side-by-side, with and without an independent variable?
Options:
A. controlled experiment
B. blind test
C. defined experiment
D. trial run
Answer: | A |
null | Question: What is the number of protons in the nucleus?
Options:
A. atomic mass
B. metallic number
C. atomic number
D. element
Answer: | C |
null | Question: What chemical signals in plants control different processes?
Options:
A. produce hormones
B. plant hormones
C. Human Hormones
D. nitrogen hormones
Answer: | B |
null | Question: What type of logic can lead to important conclusions from the collecting and analyzing of observations?
Options:
A. inductive reasoning
B. gravitational reasoning
C. primitive reasoning
D. conductive reasoning
Answer: | A |
null | Question: Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin?
Options:
A. natural change
B. spontaneous variation
C. organic selection
D. natural selection
Answer: | D |
null | Question: Red blood cells, white blood cells and what other cell is found in blood?
Options:
A. plasma cells
B. hemoglobin
C. antibodies
D. platelets
Answer: | D |
null | Question: Which water from the equator mixes with cold water from the poles?
Options:
A. warm
B. spring water
C. hot
D. ice water
Answer: | A |
null | Question: Monosaccharides, particularly glucose, are major nutrients for what?
Options:
A. photosynthesis
B. cells
C. lipids
D. proteins
Answer: | B |
null | Question: Another name for table salt is?
Options:
A. hydrogen chloride
B. sodium chloride
C. carbon chloride
D. dioxide chloride
Answer: | B |
null | Question: Phospholipids and some proteins move laterally within what?
Options:
A. nuclei
B. membrane
C. particles
D. liquids
Answer: | B |
null | Question: What are the specialized building blocks of your body?
Options:
A. muscles
B. proteins
C. tissues
D. cells
Answer: | D |
null | Question: How many variables are used to describe the condition of a gas?
Options:
A. three
B. five
C. four
D. one
Answer: | C |
null | Question: How do seed plants benefit from herbivores?
Options:
A. rainfall of seeds
B. consumption of seeds
C. radiation of seeds
D. dispersal of seeds
Answer: | D |
null | Question: Sodium is an example of what sort of thing that cannot exist by itself in nature?
Options:
A. element
B. compound
C. aspect
D. concept
Answer: | A |
null | Question: The nitrogen cycle includes air, soil, and what?
Options:
A. heat
B. living things
C. water
D. decomposers
Answer: | B |
null | Question: What term describes the splitting of the nucleus of an atom into two smaller nuclei?
Options:
A. atomic reaction
B. nuclean fusion
C. critical fission
D. nuclear fission
Answer: | D |
null | Question: Which infection of multicellular eukaryotes is usually limited to particular tissues?
Options:
A. bacterial
B. digestive
C. viral
D. parasites
Answer: | C |
null | Question: What is the average number of individuals per unit of area or volume called?
Options:
A. population count
B. crowdedness
C. population structure
D. population density
Answer: | D |
null | Question: What helps frogs swim during the tadpole phase?
Options:
A. fins
B. cilia
C. a tail
D. flagella
Answer: | C |
null | Question: When water is heated by magma and makes it's way to the surface what is created?
Options:
A. trough
B. geyser
C. volcanic
D. eruption
Answer: | B |
null | Question: The earth is tilted on its what?
Options:
A. axis
B. radius
C. top
D. compass
Answer: | A |
null | Question: What kind of molecule is made from one or more long chains of amino acids?
Options:
A. amino molecule
B. protein molecule
C. chain molecule
D. membrane molecule
Answer: | B |
null | Question: Because arthropod appendages are jointed, they can do what?
Options:
A. rotate
B. eat
C. bend
D. fly
Answer: | C |
null | Question: What is the skin of most reptiles covered with?
Options:
A. pores
B. hairs
C. scales
D. cuticle
Answer: | C |
null | Question: What occurs during the new moon and full moon, due to gravitational pull?
Options:
A. spring storms
B. spring tides
C. spring waves
D. spring floods
Answer: | B |
null | Question: In what type of population do allele and genotype frequencies not change over time?
Options:
A. inequilibrium population
B. saturation population
C. shape population
D. equilibrium population
Answer: | D |
null | Question: Different types of interference include destructive and what else?
Options:
A. constructive
B. helpful
C. active
D. consistent
Answer: | A |
null | Question: What is the height above or below sea level called?
Options:
A. elevation
B. variation
C. depth
D. latitude
Answer: | A |
null | Question: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system?
Options:
A. meteorites
B. comets
C. galaxies
D. stars
Answer: | A |
null | Question: The vagina connects to which internal organ?
Options:
A. valves
B. artery
C. ovaries
D. uterus
Answer: | D |
null | Question: What kind of organism causes the often fatal lung disease tuberculosis?
Options:
A. bacteria
B. pathogens
C. algae
D. virus
Answer: | A |
null | Question: What is the dominant form of plant life in most terrestrial ecosystems, comprising about 90 percent of all plant species?
Options:
A. bryophytes
B. angiosperms
C. pteridophytes
D. gymnosperms
Answer: | B |
null | Question: The pulmonary artery carries deoxygenated blood into the lungs from this?
Options:
A. brain
B. heart
C. legs
D. bladder
Answer: | B |
null | Question: What are the 2 primary hosts of ebola in central africa?
Options:
A. apes and bats
B. apes and hippos
C. lions and elephants
D. hyenas and apes
Answer: | A |
null | Question: Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?
Options:
A. smoke and ash
B. carbon and smog
C. magma
D. greenhouse gases
Answer: | A |
null | Question: The rate of evolution is influenced by the rate of changes to what?
Options:
A. dna
B. the earth
C. migration
D. the environment
Answer: | D |
null | Question: In what do a roundworm's eggs pass from host to the environment?
Options:
A. mouth
B. feces
C. arms
D. skin
Answer: | B |
null | Question: What are the proteins called that speed up biochemical reactions in cells?
Options:
A. enzymes
B. carbohydrates
C. hormones
D. peptides
Answer: | A |
null | Question: What is the opening in the front of the eye called?
Options:
A. lens
B. cornea
C. pupil
D. iris
Answer: | C |
null | Question: What do tube worms rely on for food?
Options:
A. sponges microorganisms
B. chemosynthetic microorganisms
C. lentiviruses microorganisms
D. fatty microorganisms
Answer: | B |
null | Question: What occurs when the immune system reacts to substances in food as though they were harmful “foreign invaders"?
Options:
A. food allergies
B. vomiting
C. food antibodies
D. food poisoning
Answer: | A |
null | Question: What type of waves are the slowest of all seismic waves?
Options:
A. thick waves
B. core waves
C. central waves
D. surface waves
Answer: | D |
null | Question: What occurs in a population when its allele frequencies change over time?
Options:
A. evolution
B. generation
C. variation
D. extinction
Answer: | A |
null | Question: Where do two tributaries come together at?
Options:
A. confluence
B. stream
C. snake
D. axis
Answer: | A |
null | Question: If a substance does not release molecules into the air from its surface, it will not have what?
Options:
A. smell
B. temperature
C. color
D. taste
Answer: | A |
null | Question: What science is the study of the shape and arrangement of cells in tissue?
Options:
A. histology
B. genetics
C. methodology
D. cellology
Answer: | A |
null | Question: Nonvascular plants lack vascular tissue and what?
Options:
A. cytoplasm
B. seeds
C. cells
D. chlorophyll
Answer: | B |
null | Question: Both fluorine and lithium are highly reactive elements because of their number of what?
Options:
A. valence electrons
B. covalence electrons
C. shell electrons
D. positrons
Answer: | A |
null | Question: What is the name of a joint in which one bone rotates in relation to another bone?
Options:
A. ball and socket
B. hinge
C. gliding
D. pivot joint
Answer: | D |
null | Question: What are the two terms that designate how well aqueous solutions conduct electricity?
Options:
A. filter and nonpolar
B. polar and nonpolar
C. secular and nonpolar
D. hot and nonpolar
Answer: | B |
null | Question: The prostate gland secretes a fluid that mixes with sperm to help form what?
Options:
A. urine
B. semen
C. testosterone
D. hormone
Answer: | B |
null | Question: What makes blue cheese blue?
Options:
A. rot
B. rennit
C. fungus
D. mites
Answer: | C |
null | Question: Why does a metal spoon heat up quickly when placed in a hot drink?
Options:
A. insulation
B. high specific heat
C. low specific heat
D. convection
Answer: | C |
null | Question: They had demonstrated that particles smaller than bacteria cause what?
Options:
A. flight
B. disease
C. blood
D. damage
Answer: | B |
null | Question: In what part of the carbon cycle does carbon move between living things and the air?
Options:
A. endothermic cycle
B. abdaspac cycle
C. envelop cycle
D. biotic cycle
Answer: | D |
null | Question: What is the process in which one cell divides to form two new cells called?
Options:
A. Cell Formation
B. cell direction
C. cell contribution
D. cell division
Answer: | D |
null | Question: Which is the best way to maintain a strong, fit body?
Options:
A. bodybuilding
B. regular exercising
C. a healthy diet
D. being a vegetarian
Answer: | C |
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