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ellendagher
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MNLP_M3_mcqa_dataset_no_source

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What are the three types of mixtures? A. absorbing , suspensions , colloids B. cosmic , suspensions , colloids C. solutions, suspensions, colloids D. Powders, Gels, Smooth Answer:
C
Double strands of what wrap around histone proteins to form nucleosomes, which are coiled into a chromatin fiber? A. ribosomes B. chromatids C. bacteria D. dna Answer:
D
What is the process when animals maintain an internal temperature? A. osmoregulation B. thermoregulation C. bioaccumulation D. homeostasis Answer:
B
Both androgen secretion and spermatogenesis occur continuously starting with what? A. mutation B. puberty C. walking D. birth Answer:
B
Where does the process of digestion start? A. mouth B. small intestine C. stomach D. esophagus Answer:
A
As distance from the source increases, the area covered by the sound waves increases, lessening what? A. density B. duration C. intensity D. velocity Answer:
C
Mountain ranges, plateaus, and plains are features of what large landforms? A. planets B. continents C. Countries D. States Answer:
B
How many pathogens can each droplet contain? A. thousands B. hundreds C. billions D. tens Answer:
A
The ability to change color, separately mobile and stereoscopic eyes, and rapidly extrudable tongues are distinguishing features of what lizards? A. snakes B. geckos C. chameleons D. crocodiles Answer:
C
What is the other name of newton’s first law? A. mass and matter B. law of matter C. law of inertia D. law of momentum Answer:
C
The velocity at the beginning of the time interval is called what? A. previous velocity B. initial velocity C. internal velocity D. growing velocity Answer:
B
In which sphere of the atmosphere do the northern and southern lights occur? A. ionosphere B. thermosphere C. lithosphere D. stratosphere Answer:
B
What carbohydrate from fruit juices is a gel-forming substance important in jelly making? A. gelatin B. cellulose C. pectin D. potassium Answer:
C
Warm water from the equator mixes with cold water from where? A. the poles B. the continents C. the tropics D. the oceans Answer:
A
A single amino acid substitution in hemoglobin leads to what disease? A. AIDS B. sickle cell anemia C. down's syndrome D. crohn's disease Answer:
B
Why does the heating element of a toaster get hot so quickly? A. good insulator B. good conductor C. charged battery D. magnetic force Answer:
B
What is the industrial chemical produced in greatest quantity worldwide? A. liquid acid B. sulfuric acid C. boric acid D. gaseous acid Answer:
B
What term is used to describe a protein that acts as a biological catalyst? A. protein B. enzyme C. nucleus D. heterozygote Answer:
B
What is the transfer of energy by waves called? A. convection B. evaporation C. radiation D. vibration Answer:
C
What are the the individual protein subunits making up the capsid called? A. axons B. capsomeres C. telomeres D. pores Answer:
B
The eukaryotic cell cycle is regulated by a what? A. molecular control system B. protons control system C. nucleus control system D. anti-lock control system Answer:
A
How many identical daughter cells are created at the end of cytokinesis? A. four B. one C. two D. three Answer:
C
Which disease does the bacteria salmonella cause in humans? A. blood poisoning B. skin poisoning C. water poisioning D. food poisoning Answer:
D
What term describes the application of knowledge to real-world problems and is practiced by engineers? A. invention B. science C. mechanisms D. technology Answer:
D
What surrounds the lungs in a thoracic cavity? A. single membrane B. water C. double membrane D. calcium Answer:
C
When lactose is absent, a repressor protein binds to what? A. worker B. network C. operator D. differential Answer:
C
The four moons of jupiter are collectively named after what 17th century astronomer, who discovered them? A. darwin B. galileo C. Linnaeus D. copernicus Answer:
B
What is the term for the distance between two corresponding points on adjacent waves? A. bandwidth B. variation C. arc wave D. wavelength Answer:
D
Which instruments are used to measure the angle of the slope of a volcano? A. calipers B. tiltmeters C. compass D. altimeter Answer:
B
What is the term for matter that does not let any light pass through? A. reflective B. dark C. opaque D. mirrored Answer:
C
Gain or loss of what causes an atom to become a negatively or positively charged ion? A. electrons B. neutrons C. nucleus D. protons Answer:
A
The electrochemical potential across a membrane determines the tendency of an ion to do what? A. attach to the membrane B. destroy the membrane C. move away from the membrane D. cross the membrane Answer:
D
Nucleic acids are polymers made of monomers called what? A. peptides B. loops C. carotenoids D. nucleotides Answer:
D
Antibodies also mark pathogens for destruction by which cells? A. platelets B. phagocytic C. interferons D. leukocytes Answer:
B
What are small organelles and are the site of protein synthesis called. A. chloroplasts B. chromosomes C. ribosomes D. chromosomes Answer:
C
What term is defined as the ability to locate objects in the dark by bouncing sound waves off them. A. thermodynamics B. morphology C. night vision D. echolocation Answer:
D
Ringworm and athlete’s foot are common human diseases caused by types of what? A. acids B. viruses C. multicellular bacteria D. fungi Answer:
D
Vertical layering is an important feature of the terrestrial type of what kind of community? A. biome B. ecosystem C. habitat D. environment Answer:
A
What do many cells depend on glucose for? A. osmosis B. food C. heating D. energy Answer:
D
When continental crust is pulled apart, it breaks into blocks that are separated by what? A. levels B. holes C. faults D. layers Answer:
C
What body part boasts three articulations and includes the patella? A. knee B. hip C. elbow D. ankle Answer:
A
The physical properties of gases are predictable using mathematical formulas known as what? A. gas laws B. state laws C. vapor laws D. air laws Answer:
A
What is the disease where some alveoli of the lungs fill with fluid? A. leukemia B. lyme disease C. pneumonia D. lung cancer Answer:
C
The primary function of leaves is to collect sunlight and make food by what process? A. duplicate process B. nuclear fission C. photosynthesis D. osmosis Answer:
C
In which type of reaction are compounds formed? A. chemical reaction B. gaseous reaction C. acid reaction D. balanced reaction Answer:
A
For feeding, the head contains one pair of mandibles and two pairs of what? A. tracheae B. chelicerae C. antennae D. maxillae Answer:
D
What term given to animals like reptiles is a synonym for ectothermic, which means that their heat comes from their environment? A. thermal regulating B. cold-blooded C. warm-blooded D. hot-blooded Answer:
B
What forms in the ocean from the seafloor spreading? A. new oceanic crust B. earthquakes C. tsunamis D. underwater volcanoes Answer:
A
What does ozone in the stratosphere protect us from? A. comets B. acid rain C. solar rays D. solar traces Answer:
C
What is the basic unit of matter? A. nucleus B. atom C. dark material D. neutron Answer:
B
What is the name of the protein that is found in hairs and nails? A. cellulose B. chromatin C. keratin D. Skin Answer:
C
When fuel is burned most of the energy is released as what? A. precipitation B. heat C. humidity D. condensation Answer:
B
A change in one or more physical properties of matter without any change in chemical properties is called what? A. atmospheric change B. negative change C. physical change D. positive change Answer:
C
Particles with what type of electric charges attract each other? A. opposite B. similar C. simple D. same Answer:
A
Avoiding carcinogens helps lower the risk of what? A. cancer B. radiation C. sunburn D. colds and flu Answer:
A
What is the mechanism that accounts for the drifting of continents? A. earth spreading B. ridges spreading C. seafloor spreading D. volcanic spreading Answer:
C
In a dehydration reaction, what is removed as two monomers are joined together? A. water B. nitrogen C. air D. carbon Answer:
A
What is the smallest unit of structure and function of all living organisms? A. chromosome B. organelle C. organ D. the cell Answer:
D
The dual character is critical for the formation of the what? A. muscle bilayer B. lipid bilayer C. tissues bilayer D. carbon bilayer Answer:
B
In humans, a zygote has how many chromosomes? A. 42 B. 36 C. 23 D. 46 Answer:
D
The elements are arranged in rows, each representing the filling of what shell? A. electron B. neutron C. plasma membrane D. proton Answer:
A
The water cycle is powered by energy from where? A. sun B. living things C. earth D. atmosphere Answer:
A
When lactose is present in the cell, what allows the lac genes to be expressed? A. the addition of water B. concentration of repressor protein C. nonbinding of repressor protein D. binding of expressor protein Answer:
C
What class of animals, translated as “head foot”, includes octopuses, squids, cuttlefish, and nautilus? A. crustaceans B. mollusks C. cephalopods D. bivalves Answer:
C
What can be calculated by solving the average speed formula? A. distance or mass B. mass or time C. accelaration D. distance or time Answer:
D
Transverse divisions are associated with leaf elongation, and longitudinal divisions are associated with what? A. leaf multiplying B. leaf broadening C. leaf coloring D. leaf shedding Answer:
B
Of the four nerve plexuses, two are found at the cervical level, one at the lumbar level, and one at which level ? A. cranial B. vascular C. peripheral D. sacral Answer:
D
When does sublimation occur? A. when the ice and snow change directly into water vapors B. when the snow melts the ice caps C. when the wind changes direction D. when the ice and sand change directly into water vapors Answer:
A
What organism is responsible for most decomposition in forest? A. yeast B. fungi C. bacteria D. coral Answer:
B
Cancer of the testes is most common in males between what ages? A. 50 and 60 B. 70 and 90 C. 10 and 20 D. 15 and 35 Answer:
D
Prions are slow-acting, virtually indestructible infectious proteins that cause diseases of what vital organ in mammals? A. liver B. lung C. heart D. brain Answer:
D
What does the male reproductive system consist of? A. structures that collect urine B. structures that produce ova C. structures that produce sperm and secrete testosterone D. organs that produce estrogen Answer:
C
What causes genetic disorders in humans? A. alterations of genes B. variations of chromosome C. pollutants of chromosome D. alterations of chromosome Answer:
D
What can lead to a loss of genetic variation within populations? A. migration B. adaptation C. natural selection D. genetic drift Answer:
D
Four electron groups orient themselves into what shape that has four faces? A. tetrahedron B. multicellular C. circular D. spherical Answer:
A
The primary hormones derived from lipids are what? A. steroids B. antibiotics C. amino acids D. melatonins Answer:
A
What are most metal objects made of? A. tin B. aluminum C. bronze D. metal alloys Answer:
D
What law explains how the change in direction of the light ray depends on how the speed of light changes, which in turn is related to the indices of refraction of the media involved? A. Boyle's law B. law of refraction C. Born's law D. Newton's first law Answer:
B
What limits the growth or development of an organism, population, or process? A. limiting factor B. mutation factor C. decreasing factor D. limiting membrane Answer:
A
The primary application of biotechnology is in what field? A. medicine B. chemistry C. physics D. psychology Answer:
A
In naming ternary compounds, which type of particle is stated first? A. subatomic B. cation C. anion D. molecule Answer:
B
The pollen grain absorbs water and does what after it adheres to the stigma of a carpel? A. germinates B. dissolves C. reproduces D. blooms Answer:
A
What term refers to change in position over time? A. velocity B. acceleration C. Position Replacement D. Direction Replacement Answer:
A
Ice ages, continental drift, and giant meteorites striking earth have caused what phenomenon? A. depletion B. waves C. extinction D. gravity Answer:
C
What can all living things sense and respond to in their environment? A. stimuli B. wind C. sunlight D. warmth Answer:
A
What do we call use of electric current to encode information? A. products B. electronics C. ferious D. metals Answer:
B
How many additional pairs of appendages do arachnids have? A. 4 B. 6 C. 0 D. 2 Answer:
D
Melting points are temperatures that are high enough to separate liquids from which substances? A. gases B. solids C. seeds D. oils Answer:
B
Strong, stable bonds between carbon atoms produce complex molecules containing chains, branches, and rings; the chemistry of these compounds is called what? A. inorganic chemistry B. animal chemistry C. nuclear chemistry D. organic chemistry Answer:
D
What are the blood vessels that carry blood toward the heart and tend to have thinner walls? A. veins B. capillaries C. clots D. glands Answer:
A
What is a measure of the amount of space a substance or an object takes up? A. volume B. density C. speed D. mass Answer:
A
Potassium, calcium, and magnesium are considered what kind of nutrients? A. major nutrients B. minor nutrients C. micronutrients D. macronutrients Answer:
D
What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?. A. toxic repulsion B. electrostatic repulsions C. evaporation repulsions D. kinetic repulsions Answer:
B
Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what? A. shedding selection B. diversifying selection C. multiplying selection D. extra selection Answer:
B
Management programs based on population-regulating factors have helped prevent the extinction of many? A. keystone species B. endangered species C. omnivores D. abundant species Answer:
B
What basic plant structure is the site of photosynthesis? A. nucleus B. roots C. spores D. leaves Answer:
D
What provides the identities of the reactants and products involved in the chemical change? A. electron shells B. genome sequence C. chemical formulas D. atomic numbers Answer:
C
What process creates sperm? A. spermatogensis B. hypothalamus C. altostratus D. genesis Answer:
A
Both fluorine and lithium are highly reactive elements because of their number of what? A. covalence electrons B. shell electrons C. positrons D. valence electrons Answer:
D
Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? A. telescope B. compass C. accelerator D. gyroscope Answer:
D