question stringlengths 68 502 | answer stringclasses 4
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Question: As with other organic compounds that form hydrogen bonds, water solubility of amines is reflected in the length of what?
Options:
A. hydrocarbon bonds
B. complex carbohydrates
C. carbon chains
D. nuclei chains | C |
Question: What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth?
Options:
A. penis
B. cervix
C. vagina
D. uterus | C |
Question: What has the average global temperature done since the 1900s?
Options:
A. decreased
B. changed randomly
C. stayed constant
D. risen | D |
Question: An solid object with an irregular shape can be measured via what method?
Options:
A. vibration
B. radiation
C. variation
D. displacement | D |
Question: Deterioration of limestone occurs more rapidly as the concentration of what increases?
Options:
A. ocean pollutants
B. ground pollutants
C. water pollutants
D. air pollutants | D |
Question: In which order does the reactivity of halogen group decline?
Options:
A. left to right
B. bottom to top
C. right to left
D. top to bottom | D |
Question: Photosynthesis converts carbon dioxide and water into what?
Options:
A. glutamate
B. glucose
C. insulin
D. carbon | B |
Question: Which genetic disorder results in the inability of melanocytes to produce melanin?
Options:
A. hyperthyroidism
B. albinism
C. cancers
D. anemia | B |
Question: Most diseases caused by bacteria can be cured by which medicines?
Options:
A. antibiotics
B. inhibitors
C. hydroxides
D. antioxidants | A |
Question: What season do the largest waves for surfers typically come?
Options:
A. summer
B. autumn
C. spring
D. winter | D |
Question: The peripheral nervous system has major nerves that travel through every part of the body except which two places?
Options:
A. brain and spinal cord
B. muscles and brain
C. lungs and spinal cord
D. brain and heart | A |
Question: Each nitrogenous base has one or two rings that include which atoms?
Options:
A. nitrogen
B. hydrogen
C. carbon
D. oxygen | A |
Question: Pluto's orbit is so elliptical that sometimes it is inside the orbit of which planet?
Options:
A. Earth
B. neptune
C. titan
D. Mars | B |
Question: More than half the compounds produced by the chemical industry are what?
Options:
A. artificial polymers
B. synthetic polymers
C. gas polymers
D. replacement polymers | B |
Question: What is it called when electrons are shared equally?
Options:
A. metabolized bonds
B. nonpolar bonds
C. polar bonds
D. helices bonds | B |
Question: Ribosomes are cellular substructures where what are synthesized?
Options:
A. proteins
B. acids
C. Molecule
D. cells | A |
Question: How long can carbon be stored in sedimentary rock?
Options:
A. around 10,000 years
B. millions of years
C. 22 weeks
D. less than 1000 years | B |
Question: What do you call an animal in which the embryo, often termed a joey, is born immature and must complete its development outside the mother's body?
Options:
A. eukaryotic
B. monotreme
C. placental mammal
D. marsupial | D |
Question: What is the most important element to life?
Options:
A. oxygen
B. nitrogen
C. carbon
D. hydrogen | C |
Question: The idea of evolution has been around for centuries. in fact, it goes all the way back to the ancient greek philosopher named?
Options:
A. Xerxes
B. aristotle
C. Galileo
D. Pluto | B |
Question: When a balloon is rubbed against hair, why do they attract each other?
Options:
A. same electron charge
B. lean electron charge
C. constantly electron charge
D. opposite electron charge | D |
Question: Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere?
Options:
A. nitrogen
B. hydrogen
C. oxygen
D. carbon dioxide | D |
Question: What is the name of the scientific field that deals with the general study of the solid earth?
Options:
A. physics
B. chemistry
C. geology
D. astronomy | C |
Question: What kind of enzyme is phosphofructokinase?
Options:
A. orthosteric
B. covalent
C. allosteric
D. intracellular | C |
Question: Covering about 16 percent of the moon's surface, maria are dark, solid, flat areas consisting of what substance?
Options:
A. dust
B. lava
C. ash
D. debris | B |
Question: Sickle cell disease is caused by production of an abnormal type of what?
Options:
A. hemoglobin
B. leukocyte
C. fat globule
D. thrombocyte | A |
Question: Who first proposed that earth is a magnet?
Options:
A. william gilbert
B. Isaac Newton
C. Marconi
D. Albert Einstein | A |
Question: Which atomic model shows that the distances of electrons from the nucleus is not a fixed value?
Options:
A. the quantum model
B. the electron model
C. the distance model
D. the equivocation model | A |
Question: What is it called when breaks in bone occur that is usually caused by excessive stress on the bone?
Options:
A. faults
B. fractures
C. ruptures
D. fragments | B |
Question: What crystals consist of molecules at the lattice points of the crystal, held together by relatively weak intermolecular forces?
Options:
A. healing crystals
B. molecular crystals
C. salt crystals
D. quartz crystals | B |
Question: What causes continents to drift closer to the poles or the equator?
Options:
A. earthquakes
B. plate tectonics
C. time
D. plate movements | D |
Question: What is the major selective advantage of myelination?
Options:
A. potentiation
B. storage capacity
C. heat regulation
D. space efficiency | D |
Question: What debated therapy offers a potential method for replacing neurons lost to injury or disease?
Options:
A. cell production therapy
B. stem cell reduction
C. stem cell therapy
D. cell duplication | C |
Question: How many types of simple machines are there?
Options:
A. three types
B. ten types
C. six types
D. two types | C |
Question: After dispersal of a seed, what next step may occur if environmental conditions are favorable?
Options:
A. germination
B. degradation
C. infection
D. bloom | A |
Question: What is the term for the smallest particle of an element that still has the properties of that element?
Options:
A. nucleus
B. neutron
C. atom
D. electron | C |
Question: What are insect parasites transmitted sexually?
Options:
A. pinworms
B. chlamydia
C. deer ticks
D. pubic lice | D |
Question: What type of energy is used when a roller coaster runs downhill?
Options:
A. kinetic energy
B. proportional energy
C. residual energy
D. vibrational energy | A |
Question: In what process is atp created by glycolysis, without oxygen?
Options:
A. condensation
B. fermentation
C. sedimentation
D. oxidation | B |
Question: What helps deposit the material in caves as stalactites, stalagmites, and columns
Options:
A. precipitation
B. gas
C. wastewater
D. groundwater | D |
Question: A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution?
Options:
A. oil spill
B. greenhouse gases
C. algal bloom
D. fracking disaster | A |
Question: Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas?
Options:
A. hydrogen
B. carbon dioxide
C. nitrogen
D. oxygen | D |
Question: Chemical reactions are typically written to imply that they proceed in one direction - if they can occur in either direction, they are considered what?
Options:
A. reactive
B. reversible
C. observable
D. singular | B |
Question: Single-celled eukaryotes that share some traits with animals are also called?
Options:
A. monomers
B. eukaryotes
C. prokaryotes
D. microorganisms | B |
Question: Antibiotics can be used to fight what, in general?
Options:
A. viruses
B. fever
C. pathogens
D. bacteria | D |
Question: An organism that carries pathogens from one individual to another is called what?
Options:
A. germ cell
B. host
C. virus
D. vector | D |
Question: What fills the epidermal cells that make up fingernails and toenails?
Options:
A. keratin
B. amino acids
C. cellulose
D. chromatin | A |
Question: What is the name for a parasite that causes disease?
Options:
A. enfluenza
B. microbes
C. pathogen
D. fungi | C |
Question: What type of map shows the elevation and features in an area?
Options:
A. meteorological
B. geographic
C. gradient
D. topographic | D |
Question: What are organelles made of protein and ribosomal rna (rrna)?
Options:
A. carbons
B. chromosomes
C. ribosomes
D. electrons | C |
Question: What are major temperature zones primarily based on?
Options:
A. gps
B. longitude
C. latitute
D. altitude | C |
Question: What type of muscle is found in the walls of other internal organs such as the stomach?
Options:
A. inorganic muscle
B. smooth muscle
C. Fiber Muscle
D. Tube Muscle | B |
Question: A visual "copy" of an object that is formed by reflected or refracted light is called what?
Options:
A. photo
B. instance
C. mirror
D. image | D |
Question: From the pharynx, air next passes through what structure, also known as the voice box because it contains vocal cords?
Options:
A. larynx
B. pancreas
C. diaphram
D. trachea | A |
Question: Vertebrates are all chordates that have a what?
Options:
A. backbone
B. brain
C. circulatory system
D. fossil | A |
Question: What do structures of the human eye collect and focus?
Options:
A. light
B. electricity
C. air
D. sugars | A |
Question: Different elements differ in the size, mass, and other properties of what fundamental structures?
Options:
A. atoms
B. ions
C. compounds
D. particles | A |
Question: Breasts are considered accessory organs of what body system?
Options:
A. female reproductive system
B. digestive system
C. lymphatic system
D. nervous system | A |
Question: Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
Options:
A. immune system
B. digestion system
C. hormones system
D. nervous system | A |
Question: What type of cells make up tumors?
Options:
A. consumption cells
B. cancer cells
C. white blood cells
D. boyle cells | B |
Question: When leaves wilt, what plant process ceases?
Options:
A. photosynthesis
B. carbonation
C. hydration
D. reactions | A |
Question: What type of tissue makes up much of the inside of a plant?
Options:
A. working tissue
B. leaf tissue
C. stem tissue
D. ground tissue | D |
Question: Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what?
Options:
A. bloodstream
B. lungs
C. kidneys
D. liver | A |
Question: Does blood flow increase or decrease when blood vessels constrict?
Options:
A. decrease
B. it stops
C. it's not affected
D. increases | A |
Question: What is venus covered in a thick layer of?
Options:
A. gases
B. storms
C. fog
D. clouds | D |
Question: What type of aquifer is trapped between two impermeable rock layers?
Options:
A. abandoned
B. segmented
C. confined
D. solid | C |
Question: Name the multi-phase process in which the nucleus of a eukaryotic cell divides?
Options:
A. cytokinesis
B. meiosis
C. mitosis
D. symbiosis | C |
Question: What is the term for the basic contractile unit of the muscle?
Options:
A. sarcomere
B. bandimere
C. filament
D. sphincter | A |
Question: What are chemical messengers that control sexual development and reproduction?
Options:
A. neurotransmitters
B. lipids
C. sex hormones
D. proteins | C |
Question: What are species that are first to colonize a disturbed area called?
Options:
A. pioneer species
B. brave species
C. novel species
D. exploratory species | A |
Question: What planet is the easiest to observe?
Options:
A. mercury
B. pluto
C. uranus
D. mars | D |
Question: Where does the heartbeat originate in vertebrates?
Options:
A. the tissue
B. the pulse
C. the heart
D. the blood | C |
Question: What is a process where some substances called reactants change chemically into different substances called products?
Options:
A. chemical reaction
B. non-chemical reaction
C. carbon reaction
D. crystals reaction | A |
Question: Cellulose is the main structural component of what part of the plant cell, and makes up over thirty percent of plant matter?
Options:
A. proteins wall
B. cell wall
C. roots
D. flowers | B |
Question: What is a push or a pull acting on an object?
Options:
A. pulse
B. action
C. force
D. energy | C |
Question: Which organ will bladder infections commonly damage if untreated?
Options:
A. kidney
B. tissue
C. heart
D. lungs | A |
Question: What is the acid that is released by the stomach that kills most pathogens that enter the stomach?
Options:
A. Nitric Acid
B. Hydrofluoric Acid
C. Sulfuric Acid
D. hydrochloric acid | D |
Question: What occurs when force is applied to a moving object?
Options:
A. acceleration
B. stimulation
C. inertia
D. transmission | A |
Question: Smooth, cardiac, and skeletal are all types of what?
Options:
A. hormones
B. muscle
C. bone
D. teeth | B |
Question: What group of elements does sodium belong to?
Options:
A. metalloids
B. halogens
C. alkali metals
D. noble gases | C |
Question: Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what?
Options:
A. in phase
B. after phase
C. before phase
D. in equilibrium | A |
Question: The process of photosynthesis uses chlorophyll, which is located in organelles called what?
Options:
A. fibroblasts
B. chloroplasts
C. mitochondria
D. nucleus | B |
Question: What kind of oily substance is secreted from sebaceous glands?
Options:
A. progesterone
B. Blood
C. sebum
D. pus | C |
Question: Some reactions need extra help to occur quickly. they need another substance called what?
Options:
A. hormone
B. neurotransmitter
C. a catalyst
D. protein | C |
Question: What have approximately the same mass as protons but no charge?
Options:
A. atoms
B. reactions
C. neutrons
D. electrons | C |
Question: Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
Options:
A. infant
B. adult
C. toddler
D. fetal | D |
Question: What do you call aquatic biomes in the ocean?
Options:
A. ocean dwellers
B. marine biomes
C. coastal biomes
D. freshwater biomes | B |
Question: The reaction of which body system causes food allergies?
Options:
A. lymphatic system
B. nervous system
C. cardiac system
D. immune system | D |
Question: Leaving tampons in for too long can put you at risk of what syndrome?
Options:
A. Endometrial Cancer
B. Scalded Skin Syndrome
C. Vaginismis
D. toxic shock | D |
Question: There are three flat skeletal muscles in the antero-lateral wall of what?
Options:
A. thoracic cavity
B. shoulder socket
C. hip joint
D. abdomen | D |
Question: The dead, dry stratum corneum is the most superficial layer of what and is the layer exposed to the outside environment?
Options:
A. lungs
B. intestinal
C. dermis
D. epidermis | D |
Question: What protein is produced when a plasma cell is stimulated by antigens?
Options:
A. immunoglobulin
B. keratin
C. dystrophin
D. collagen | A |
Question: An unbalanced force on an object in motion causes what?
Options:
A. vibration
B. agitation
C. velocity
D. acceleration | D |
Question: Partial albinism results from a mutation in an enzyme that is involved in the production of what?
Options:
A. cancer
B. melanin
C. hair
D. cytoplasm | B |
Question: Where does a baby travel to after leaving the uterus?
Options:
A. birth canal
B. tissue canal
C. ear canal
D. nasal canal | A |
Question: Name an important natural resource in and of itself.
Options:
A. biodiversity
B. habitat
C. water
D. food chain | A |
Question: In classical conditioning, a response called the conditioned response is associated with what?
Options:
A. conditioned stimulus
B. unconditioned stimulus
C. external inhibition
D. blocking effect | A |
Question: What kind of bonds does boron form rather than metallic lattices?
Options:
A. multicenter
B. magnetic bonds
C. bilateral
D. electron bonds | A |
Question: What broad group of living things serves as the major producers in terrestrial biomes?
Options:
A. animals
B. vases
C. plants
D. flowers | C |
Question: Birds that move pollen from flower to flower are called what?
Options:
A. carnivores
B. pollinators
C. spores
D. frogs | B |
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