question stringlengths 68 502 | answer stringclasses 4
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Question: What year did the soho spacecraft first started to operate?
Options:
A. 2012
B. 1996
C. 1987
D. 2006 | B |
Question: Concentration of what, the substance left behind when ocean water evaporates, is about 3.5 percent?
Options:
A. quartz
B. sugar
C. hydrogen
D. salts | D |
Question: What has a distinct front and back end?
Options:
A. volvox sphere
B. hydro sphere
C. heroclix sphere
D. imipenem sphere | A |
Question: In how many basic was can substances cross the plasma membrane?
Options:
A. four
B. three
C. two
D. one | C |
Question: What type of cells have chloroplasts?
Options:
A. animal cells
B. plant cells
C. simple cells
D. human cells | B |
Question: What is the term for disease-causing agents, such as bacteria and viruses?
Options:
A. vaccines
B. parasites
C. spores
D. pathogens | D |
Question: To figure out the height of a wave you measure the distance between the crest and what?
Options:
A. core
B. crater
C. trough
D. drift | C |
Question: Humans possess greater diversity of what type, compared to laboratory animals?
Options:
A. lifespans
B. elements
C. genetics
D. pathogens | C |
Question: What system can be used by scientists to express very small numbers?
Options:
A. certain diffusion
B. similar notation
C. scientific diffusion
D. scientific notation | D |
Question: An unknown genotype can be determined by observing what, the term for characteristics of the resulting offspring?
Options:
A. chromosonal variations
B. phenotypes
C. abnormalities
D. clusters | B |
Question: Wind power, solar power, hydropower, and geothermal power are called renewable sources of energy or what other term?
Options:
A. conservative energy
B. specific energy
C. alternative energy
D. mandatory energy | C |
Question: How much electricity is generated by an average car battery?
Options:
A. six volts
B. eight volts
C. twelve volts
D. ten volts | C |
Question: What is the term for a cellular "scaffolding" that crisscrosses the cytoplasm?
Options:
A. protoskeleton
B. cellulose
C. cytoskeleton
D. collagen | C |
Question: What common code do all known living organisms use?
Options:
A. code of ethics
B. biochemical
C. genetic
D. Morse code | C |
Question: What are 2 common growth patterns of population?
Options:
A. organic and inorganic
B. exponential and economical
C. exponential and logistic
D. migratory and logistic | C |
Question: Solutions to schrödinger’s equation involve four special numbers called what?
Options:
A. linear numbers
B. gravity numbers
C. quantum numbers
D. light numbers | C |
Question: What is the only human cell with flagella?
Options:
A. egg
B. saliva
C. sperm
D. Feces | C |
Question: What can be described as a tiny male gametophyte enclosed in a tough capsule?
Options:
A. dna
B. seed
C. cell
D. grain of pollen | D |
Question: What is the largest artery in the body called?
Options:
A. radial
B. carotid
C. ventricular
D. aorta | D |
Question: Fertilization occurs if a sperm enters the egg while it is passing through what tube?
Options:
A. vaginal
B. ovarian
C. anterior
D. fallopian | D |
Question: When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what?
Options:
A. veins
B. arteries
C. capillaries
D. bones | C |
Question: What to tadpoles develop into?
Options:
A. mosquitos
B. toads
C. frogs
D. snakes | C |
Question: What part of the body do fish use to absorb oxygen?
Options:
A. gills
B. tail fin
C. under belly
D. dorsal fin | A |
Question: The electrons in a water molecule are more concentrated around the more highly charged oxygen nucleus than around this?
Options:
A. hydrogen nuclei
B. peroxide nuclei
C. carbon nuclei
D. helium nuclei | A |
Question: What is the layer of ground below the surface that is always frozen, even in the summer?
Options:
A. tundra
B. permafrost
C. upper crust
D. bedrock | B |
Question: What is usually the prey of a protist?
Options:
A. proteins
B. algae
C. bacteria
D. pathogens | C |
Question: What concentrates wave energy or disperses it?
Options:
A. a prism
B. wave diffusion
C. wave reflection
D. wave refraction | D |
Question: In plants and algae, photosynthesis takes place in which organelles?
Options:
A. fibroblasts
B. stems
C. chloroplasts
D. cells | C |
Question: What produces sound waves that travel outward in all directions in water?
Options:
A. ultrasound machines
B. echo sounders
C. echo chamber
D. amplifiers | B |
Question: The roots of a plant take in nutrients and what vital substance?
Options:
A. Ash
B. air
C. Soil
D. water | D |
Question: Carbon fixation is the first step of what cycle involving light reactions?
Options:
A. calvin cycle
B. life cycle
C. water cycle
D. sun cycle | A |
Question: What are the attractive forces that occur between polar molecules called?
Options:
A. dipole-dipole forces
B. ion-dipole forces
C. induced-dipole forces
D. particle - dipole forces | A |
Question: The production of multiple copies of a single gene is called?
Options:
A. gene cloning
B. gene change
C. cell cloning
D. gene variation | A |
Question: Fossil fuels are made out of what two objects?
Options:
A. gases and animals
B. plants and water
C. plants and animals
D. soil and animals | C |
Question: Amoebas and paramecia are examples of what?
Options:
A. vertebrates
B. bacteria
C. protozoa
D. protists | C |
Question: Name the bacteria that make food through photosynthesis and release oxygen into the air?
Options:
A. phytoplankton
B. fusobacteria
C. algae
D. cyanobacteria | D |
Question: What simple machine consists of a bar that rotates around a fixed point called the fulcrum?
Options:
A. rotor
B. lever
C. battering ram
D. catapult | B |
Question: Which carbohydrate is produced by photosynthesis?
Options:
A. sugar
B. protein
C. glucose
D. insulin | C |
Question: What term is used to describe the line of latitude right in the middle of the planet?
Options:
A. equator
B. Prime Meridian
C. orbital
D. pole | A |
Question: What is the opening formed between adjacent vertebrae for the exit of a spinal nerve called?
Options:
A. sympathetic ganglion
B. spinous process
C. inferior vertebral notch
D. intervertebral foramen | D |
Question: What two planets is the asteroid belt found between?
Options:
A. saturn and uranus
B. mars and jupiter
C. earth and venus
D. mars and venus | B |
Question: Neon is an example of what kind of gas?
Options:
A. inert
B. ideal
C. natural
D. noble | D |
Question: Many organisms look very similar to other organisms because they may be from the same what?
Options:
A. species
B. parasites
C. area
D. nutrients | A |
Question: What type of compound is hydrogen chloride?
Options:
A. polar
B. ionic
C. metal
D. covalent | D |
Question: What kind of volcanic eruptions are less deadly?
Options:
A. explosive
B. non-dormant
C. serial eruptions
D. non-explosive | D |
Question: Where do most ecosystems get their energy from?
Options:
A. heat
B. sun
C. water
D. earth | B |
Question: When a solute dissolves into a solvent what is that called?
Options:
A. enthalpy
B. viscosity
C. mixing
D. solubility | A |
Question: The smallest part of an element that maintains the identity of that element is called what?
Options:
A. nucleus
B. atom
C. lattice
D. neutron | B |
Question: Varves form in lakes covered by what?
Options:
A. ice
B. coral reef
C. soot
D. bridges | A |
Question: Speed takes distance and what else into account?
Options:
A. matter
B. time
C. energy
D. gravity | B |
Question: Which division of the autonomic nervous system controls processes like digestion, heartbeat, and breathing?
Options:
A. dopaminergic
B. endocrine
C. parasympathetic
D. synaptic | C |
Question: What does the ovule develop into after fertilization?
Options:
A. zygote
B. pollen
C. seed
D. germ | C |
Question: What is a key factor in the growth of populations?
Options:
A. legislation
B. immigration
C. assimilation
D. gentrification | B |
Question: Air is said to reach what point, a term used by meteorologists, when humidity increases or temperature decreases?
Options:
A. freezing point
B. its dew point
C. its dip point
D. bubble point | B |
Question: In neurons, what often involves gated sodium channels?
Options:
A. depolarization
B. polarization
C. excitation
D. fermentation | A |
Question: Line graphs are especially useful for showing changes over what?
Options:
A. velocity
B. time
C. energy
D. space | B |
Question: After a massive eruption what will a mountain collapsing above an empty chamber create?
Options:
A. valley
B. crater
C. cavern
D. caldera | D |
Question: The posterior half of the foot is formed by seven tarsal bones. the most superior of these bones is called?
Options:
A. calcareous
B. metatarsal
C. talus
D. patella | C |
Question: What helps to regulate consciousness, arousal, and sleep states?
Options:
A. thalamus
B. hypothalamus
C. hippocampus
D. cerebral cortex | A |
Question: Some fish will be over-fished to the point that their species ceases to exist, which is also known as what?
Options:
A. abundance
B. endangered
C. accumulation
D. extinction | D |
Question: Not surprisingly, what is the function of the most developed part of a bird's brain?
Options:
A. controlling flight
B. controlling digestion
C. controlling thought
D. controlling breeding | A |
Question: What type of roots enable a plant to grow on another plant?
Options:
A. epiphytic
B. endemic
C. Sickness
D. mites | A |
Question: What is the distance north or south of the equator called?
Options:
A. elevation
B. circumference
C. longitude
D. latitude | D |
Question: In response to a cut, mast cells secrete histamines that cause nearby capillaries to do what?
Options:
A. constrict
B. dilate
C. harden
D. narrow | B |
Question: What is the term for an ionic compound that produces positive hydrogen ions when dissolved in water?
Options:
A. base
B. sulfur
C. hydrocarbon
D. acid | D |
Question: The stems of all vascular plants get longer through primary growth. this occurs in primary meristem at the tips and ______ of the stems.
Options:
A. bottoms
B. layers
C. nodes
D. edges | C |
Question: What kind of waves are electromagnetic waves?
Options:
A. curved
B. amplitude
C. transverse
D. inverse | C |
Question: What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock?
Options:
A. calcification
B. erosion
C. evaporation
D. migration | B |
Question: Meissner’s corpuscles are not as plentiful in the palms as they are in the what other part of the hand?
Options:
A. fingertips
B. cuticles
C. bones
D. fingernails | A |
Question: What are the two types of earth crust?
Options:
A. amorphous and continental
B. micro and continental
C. oceanic and continental
D. reflective and continental | C |
Question: What is determined by the energy of the disturbance that causes the wave?
Options:
A. wave amplitude
B. frequency
C. wavelength
D. Ohm | A |
Question: What is made from the minerals in rocks known as bauxite?
Options:
A. coins
B. titanium
C. glass
D. aluminum | D |
Question: What is a defining feature of deformed sedimentary rocks?
Options:
A. not magnetic
B. not horizontal
C. only horizontal
D. not solid | B |
Question: Resemblance to other species can serve as protection to what category of species?
Options:
A. prey
B. consumer
C. predator
D. producer | A |
Question: What type of cells make up the epidermis of a leaf?
Options:
A. chloroplasts
B. mesophyll
C. dermal cells
D. endothermic cells | C |
Question: What carries warm or cold water throughout the world’s oceans?
Options:
A. pipes
B. earth rotation
C. ocean currents
D. gravity | C |
Question: What type of resource cannot be replaced as easily as it is consumed?
Options:
A. untapped
B. nonrenewable
C. biological
D. renewable | B |
Question: What substances are involved in most of the chemical reactions that take place in organisms, including digestion?
Options:
A. proteins
B. vitamins
C. hormones
D. enzymes | D |
Question: What occurs when the immune system is not working properly?
Options:
A. anemia
B. immunodeficiency
C. allergy
D. cancer | B |
Question: The force that a magnet exerts on certain materials is called what?
Options:
A. velocity force
B. magnetic force
C. stellar force
D. centripetal force | B |
Question: What is applied to a rock to make it bend and flow?
Options:
A. phosphorus
B. acid
C. weathering
D. stress | D |
Question: What is the function of chloroplasts that are found in plant and algal cells?
Options:
A. glycolysis
B. mitosis
C. spermatogenesis
D. photosynthesis | D |
Question: What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis?
Options:
A. rectum
B. cerebellum
C. vagina
D. urethra | D |
Question: Terrestrial animals lose water by evaporation from their skin and which surfaces?
Options:
A. pulmonary
B. respiratory
C. anaerobic
D. digestive | B |
Question: What color are leukocytes blood cells?
Options:
A. black
B. red
C. blue
D. white | D |
Question: What is something that all machines must overcome?
Options:
A. friction
B. stress
C. temperature
D. work | A |
Question: The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these?
Options:
A. molecules
B. protons
C. particles
D. ions | A |
Question: What are the small units that comprise nucleic acids?
Options:
A. genes
B. filaments
C. nucleotides
D. chromosomes | C |
Question: Minerals that are not pure elements are made of what?
Options:
A. noble gases
B. isotopes
C. chemical compounds
D. metalloids | C |
Question: What can be classified as monoprotic or polyprotic based on the number of acidic hydrogens they contain?
Options:
A. ions
B. acids
C. salts
D. cations | B |
Question: What is the top part of water able to receive enough sunlight for photosynthesis called?
Options:
A. synthesis zone
B. fantasmic zone
C. photic zone
D. thymic zone | C |
Question: Different media affect what property of light?
Options:
A. temperature
B. speed
C. color
D. density | B |
Question: Signals from rods and cones can follow several different pathways in what structure of the eye?
Options:
A. aperture
B. retina
C. lens
D. aqueous humor | B |
Question: What is the term for getting used to something after being consistently exposed to it?
Options:
A. dissociation
B. modification
C. acceptance
D. habituation | D |
Question: What element do nuclear power plants use in fuel rods?
Options:
A. plutonium
B. boron
C. uranium
D. magnesium | C |
Question: Where on earth do bacteria live?
Options:
A. blood
B. skin
C. water
D. all environments | D |
Question: What type of waves radiate energy out from an earthquake's focus?
Options:
A. abnormal
B. volcanic
C. seismic
D. Microwaves | C |
Question: What is a popular treatment for kidney failure?
Options:
A. metastasis
B. dialysis
C. electrolysis
D. psychotherapy | B |
Question: What is critical for the formation of hemoglobin?
Options:
A. iron ions
B. platelets
C. salts
D. proteins | A |
Question: Which hormones work together to control the level of glucose in the blood?
Options:
A. insulin and glucagon
B. insulin and estrogen
C. serotonin and glucagon
D. testosterone and insulin | A |
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