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|---|---|---|
null | Question: The sun and many other light sources produce waves that are randomly this?
Options:
A. colored
B. amplified
C. polarized
D. obfuscated
Answer: | C |
null | Question: How many valence electrons does nitrogen have?
Options:
A. 5
B. 10
C. 4
D. 3
Answer: | A |
null | Question: What term is used to describe the ability to change or move matter?
Options:
A. mass
B. energy
C. inertia
D. speed
Answer: | B |
null | Question: What is the inner cell mass formed by the cells of the blastocyst called?
Options:
A. amniotic cavity
B. embryoblast
C. xerophyte
D. ectoderm
Answer: | B |
null | Question: What do you call the process of a solid becoming a liquid?
Options:
A. melting
B. vaporizing
C. boiling
D. freezing
Answer: | A |
null | Question: What are waxes made up of?
Options:
A. long - project fatty acids
B. long-chain fatty acids
C. long - chain pyroclastic acids
D. long-chain natural acids
Answer: | B |
null | Question: What is a rock that contains important minerals called?
Options:
A. steel
B. ore
C. carbonic
D. copper
Answer: | B |
null | Question: The fertilized egg that sexually reproducing organisms begin life as is known as what?
Options:
A. gamete
B. zygote
C. fetus
D. infant
Answer: | B |
null | Question: Name the type of system that a jellyfish does not have?
Options:
A. nervous
B. reproductive
C. hereditary
D. circulatory
Answer: | D |
null | Question: Endosperm usually develops before the what does?
Options:
A. gamete
B. fetus
C. nucleus
D. embryo
Answer: | D |
null | Question: What kind of charge does a proton have?
Options:
A. ionic
B. positive
C. negative
D. constant
Answer: | B |
null | Question: What is the key issue in the small-population approach?
Options:
A. disease variation
B. genetic mutation
C. alternative variation
D. genetic variation
Answer: | D |
null | Question: What is made in the liver and excreted in urine?
Options:
A. blood
B. urea
C. feces
D. plasma
Answer: | B |
null | Question: Depending on how matter interacts with light, it can be classified as transparent, translucent, or what?
Options:
A. protective
B. opaque
C. reactive
D. reflective
Answer: | B |
null | Question: What theory explains the physical behavior of gases?
Options:
A. quantum theory of gases
B. kinetic theory of gases
C. thermodynamic theory of gases
D. relativity theory of gases
Answer: | B |
null | Question: What is the standard unit for mass?
Options:
A. meter
B. kilogram
C. pound
D. ounce
Answer: | B |
null | Question: What is it called when feces move along the colon too slowly?
Options:
A. respiratory
B. constipation
C. relaxation
D. diarrhea
Answer: | B |
null | Question: The mostly subterranean lifestyle of stone plants reduces water loss from evaporation and inhibits what?
Options:
A. chlorophyll
B. tissues
C. reactions
D. photosynthesis
Answer: | D |
null | Question: What device is used to stop a current in a circuit?
Options:
A. a mirror
B. a switch
C. a valve
D. a signal
Answer: | B |
null | Question: What has traditionally been defined as a force of attraction between two masses?
Options:
A. mass
B. gravity
C. motion
D. volume
Answer: | B |
null | Question: What type of gas levels in the atmosphere are increasing?
Options:
A. helium gas
B. carbonate gas
C. hydrogen gas
D. greenhouse gas
Answer: | D |
null | Question: When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin?
Options:
A. white blood cells
B. ph
C. calcium
D. acid
Answer: | B |
null | Question: Pure substances have a constant composition and can only be changed by what?
Options:
A. growth
B. carbon reactions
C. radiation
D. chemical reactions
Answer: | D |
null | Question: What is the space around the magnet called?
Options:
A. optical field
B. gravitational field
C. resistance field
D. magnetic field
Answer: | D |
null | Question: What asymmetrical organ has four chambers and, in humans, is about the size of a clenched fist?
Options:
A. brain
B. heart
C. kidney
D. liver
Answer: | B |
null | Question: Diet correlates with the length of what organ system in vertebrates?
Options:
A. reproductive
B. digestive
C. respiratory
D. circulatory
Answer: | B |
null | Question: Zoonotic pathogens are transferred from what to what?
Options:
A. animals to humans
B. humans to humans
C. humans to animals
D. animals to animals
Answer: | A |
null | Question: What is the process where scientific articles are checked and analyzed by other scientists before publication?
Options:
A. process review
B. embrace review
C. peer review
D. mechanism review
Answer: | C |
null | Question: Heavily vegetated lands are less likely to experience what?
Options:
A. drought
B. expansion
C. flooding
D. rains
Answer: | C |
null | Question: The primary substance that human cells, and ultimately human beings, are made up of is what?
Options:
A. air
B. oil
C. water
D. gas
Answer: | C |
null | Question: Crabs, lobsters, shrimp, krill, and woodlice are all?
Options:
A. porifera
B. arthropods
C. crustaceans
D. sponges
Answer: | C |
null | Question: A system is said to be in stable equilibrium if, when displaced from equilibrium, it experiences a net force or torque in a direction opposite to the direction of the what?
Options:
A. variation
B. dispersement
C. displacement
D. velocity
Answer: | C |
null | Question: What system provides a major route for heat flow between the interior and exterior of the body?
Options:
A. respiratory system
B. excretory system
C. nervous system
D. the circulatory system
Answer: | D |
null | Question: What type of tumor mostly does not cause serious problems and can be completely removed by surgery?
Options:
A. toxic
B. malignant
C. persistent
D. benign
Answer: | D |
null | Question: What term denotes lower levels of exposure, for instance to radiation, over a longer period of time?
Options:
A. excess exposure
B. chronic exposure
C. recent exposure
D. non-exposure
Answer: | B |
null | Question: What is the pair of bean-shaped organs situated just above the waist?
Options:
A. pancreas
B. aorta
C. kidneys
D. lungs
Answer: | C |
null | Question: What is the transfer of thermal energy between substances called?
Options:
A. Diffusion
B. heat
C. Radiation
D. Permeation
Answer: | B |
null | Question: Where do radio waves lie on the electromagnetic spectrum?
Options:
A. top
B. far left
C. middle
D. far right
Answer: | B |
null | Question: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?
Options:
A. oxygen
B. hydrogen
C. nitrogen
D. sulfur
Answer: | A |
null | Question: What usually causes fractures on a bone?
Options:
A. extra weight
B. excessive bending stress
C. compressive stress
D. shear stress
Answer: | B |
null | Question: Where are feces formed?
Options:
A. small intestine
B. duodenum
C. liver
D. large intestine
Answer: | D |
null | Question: Which kind of muscle regulates air flow in lungs?
Options:
A. alveoli
B. striated
C. smooth
D. vascular
Answer: | C |
null | Question: An example of hydrolysis working within our bodies is the process of what?
Options:
A. digestion
B. filtration
C. absorption
D. breathing
Answer: | A |
null | Question: What are specialized cells in the brain that monitor the concentration of solutes in the blood called?
Options:
A. ionconcentrate
B. sporozoans
C. staurikosaurus
D. osmoreceptors
Answer: | D |
null | Question: What is a double membrane of the nucleus that encloses the genetic material?
Options:
A. the complex envelope
B. the nuclear envelope
C. the cell wall
D. the nuclear compression
Answer: | B |
null | Question: What predatory mammal is the fastest land animal on earth?
Options:
A. panther
B. cheetah
C. tiger
D. giraffe
Answer: | B |
null | Question: Nuclear fusion is a reaction in which two nuclei are combined to form a larger nucleus. it releases energy when light nuclei are fused to form medium-mass nuclei. • fusion is the source of energy in what?
Options:
A. galaxies
B. orbits
C. stars
D. Space
Answer: | C |
null | Question: How many valence electrons can be found in a carbon atom?
Options:
A. One
B. five
C. four
D. three
Answer: | C |
null | Question: The cell membrane consists of two adjacent layers of what?
Options:
A. lecithin
B. phospholipids
C. membranes
D. eukaryotes
Answer: | B |
null | Question: Which system does the large and small intestine belong to?
Options:
A. molecules system
B. digestive system
C. LYMPHATIC
D. skeletal system
Answer: | B |
null | Question: What do all chemical reactions need to get started?
Options:
A. activation energy
B. expression energy
C. potential energy
D. kinetic energy
Answer: | A |
null | Question: What is the term for traits that show wide variation, such as height, skin color, and eye color?
Options:
A. inherited traits
B. polygenic traits
C. recessive traits
D. maladaptive traits
Answer: | B |
null | Question: What is the shape of the thyroid gland?
Options:
A. triangle-shaped
B. square-shaped
C. snake - shaped
D. butterfly-shaped
Answer: | D |
null | Question: Glucose and fructose are considered this type of sugar?
Options:
A. complex carbohydrates
B. alcohols
C. polysaccharides
D. monosaccharides, or simple
Answer: | D |
null | Question: How long can carbon be stored in sedimentary rock?
Options:
A. less than 1000 years
B. millions of years
C. 22 weeks
D. around 10,000 years
Answer: | B |
null | Question: What are the only amphibians without legs?
Options:
A. newts
B. porifera
C. crustaceans
D. caecilians
Answer: | D |
null | Question: Which continent is covered with an ice cap?
Options:
A. asia
B. australia
C. antarctica
D. greenland
Answer: | C |
null | Question: About how many days does it take the moon to make one orbit around the earth?
Options:
A. 22
B. 21
C. 28
D. 30
Answer: | C |
null | Question: What scientist constructed a tree diagram, separating living organisms into three domains?
Options:
A. CT Fletcher
B. carl woese
C. Gibbs
D. Mendel
Answer: | B |
null | Question: The process by which an organism develops from a single-celled zygote to a multi-cellular organism is complex and well regulated. the regulation occurs through signaling between cells and tissues and responses in the form of what?
Options:
A. spontaneous mutation
B. differential gene expression
C. dna replication
D. phenotype exchange
Answer: | B |
null | Question: The structure of the human tail bone is called what?
Options:
A. an artifact
B. a abnormal structure
C. a vestigial structure
D. a vital structure
Answer: | C |
null | Question: Dna replication is the first step in what process for both eukaryotic and prokaryotic cells?
Options:
A. cell transfer
B. cell death
C. cell growth
D. cell division
Answer: | D |
null | Question: The end of a pine tree branch bears the male cones that produce what?
Options:
A. needles
B. pollen
C. flowers
D. spores
Answer: | B |
null | Question: Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes?
Options:
A. fluxes
B. decomposers
C. aphids
D. Soil
Answer: | B |
null | Question: When light meets matter, it may be reflected, transmitted, or what?
Options:
A. absorbed
B. diffuse
C. reflected
D. diffracted
Answer: | A |
null | Question: What occurs when a substance diffuses through a cell membrane without any help from other molecules?
Options:
A. simple diffusion
B. simple filtration
C. visual diffusion
D. visible diffusion
Answer: | A |
null | Question: High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term?
Options:
A. turbulence
B. ion speed
C. light speed
D. supersonic
Answer: | D |
null | Question: At a convergent plate boundary, when one plate is oceanic, there are large what?
Options:
A. volcanoes
B. plateaus
C. earthquakes
D. lakes
Answer: | A |
null | Question: What are mass, volume, and length an example of?
Options:
A. dynamic properties
B. extensive compounds
C. fantastic properties
D. extensive properties
Answer: | D |
null | Question: Which body part is unsuitable for animals living on land?
Options:
A. gills
B. feet
C. lungs
D. hands
Answer: | A |
null | Question: What is the most common type of cancer developed in children?
Options:
A. stomach cancer
B. leukemia
C. lung cancer
D. anemia
Answer: | B |
null | Question: What is the name of the process for delivering water to crops?
Options:
A. reclamation
B. irrigation
C. bilge
D. drainage
Answer: | B |
null | Question: What effect describes how earth’s rotation steers winds and surface ocean currents?
Options:
A. centripetal force
B. coriolis
C. dorsalis
D. Big Bang theory
Answer: | B |
null | Question: What are broken down during digestion to provide the amino acids needed for protein synthesis?
Options:
A. sugars
B. dietary proteins
C. carbohydrates
D. metabolytes
Answer: | B |
null | Question: Name the one metal that melts below room temperature?
Options:
A. gold
B. bronze
C. aluminum
D. mercury
Answer: | D |
null | Question: Lymphatic capillaries are interlaced with the arterioles and venules of which system?
Options:
A. atmospheric system
B. circulatory system
C. skeletal systems
D. cardiovascular system
Answer: | D |
null | Question: An atomic symbol is used to represent what?
Options:
A. mole
B. weight
C. element
D. electron shell
Answer: | C |
null | Question: An element symbol without a charge written next to it is assumed to be what?
Options:
A. uncharged atom
B. corroborate atom
C. dead atom
D. surfactants atom
Answer: | A |
null | Question: Each species has a particular way of making a living which is called its what?
Options:
A. system
B. habit
C. niche
D. life-cycle
Answer: | C |
null | Question: What are the strongest chemical bonds?
Options:
A. mutual and stock bonds
B. covalent and ionic bonds
C. curvature and ionic bonds
D. weak and ionic bonds
Answer: | B |
null | Question: What are the majority of solution properties dependent upon?
Options:
A. chemical state of solute
B. gas state of solute
C. acid state of solute
D. similar state of solute
Answer: | A |
null | Question: What causes fertilization to occur?
Options:
A. sperm and an egg fuse
B. genetic and an egg fuse
C. accumulation and an egg fuse
D. tissue and an egg fuse
Answer: | A |
null | Question: What is the term for the conversion of a liquid to its vapor below the boiling temperature of the liquid?
Options:
A. absorption
B. evaporation
C. oxidation
D. vaporization
Answer: | B |
null | Question: By what kind of change can a chemical change be reversed?
Options:
A. another thermal change
B. another carbon change
C. another radioactive change
D. another chemical change
Answer: | D |
null | Question: Where do most ecosystems get energy from?
Options:
A. sunlight
B. forests
C. precipitation
D. oceans
Answer: | A |
null | Question: There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what?
Options:
A. mass
B. mineral
C. energy
D. protein
Answer: | C |
null | Question: What is the measure of how closely molecules are packed together?
Options:
A. density
B. length
C. frequency
D. volume
Answer: | A |
null | Question: What are catalysts in living things called?
Options:
A. carbohydrates
B. carbohydrates
C. enzymes
D. proteins
Answer: | C |
null | Question: What part of the body protects the brain?
Options:
A. cranium (skull)
B. feet
C. lungs
D. arms
Answer: | A |
null | Question: The stability of an ecosystem depends on the actions of what, exemplified by mushrooms on a decaying log and bacteria in soil?
Options:
A. whitefly
B. aphids
C. decomposers
D. fluxes
Answer: | C |
null | Question: Evolution that occurs over a short period of time is known as what?
Options:
A. short term evolution
B. microevolution
C. pseudoevolution
D. relatedness
Answer: | B |
null | Question: What is it called when plants release water vapor through their leaves?
Options:
A. eutrophication
B. evaporation
C. photosynthesis
D. transpiration
Answer: | D |
null | Question: The kidney glomerulus filters blood mainly based on particle size to produce a filtrate lacking cells or large what?
Options:
A. proteins
B. steroids
C. carbohydrates
D. lipids
Answer: | A |
null | Question: If the temperature of a gas sample is decreased, what happens to the volume?
Options:
A. decreases
B. expands
C. increases
D. stays the same
Answer: | A |
null | Question: In the freshwater flatworms, protonephridia serve chiefly in what?
Options:
A. excretion
B. enculturation
C. thermoregulation
D. osmoregulation
Answer: | D |
null | Question: What do cells do in order to replace damaged or worn out cells?
Options:
A. divide
B. replicate
C. fold
D. die
Answer: | A |
null | Question: What are resources that don't run out?
Options:
A. residual resources
B. general resources
C. orbital resources
D. renewable resources
Answer: | D |
null | Question: What vessels supply blood to the myocardium and other components of the heart?
Options:
A. surface arteries
B. specialized arteries
C. rapid arteries
D. coronary arteries
Answer: | D |
null | Question: What branch of science is the study of the solid earth?
Options:
A. geology
B. biology
C. palentology
D. ecology
Answer: | A |
null | Question: Plants are described by what term, meaning their cells have a nucleus and membrane-bound organelles?
Options:
A. walled
B. complex
C. prokaryotic
D. eukaryotic
Answer: | D |
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