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stringlengths 78
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|---|---|---|
null | Question: What are used to balance chemical equations?
Options:
A. densities
B. coefficients
C. fractions
D. velocities
Answer: | B |
null | Question: In which organs does gas exchange take place between blood and air?
Options:
A. esophagus and larynx
B. kidneys
C. liver and spleen
D. lungs
Answer: | D |
null | Question: Protists which use their tails to eat are called what?
Options:
A. flagellators
B. cycle - feeders
C. filter-feeders
D. swimmers
Answer: | C |
null | Question: Conducting wires have a small degree of what?
Options:
A. magnetism
B. heat
C. electrical resistance
D. insulation
Answer: | C |
null | Question: What organisms use cilia, pseudopods, or flagella to move?
Options:
A. arthropods
B. protists
C. bacteria
D. prokaryotes
Answer: | B |
null | Question: What are the only invertebrates that can fly?
Options:
A. birds
B. insects
C. mammels
D. amphibians
Answer: | B |
null | Question: What is the common term for the chemical formula h 2 0?
Options:
A. oxygen
B. water
C. air
D. hydrogen
Answer: | B |
null | Question: What is the term for the energy of motion, which is exhibited by the speed of an object?
Options:
A. kinetic energy
B. mechanical energy
C. inertia
D. residual energy
Answer: | A |
null | Question: What kind of surface temperature is found on venus?
Options:
A. a little hot
B. cold
C. cool
D. extremely high
Answer: | D |
null | Question: Is sweat an exocrine or endocrine substance?
Options:
A. neither
B. exocrine
C. exocrine
D. both
Answer: | B |
null | Question: What type of cartilage contains no collagen?
Options:
A. fetal cartilage
B. shark cartilage
C. joint cartilage
D. lamprey cartilage
Answer: | D |
null | Question: Most reptiles reproduce sexually and have what type of fertilization?
Options:
A. internal
B. mechanical
C. additional
D. external
Answer: | A |
null | Question: What term is used to describe the organism that is invaded and often harmed by a pathogen?
Options:
A. guardian
B. initial
C. parent
D. host
Answer: | D |
null | Question: What is the purpose of your body's first line of defense?
Options:
A. fight or flight
B. to keep out pathogens
C. reject foreign bodies
D. heal wounds
Answer: | B |
null | Question: Which layer of soil experiences the most weathering?
Options:
A. subsoil
B. top layer
C. humus
D. bedrock
Answer: | B |
null | Question: What is the division of the body into multiple parts called?
Options:
A. segmentation
B. organ-level organization
C. compression
D. transverse
Answer: | A |
null | Question: According to the first law of thermodynamics, what can neither be created nor destroyed?
Options:
A. food
B. light
C. energy
D. fuel
Answer: | C |
null | Question: Instruments that measure the angle of the slope of a volcano are called what?
Options:
A. tilt meters
B. aberration meters
C. velocity meters
D. angle meters
Answer: | A |
null | Question: Amino acids contain both a carboxylic acid group and what other group?
Options:
A. fatty
B. compounds
C. lipid
D. amine
Answer: | D |
null | Question: What cellular structure moves molecules between locations inside the cell?
Options:
A. capillaries
B. dna vesicles
C. transport vesicles
D. transport vessels
Answer: | C |
null | Question: The primary site of carbohydrate digestion is in the?
Options:
A. small intestine
B. mouth
C. stomach
D. large intestine
Answer: | A |
null | Question: What is needed to create muscles, regulate chemical reactions, and transport oxygen?
Options:
A. cytoplasm
B. enzymes
C. lipids
D. proteins
Answer: | D |
null | Question: Water and carbon dioxide molecules are reactants in what plant process?
Options:
A. glycolysis
B. photosynthesis
C. digestion
D. breathing
Answer: | B |
null | Question: What do we call the diffusion of water across a membrane because of a difference in concentration?
Options:
A. hemostasis
B. electrolysis
C. osmosis
D. cell transportation
Answer: | C |
null | Question: What occurs when the cartilage at the ends of the bones breaks down?
Options:
A. rheumatism
B. stress fracture
C. osteoarthritis
D. osteoporosis
Answer: | C |
null | Question: What is the term for proportion of amount of product actually produced in a chemical reaction versus predicted amount ?
Options:
A. decrease yield
B. calculus yield
C. percent yield
D. percent impact
Answer: | C |
null | Question: What organ participates in all digestive activities except ingestion and defecation?
Options:
A. large intestine
B. stomach
C. small intestine
D. tongue
Answer: | B |
null | Question: What do you call the relationship in which members of one species consume members of another species?
Options:
A. exploitation
B. competition
C. parasitism
D. predation
Answer: | D |
null | Question: In prokaryotes, what are the regions called that repressors bind to?
Options:
A. consumers
B. operators
C. enablers
D. elements
Answer: | B |
null | Question: What structure is found at the top of the head of the sperm that helps it penetrate and fertilize the egg?
Options:
A. centriole
B. axial filament
C. terminal disc
D. acrosome
Answer: | D |
null | Question: The seasonal movements of animals from one area to another is referred to as?
Options:
A. hybernation
B. echolocation
C. migration
D. mitigation
Answer: | C |
null | Question: What kind of diseases can be difficult to treat because they live inside the host's cells, making it hard to destroy them without killing host cells?
Options:
A. nucleus diseases
B. cancerous diseases
C. viral diseases
D. superfluous diseases
Answer: | C |
null | Question: Which type of diabetes is more common?
Options:
A. type 2
B. type 1
C. gestational diabetes
D. juvenile diabetes
Answer: | A |
null | Question: What is required to break bonds in reactants?
Options:
A. protein
B. food
C. gas
D. energy
Answer: | D |
null | Question: What are genes that are close together on the same chromosome called?
Options:
A. stored genes
B. infected genes
C. linked genes
D. mutated genes
Answer: | C |
null | Question: The prevalence of cervical cancer in the united states is very low because of regular screening exams called what?
Options:
A. pap smears
B. prostates exams
C. Stavros smears
D. mammograms
Answer: | A |
null | Question: Most of the fresh water on earth is tied up in a solid form. what are they called?
Options:
A. oceans
B. sediments
C. glaciers
D. lakes
Answer: | C |
null | Question: What weather phenomenon can raise sea level as much as 25 feet when low pressure pulls water upward?
Options:
A. cloud formation
B. earthquake surge
C. storm rise
D. storm surge
Answer: | D |
null | Question: The process by which leaves collect sunlight and make food is called this?
Options:
A. photosynthesis
B. budding
C. pollination
D. glycolysis
Answer: | A |
null | Question: What property allows cut logs to float on water?
Options:
A. density
B. precipitation
C. polarity
D. heat
Answer: | A |
null | Question: What three forms does frozen precipitation take?
Options:
A. blizzard, frost, fog
B. snow, sleet, freezing rain
C. vapor, fog, ice
D. hail, wind, typhoon
Answer: | B |
null | Question: Cells selective for different odorants are interspersed in what anatomical cavity?
Options:
A. mucus
B. nasal
C. facial
D. abdominal
Answer: | B |
null | Question: The combustion of propane gas produces carbon dioxide and what else?
Options:
A. carbon monoxide
B. methane
C. phosphorous
D. water vapor
Answer: | D |
null | Question: Where does the nucleus store chromatin ?
Options:
A. chloroplasts
B. nucleoplasm
C. xerophyte
D. ribosome
Answer: | B |
null | Question: An isometric type of what occurs as the muscle produces tension without changing the angle of a skeletal joint?
Options:
A. extension
B. contraction
C. acceleration
D. compression
Answer: | B |
null | Question: Sickle-cell anemia, leukemia, lymphoma, and hemophilia are examples of what types of disease?
Options:
A. Cancer
B. Bone Diease
C. blood disease
D. microscopic disease
Answer: | C |
null | Question: In vertebrates, cholesterol is synthesized in which organ and obtained from the diet?
Options:
A. the bone
B. heart
C. the brain
D. the liver
Answer: | D |
null | Question: What mammalian feature serves functions such as filtration and keeping the body warm?
Options:
A. sweat
B. shivering
C. sensory organs
D. hair
Answer: | D |
null | Question: What are jellyfish and other cnidarian's stingers called?
Options:
A. prokaryotes
B. necrocytes
C. phenocrysts
D. nematocysts
Answer: | D |
null | Question: What is the amount of moisture in the atmosphere?
Options:
A. humidity
B. heat
C. static
D. mixture
Answer: | A |
null | Question: Types of radiation that cause cancer include ultraviolet (uv) radiation and what?
Options:
A. thermal
B. molecular
C. radon
D. vibrational
Answer: | C |
null | Question: Humans typically have how many pairs of chromosomes?
Options:
A. 25 pairs
B. 14 pairs
C. 23 pairs
D. 17 pairs
Answer: | C |
null | Question: In what type of climate might one find deciduous trees?
Options:
A. thick continental
B. moist continental
C. Dry Continental
D. humid continental
Answer: | D |
null | Question: What are chemical bonds between atoms of nonmetals that share valence electrons called?
Options:
A. gravitational bonds
B. electron bonds
C. ionic bonds
D. covalent bonds
Answer: | D |
null | Question: Blood calcium levels are tightly regulated by the what system?
Options:
A. endocrine
B. digestive
C. nervous
D. cardiovascular
Answer: | A |
null | Question: What are the two types of vascular plants?
Options:
A. ants and seed
B. Water and spore
C. seedless and seed
D. dahlias and seed
Answer: | C |
null | Question: A tropism where light is the stimulus is known as what?
Options:
A. Atropism
B. phototropism
C. Thermotropism
D. Geotropism
Answer: | B |
null | Question: Not even light can escape from what extremely dense object sometimes found in deep space?
Options:
A. star holes
B. large holes
C. black holes
D. light holes
Answer: | C |
null | Question: In the periodic table, elements are arranged from left to right according to what property?
Options:
A. metallic mass
B. atomic mass
C. major mass
D. real mass
Answer: | B |
null | Question: Which part of a neuron contains the nucleus and most of the major organelles?
Options:
A. retinal body
B. organ body
C. simple body
D. cell body
Answer: | D |
null | Question: What causes oxides to decompose?
Options:
A. acidity
B. heat
C. humidity
D. precipitation
Answer: | B |
null | Question: Dense connective tissue contains more collagen fibers than does loose connective tissue. as a consequence, it displays greater resistance to what?
Options:
A. freezing
B. contracting
C. stretching
D. stiffening
Answer: | C |
null | Question: What do we call the theory of electromagnetism on the particle scale?
Options:
A. light electrodynamics
B. gravity electrodynamics
C. quantum electrodynamics
D. iron electrodynamics
Answer: | C |
null | Question: What purpose does the appendix serve in humans today?
Options:
A. work
B. digests food
C. filters blood
D. none
Answer: | D |
null | Question: Deterioration of limestone occurs more rapidly as the concentration of what increases?
Options:
A. water pollutants
B. ground pollutants
C. ocean pollutants
D. air pollutants
Answer: | D |
null | Question: What protein is hair mostly made of?
Options:
A. coronin
B. keratin
C. Dystrophin
D. Actin
Answer: | B |
null | Question: What muscle is imperative to breathing in helping the air move in and out of the lungs?
Options:
A. spleen
B. uterus
C. kidneys
D. diaphragm
Answer: | D |
null | Question: What is citrate an ionized form of?
Options:
A. carbonic acid
B. protein
C. hydrochloric acid
D. citric acid
Answer: | D |
null | Question: Which process acts as a natural complement for cellular respiration?
Options:
A. atherosclerosis
B. absorption
C. photosynthesis
D. glycolysis
Answer: | C |
null | Question: Muscle groups are controlled by what mechanism?
Options:
A. activation energy
B. growth hormones
C. motor cortex
D. cerebral cortex
Answer: | C |
null | Question: What is the reproductive part of the plant?
Options:
A. the stem
B. the flower
C. the leaf
D. the core
Answer: | B |
null | Question: Restoring nitrogen to the soil is one reason for what agricultural practice?
Options:
A. irrigation
B. sowing
C. plowing
D. crop rotation
Answer: | D |
null | Question: What are the the individual protein subunits making up the capsid called?
Options:
A. axons
B. pores
C. telomeres
D. capsomeres
Answer: | D |
null | Question: Chemists use simple diagrams to show an atom’s valence electrons and how they do what?
Options:
A. react
B. bond
C. escape
D. transfer
Answer: | D |
null | Question: What type of boiling point do nonmetals normally have?
Options:
A. low
B. even
C. high
D. odd
Answer: | A |
null | Question: Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what?
Options:
A. atoms to neutrons
B. protons to neutrons
C. electrons to neutrons
D. nucleus to neutrons
Answer: | B |
null | Question: Paracrine signals move by what method through the extracellular matrix?
Options:
A. deposition
B. transfusion
C. diffusion
D. osmosis
Answer: | C |
null | Question: Hemolymph bathes organs directly in arthropods and most molluscs, due to an open type of what system?
Options:
A. circulatory
B. nervous
C. reproductive
D. pulmonary
Answer: | A |
null | Question: All members of a species living together form a what?
Options:
A. population
B. family
C. group
D. organization
Answer: | A |
null | Question: What is the only class of animals that has hair?
Options:
A. reptiles
B. mammals
C. amphibians
D. birds
Answer: | B |
null | Question: Which organ will bladder infections commonly damage if untreated?
Options:
A. kidney
B. lungs
C. heart
D. tissue
Answer: | A |
null | Question: What type of muscle enables the body to move?
Options:
A. Sartorius
B. Latissimus Dorsi
C. gluteus maximus
D. skeletal muscle
Answer: | D |
null | Question: Different elements differ in the size, mass, and other properties of what fundamental structures?
Options:
A. ions
B. atoms
C. compounds
D. particles
Answer: | B |
null | Question: What does unequal heating of the atmosphere cause?
Options:
A. weather
B. flares
C. water
D. humidity
Answer: | A |
null | Question: Because several genes, each with more than one allele, contribute to determining height in humans, height is considered what kind of trait?
Options:
A. polygenic
B. epigenetic
C. adaptive
D. maladaptive
Answer: | A |
null | Question: What might eventually happen to a species if it is unable to reproduce?
Options:
A. extinction
B. natural selection
C. migration
D. adaptation
Answer: | A |
null | Question: Hydrochloric acid is formed when hcl is dissolved into what?
Options:
A. blood
B. sodium
C. water
D. plasma
Answer: | C |
null | Question: In eukaryotes, mrna may be modified before leaving what?
Options:
A. epidermis
B. mitochondria
C. nucleus
D. ribosome
Answer: | C |
null | Question: Why have rivers in arid regions been reduced to trickles?
Options:
A. diversion of water
B. emigration
C. global warming
D. rainforest destruction
Answer: | A |
null | Question: The lens focuses light on the retina , which covers the back of the inside of the eye. the retina has light-sensing photoreceptor cells called?
Options:
A. holes and cones
B. tubes and rods
C. rods and cones
D. cones and tubes
Answer: | C |
null | Question: Autoimmunity can develop with time, and its causes may be rooted in this?
Options:
A. inheritance
B. resistance
C. spontaneous mutation
D. molecular mimicry
Answer: | D |
null | Question: The pollen tube discharges two sperm into the female gametophyte after what occurs?
Options:
A. excrement
B. evolution
C. hibernation
D. pollination
Answer: | D |
null | Question: What is the clear, protective covering on the outside of the eye?
Options:
A. iris
B. retina
C. cornea
D. vitreous fluid
Answer: | C |
null | Question: At least 20 percent of the world’s people do not have a ready supply of what?
Options:
A. clean drinking water
B. food
C. clothing
D. oil
Answer: | A |
null | Question: Like birds, most other reptiles excrete their nitrogenous wastes as what acid?
Options:
A. hydrochloric
B. sulphuric
C. uric
D. lactic
Answer: | C |
null | Question: Oncogenes are involved in the formation of what disease?
Options:
A. autoimmune disease
B. colds
C. heart disease
D. cancer
Answer: | D |
null | Question: Historically, certain bacteriophages have also been used as cloning vectors for making what?
Options:
A. diverse libraries
B. genomic libraries
C. ultraviolet libraries
D. specific libraries
Answer: | B |
null | Question: What is often the cause of phenotypic differences between identical twins?
Options:
A. genetics
B. environment
C. learned behavior
D. natural selection
Answer: | B |
null | Question: What is the term for the number that describes an electron's orbital orientation in space?
Options:
A. magnetic quantum number
B. relative quantum number
C. imaging quantum number
D. magnetic electron number
Answer: | A |
null | Question: What term means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited?
Options:
A. vitamin deficiency
B. pathogenic
C. immunodeficiency
D. anemia
Answer: | C |
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